...Thus,it is obvious that studies based on other features are necessary inorder to attain a better understanding of the relationships of thebirds involved... 
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...The application of serological techniques to the problems ofanimal relationships has been attempted with varying degrees ofsuccess over a period of approximately fifty years...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...Few of theearlier studies were of a quantitative nature, but within the pastdecade, satisfactory quantitative serological techniques have beendeveloped whereby taxonomic relationships may be estimated...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
... Serological relationships of Poephila and Richmondena with the carduelines...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...Specifically, the relationships of the subfamiliesRichmondeninae, Emberizinae, and Carduelinae of theFamily Fringillidae are poorly understood...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...Utilizing the values for the precipitin testsa model was constructed which showed the relationships of theeleven species used in these tests...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...
Upon consideration of all evidence now available—from externalmorphology, ethology, myology, osteology, and serology—severalhypotheses regarding the relationships of the groups studied are setforth...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
... Graphs of precipitin reactions illustrating serological relationships...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
... Serological relationships of Richmondena and Spinus with the estrildines...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...Whatever their ultimate relationships may prove to be, twodistinctive taxa seem to be present in Nicaragua; the larger isassignable to ater and the smaller to pretiosus, ascurrently understood...
J. Knox Jones 「Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country」
...Faunal relationships and geographic distribution of mammals inOklahoma...
E. Raymond Hall 「A Synopsis of the North American Lagomorpha」
...Faunal relationships and geographic distribution of mammals inSonora, Mexico...
E. Raymond Hall 「A Synopsis of the North American Lagomorpha」
...In attempting to understand the relationships of the species of Smilisca wehave emphasized osteological characters...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Birds of the 1908 AlexanderAlaska Expedition, with a note on the Avifaunal Relationships of the PrinceWilliam Sound District, Univ...
Frank M. Chapman 「Color Key to North American Birds」
...The relationships of the various kinds ofpheasants are not positively known...
John H. Robinson 「Our Domestic Birds」
...In any event, genetic relationships are evident in the configurationof breeding seasons of many species here treated...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Althoughgonadal response and seasonal restriction of breeding are set bythe photoperiod, specific temporal relationships are dictated by moreimmediate environmental variables...
Richard F. Johnston 「The Breeding Birds of Kansas」
...Specimens from the western foot-hills of the Rocky Mountainsshow an amazing series of relationships with the montane S...
James S. Findley 「Speciation of the Wandering Shrew」
...However, during a winter with extremely deepsnow, the usual relationships seem to changesomewhat...
L. David Mech 「Ecological Studies of the Timber Wolf in Northeastern Minnesota」
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