...Barbour (1956:35) did sort 167 snakes into size classes, but did not determine sex ratio, size at sexual maturity, reproductive cycles, or snout-vent length... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The reproductive potential was estimated from these figures...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Structure and seasonal variation of the male reproductive organs in Vipera berus (L...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...This, again, is probably due to the position of the parasites and to the pressure they exert on the reproductive organs of the body in the larval state...
Edward Saunders 「Wild Bees, Wasps and Ants」
...7 mm) hairless juvenile; and, finally, one of six femalesnetted at Santa Rosa on 13 July was pregnant (embryo 23 mm), but theothers evinced no reproductive activity...
J. Knox Jones 「Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country」
...We postulate that these differencesevolved to support the reproductive isolation of the sympatric species...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The annual reproductive cycle of the California gull...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Capons have ever been esteemed among the greatest delicacies of thetable; and are made by the extirpation of the reproductive organs inmale fowls...
Robert Jennings 「Sheep, Swine, and Poultry」
...—The specimens here reported seem to be the first from the peninsula in which reproductive activity has been recorded...
Erwin E. Klaas 「Summer Birds From the Yucatan Peninsula」
...The three adults in the collection here reported on were in nearly full reproductive activity...
Erwin E. Klaas 「Summer Birds From the Yucatan Peninsula」
...Accessory glands: any glands opening into the ducts ofthe reproductive system...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Germ-ball: reproductive cells in larvae from which,exceptionally, young may develop as buds...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Neoteinic: applied to complemental females in Termitesbecause, though reproductive, they retain some juvenilecharacters...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Similarly the reproductive organs undergo a gradual, continuousdevelopment throughout an insect's life-story...
Geo. H. Carpenter 「The Life-Story of Insects」
...Extended observations on theprecocious reproductive processes of these midges have lately beenpublished by ...
Geo. H. Carpenter 「The Life-Story of Insects」
...Adult mice in reproductive condition were taken in each month from Maythrough August, although most of our information is for the months ofMay and June...
Kenneth W. Andersen 「Mammals of Northwestern South Dakota」
...Unfortunately, neither the reproductive tract collectedfrom No...
Thomas F. Weise 「An Experimental Translocation of the Eastern Timber Wolf」
...There, in BritishColumbia, reproductive isolation is not complete and occasionalpopulations of intergrades occur...
James S. Findley 「Speciation of the Wandering Shrew」
...maniculatus did not show reproductive activity...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
ランダム例文：
suffice studies despoil
便利！手書き漢字入力検索