...Preserved western cottonmouths were examined for the purpose of determining variation, distribution, food habits, body proportions, embryonic development, and reproductive cycles... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The reproductive cycle in cottonmouths resembles that illustrated by Rahn (op...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...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 cycle of the prairie rattler...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Two adult femalescaptured on 31 March were pregnant, each carrying a single embryo (13and 14 mm in crown-rump length), whereas two obtained on 14 Augustshowed no sign of reproductive activity...
J. Knox Jones 「Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country」
...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」
...In order to determine the reproductive potential of the six species, ovulatedeggs were removed from females and counted...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The vesicle which acts as heart and stomach serves also asthe reproductive cavity, but how or by what means it is fecundatedwould be difficult to determine...
Ambrose Blacklock 「A Treatise on Sheep:」
...—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」
...No young Cave Swallows were taken and gonads of adults were in various stages of reproductive activity...
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」
...Our specimens showed various stages of reproductive activity when taken on July 10...
Erwin E. Klaas 「Summer Birds From the Yucatan Peninsula」
...Neoteinic: applied to complemental females in Termitesbecause, though reproductive, they retain some juvenilecharacters...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Ovivalvule: in Ephemeroptera; is an appendage of thefemale reproductive organs...
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」
...10, whose reproductive tractappeared immature...
Thomas F. Weise 「An Experimental Translocation of the Eastern Timber Wolf」
...Upon theestablishment of this contact reproductive continuity was resumed,probably because the temporal separation of the two stocks involvedwas not so great as, say, that between S...
James S. Findley 「Speciation of the Wandering Shrew」
...So far as I know, monticola is not in reproductive continuity with anyother subspecies of Sorex vagrans...
James S. Findley 「Speciation of the Wandering Shrew」
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