...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」
...Most specimens of a population of sirtalis occurring in New Mexicoare recognizably different from most specimens of other populations...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...However, by far the most logical divisionis the Continental Divide; south of the Teton Range it constitutesa broad barrier separating eastern and western populations...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...auritus to Middle American populations...
J. Knox Jones 「Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country」
...baudini and sordida wasthe result of genetic changes in geographically isolated populations...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...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」
...Contact betweenthe latter two populations was probably fairly regular beforeman's stabilization of the channel of the lowermost reaches of theRio Grande...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...sennetti; the resemblanceof the two insular populations would thus be a matter ofconvergence in response to like environmental conditions...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Major results of this include isolation of certain populations and absence of others in the boreal islands...
Emil K. Urban 「Birds from Coahuila, Mexico」
...The aridity of western Coahuila restricts, to a large extent, the diversity of the breeding populations of its avifauna...
Emil K. Urban 「Birds from Coahuila, Mexico」
...At the present time it is possible to say only thatteteris present in Coahuila in migrant and wintering populations, but the extent to whichteterremains in northeastern México is undetermined...
Emil K. Urban 「Birds from Coahuila, Mexico」
...interfusa Dwight andGriscom breeds in the west, west of stationsin Cloud, Stafford, and Clark counties; a broad zone of intergradationexists between the two named populations...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Incineration has been practiced successfullyby a number of towns and cities with populations of from10,000 to 15,000 and over...
L. O. Howard and F. C. Bishopp 「The House Fly and How to Suppress It」
..."The nearest populations now are far to the north, and this jumping mouseoccupies only restricted habitats in northwestern South Dakota andadjacent regions...
Kenneth W. Andersen 「Mammals of Northwestern South Dakota」
...Subsequent dryingaltered substantially the distribution and perhaps composition ofriparian forests, and isolated populations of P...
Kenneth W. Andersen 「Mammals of Northwestern South Dakota」
...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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