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The art of falconry : being the de arte venandi cum avibus of Frederick II of Hohenstaufen
(added: 11/19/2023 )
Asbestos and salamander : an essay in Chinese and Hellenistic folk-lore
(added: 11/19/2023 )
Zellen- und gewebelehre, morphologie und entwicklungsgeschichte v.1
(added: 11/19/2023 )
Tree-wound dressings
(added: 11/19/2023 )
Biennial report of the State Board of Fish Commissioners no.12 (1897)
(added: 11/19/2023 )
Ostwalds Klassiker der exakten Wissenschaften v.209 (1923)
(added: 11/19/2023 )
County report v.10:PLATES(1963)
(added: 11/19/2023 )
Farm forestry extension : extension subject-matter seminar conference, March 5, 1946
(added: 11/19/2023 )
Some common Colorado wild flowers
(added: 11/19/2023 )
Comptes-rendus des séances de la Société entomologique de Belgique 1879 (Incompl.)
(added: 11/19/2023 )
A comprehensive scheme for describing apomorphine-induced behavior in rats
(added: 11/19/2023 )
Biennial report of the State Board of Fish Commissioners no.6 (1885)
(added: 11/19/2023 )
News-letter of the Office of Cereal and Forage Insect Investigations v.1-2:2 1913-14
(added: 11/19/2023 )
A history of British butterflies
(added: 11/19/2023 )
Proceedings of the National Science Club, Washington, D.C 1897
(added: 11/19/2023 )
Beschrijvinghe van West-Indien
(added: 11/19/2023 )
County report v.8:PLATES(1963)
(added: 11/19/2023 )
Illustrations of British birds
(added: 11/19/2023 )
Illustrations of British birds
(added: 11/19/2023 )
Nuove relazioni intorno ai lavori no.5 1903
(added: 11/19/2023 )
The new botanist's guide to the localities of the rarer plants of Britain ; on the plan of Turner and Dillwyn's Botanist's guide Copy 1, Vol. 2
(added: 11/19/2023 )
Zellen- und gewebelehre, morphologie und entwicklungsgeschichte v.2
(added: 11/19/2023 )
Suggestions for extension workers in boll weevil control
(added: 11/19/2023 )
Tree-wound dressings
(added: 11/19/2023 )
Illustrations of British birds
(added: 11/19/2023 )
Illustrations of British birds
(added: 11/19/2023 )
Karyotypes and evolution of the spinosus group of lizards in the genus Sceloporus no. 2431
(added: 11/19/2023 )
Systematics and evolution in Diglossa (Aves, Coerebidae) no. 2381
(added: 11/19/2023 )
Infraorbital bones and their bearing on the phylogeny and geography of osteoglossomorph fishes no. 2394
(added: 11/19/2023 )
North American spiders of the genus Bathyphantes (Araneae, Linyphiidae) no. 2364
(added: 11/19/2023 )
Catalogo con la terapia lista de precios de los productos de The Izamal Chemical Co 1908
(added: 11/19/2023 )
The Hapalodectinae and a phylogeny of the Mesonychidae (Mammalia, Condylarthra) no. 2361
(added: 11/19/2023 )
The caudal skeleton of the catfishes, order Siluriformes no. 2398
(added: 11/19/2023 )
A saurischian dinosaur from the Triassic of Brazil no. 2405
(added: 11/19/2023 )
Biology and immature stages of Moroccan panurgine bees (Hymenoptera, Apoidea) no. 2457
(added: 11/19/2023 )
Palestine Exploration Fund : quarterly statement 1900
(added: 11/19/2023 )
Notes on the habits of some Argentine and Peruvian woodpeckers (Aves, Picidae) no. 2413
(added: 11/19/2023 )
Deciduous dentition of the early Tertiary Phenacodontidae (Condylarthra, Mammalia) no. 2461
(added: 11/19/2023 )
The ecological geography of cloud forest in Panama no. 2396
(added: 11/19/2023 )
Identity of the type-specimens of Sciurus aureogaster F. Cuvier and Sciurus nigrescens Bennett (Mammalia, Sciuridae) no. 2438
(added: 11/19/2023 )
A generic review of the stenomyline camels no. 2353
(added: 11/19/2023 )
Changing preference for substrate color by reproductively active mosquitofish, Gambusia affinis (Baird and Girard) (Poeciliidae, Atheriniformes) no. 2397
(added: 11/19/2023 )
The small Cretaceous dinosaur Dromaeosaurus no. 2380
(added: 11/19/2023 )
Results of the Archbold Expeditions No. 93 Reidentification and reallocation of Mus callitrichus and allocations of Rattus maculipilis, R.m. jentinki, and R. microbullatus (Rodentia, Muridae) no. 2440
(added: 11/19/2023 )
Additional Middle Eocene (Bridgerian) mammals from Tabernacle Butte, Sublette County, Wyoming no. 2404
(added: 11/19/2023 )
Weevils of the tribe Sipalini (Coleoptera, Curculionidae, Rhynchophorinae) Part 1 The genera Rhinostomus and Yuccaborus no. 2419
(added: 11/19/2023 )
Weevils of the tribe Sipalini (Coleoptera, Curculionidae, Rhynchophorinae) Part 3 The genus Sipalinus no. 2463
(added: 11/19/2023 )
Pharyngeal denticles (placoid scales) of sharks, with notes on the dermal skeleton of vertebrates no. 2415
(added: 11/19/2023 )
New species of Thalamoporella (Ectoprocta) from Hawaii, examined by scanning electron microscopy no. 2417
(added: 11/19/2023 )
Spears and spear-throwers of the Western Desert aborigines of Australia no. 2403
(added: 11/19/2023 )
Mohave and Washo role behavior no. 2330
(added: 11/19/2023 )
The Academy newsletter no.593 (1989:Oct.)
