...Here he introducedthe Zulu military system and terrorized the peaceful andindustrious Bechuana populations... 
W.E.B. Du Bois 「The Negro」
...A mixture of the various African populations, Bantu, Sudanese,west-coast Negroes, some dwarfs, and some traces of Arab, Berber,and Semitic blood...
W.E.B. Du Bois 「The Negro」
...Isolated populations occur in the Chisos and Davis mountains of Trans-Pecos Texas...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Because of its diurnal habits and the concentration ofits populations along watercourses, it is not likely to be overlooked...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...Records are lacking from the drainages of the Republican, NorthCanadian, Brazos and Colorado River drainages in the High Plains,but possibly isolated populations occur in some of these also...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...Like most widely ranging subspecies, parietalis and fitchi varygeographically and local populations often are noticeably differentfrom typical material...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...In southern Tamaulipas and eastern San Luis Potosí,these characters vary discordantly, thereby strongly suggesting that thetwo populations intergrade...
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...The two populations weredistinguished on the basis of color pattern and the size of thetympanum...
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...Until contrary evidence isforthcoming, I consider the disjunct populations heretofore held to besubspecies of modestus to be specifically distinct...
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...The fact that pocket gophers from the Tamaulipan barrier islandoccupy a position geographically intermediate between presentTexan populations and the isolated population in southern Tamaulipas(G...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Many times it has been said thatthe populations of wild animals were declining in México because thenumber of game wardens is too small to protect game in all parts of thecountry...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
...Predation upon grasshoppers, especially in summer and early autumn,benefits the farmer by helping to stabilize populations of grasshoppers...
Dwight Platt 「Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas」
...excubitorides Grinnell occurs inwestern Kansas, east to about the 100th meridian; populations ofintermediate character occupy central Kansas...
Richard F. Johnston 「The Breeding Birds of Kansas」
...A later work by Rand(1943) considered the northwestern populations of M...
Rollin H. Baker 「Mammals taken Along the Alaska Highway」
...During the winter there is some interchange of populations betweenBanks and Victoria islands across the frozen Prince of Wales Strait(Armstrong, 1857: 297, 336)...
Francis Harper 「The Barren Ground Caribou of Keewatin」
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