(added: 11/19/2023 )
The Academy newsletter no.592 (1989:Sep.)
(added: 11/19/2023 )
The Academy newsletter no.590 (1989:Jun.)
(added: 11/19/2023 )
On some species of Gnathostomulida from Bimini, Bahamas no. 2356
(added: 11/19/2023 )
The Academy newsletter (1979:Apr.)
(added: 11/19/2023 )
The Academy newsletter (1989:Jan.)
(added: 11/19/2023 )
Opisthobranchian and lamellarian gastropods collected by the "Vema" no. 2368
(added: 11/19/2023 )
A revision of the Tertiary fossil species of the Kalotermitidae (Isoptera) no. 2359
(added: 11/19/2023 )
The Academy newsletter (1989:Nov.)
(added: 11/19/2023 )
The Academy newsletter (1989:Nov.)
(added: 11/19/2023 )
The Academy newsletter (1989:Sep.)
(added: 11/19/2023 )
The Academy newsletter (1990:Mar.)
(added: 11/19/2023 )
The Academy newsletter (1989:Jul.-Aug.)
(added: 11/19/2023 )
The Academy newsletter (1989:Oct.)
(added: 11/19/2023 )
The Academy newsletter (1977:Sep.)
(added: 11/19/2023 )
Results of the Archbold Expeditions No. 90 Notes on the echidnas (Mammalia, Tachyglossidae) of New Guinea no. 2383
(added: 11/19/2023 )
Snakes of the genus Coniophanes in Panama no. 2372
(added: 11/19/2023 )
The Academy newsletter (1950:Aug.-Sep.)
(added: 11/19/2023 )
The Academy newsletter no.589 (1989:May)
(added: 11/19/2023 )
Notes on birds from the Tamrau Mountains, New Guinea no. 2420
(added: 11/19/2023 )
The Academy newsletter no.594 (1989:Nov.)
(added: 11/19/2023 )
Notes on the biology of Chapman's swift Chaetura chapmani (Aves, Apodidae) no. 2320
(added: 11/19/2023 )
A check list of the New World venomous coral snakes (Elapidae), with descriptions of new forms no. 2287
(added: 11/19/2023 )
Weevils of the tribe Sipalini (Coleoptera, Curculionidae, Rhynchophorinae) Part 2 The genera Mesocordylus and Orthognathus no. 2441
(added: 11/19/2023 )
Karyotypes of the five monotypic species groups of lizards in the genus Sceloporus no. 2450
(added: 11/19/2023 )
Contributions of the American Entomological Institute v.3 (1968)
(added: 11/19/2023 )
The genus Conepatus (Mammalia, Mustelidae) : variation within a population no. 2322
(added: 11/19/2023 )
The genus Proterix (Insectivora, Erinaceidae) of the Upper Oligocene of North America no. 2315
(added: 11/19/2023 )
The Academy newsletter (1989:Sep.)
(added: 11/19/2023 )
The Academy newsletter no.587 (1989:Mar.)
(added: 11/19/2023 )
Mechanics of one- and two-joint muscles no. 2319
(added: 11/19/2023 )
Paleocene amphibians from Cernay, France no. 2295
(added: 11/19/2023 )
Pleistocene edentates of the West Indies no. 2304
(added: 11/19/2023 )
Speciation in Colombian forest birds west of the Andes no. 2294
(added: 11/19/2023 )
The composition of the Belly River, Bluff, BremervoМ€rde, and Modoc meteorites no. 2280
(added: 11/19/2023 )
Florula Belgica, operis majoris prodromus, auctore B.C. Dumortier. Staminacia
(added: 11/19/2023 )
Status of Simidectes (Insectivora, Pantolestoidea) of the late Eocene of North America no. 2455
(added: 11/19/2023 )
The scorpions of the Vejovis boreus group (subgenus Paruroctonus) in North America (Scorpionida, Vejovidae) no. 2278
(added: 11/19/2023 )
Systematics and evolution of the Gruiformes (class, Aves) 1, The Eocene family Geranoididae and the early history of the Gruiformes no. 2388
(added: 11/19/2023 )
A review of the Bathornithidae (Aves, Gruiformes), with remarks on the relationships of the suborder Cariamae no. 2326
(added: 11/19/2023 )
The genus Dryptocephala Laporte (Heteroptera, Pentatomidae, Discocephalinae) no. 2256
(added: 11/19/2023 )
Biology, immature stages, and phylogenetic relationships of fideliine bees, with the description of a new species of Neofidelia (Hymenoptera, Apoidea) no. 2427
(added: 11/19/2023 )
The Cretaceous teleostean fish Cimolichthys from the Niobrara Formation of Kansas and the Pierre Shale of Wyoming no. 2434
(added: 11/19/2023 )
The Academy newsletter (1989:Dec.)
(added: 11/19/2023 )
Review of the biology of panurgine bees, with observations on North American forms (Hymenoptera, Apoidea) no. 2297
(added: 11/19/2023 )
The composition of the Barrata, Carraweena, Kapoeta, Mooresfort, and Ngawi meteorites no. 2273
(added: 11/19/2023 )
Belonion, a new genus of fresh-water needlefishes from South America no. 2274
(added: 11/19/2023 )
The spider family Uloboridae in North America north of Mexico no. 2196
(added: 11/19/2023 )
A new fish of the genus Xiphophorus from Guatemala, with remarks on the taxonomy of endemic forms no. 2379
(added: 11/19/2023 )