...Mating is probably most concentrated in early spring at about the time when females ovulate, but copulation is not a stimulus for ovulation...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...To confirm the presumed sexes of the two individuals under observation,both were collected while in copulation...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Fertilization: takes place when a spermatozoönenters through the micropyle of an ovum and unites with the cellnucleus: loosely applied like copulation or to itscompletion...
John. B. Smith 「Explanation of Terms Used in Entomology」
...But why has nature prohibited copulation within the hives? This is asecret still unknown to us...
Francis Huber Anonymous 「New observations on the natural history of bees」
...The queen bee is not impregnated ofherself, but is fecundated by copulation with the male...
Francis Huber Anonymous 「New observations on the natural history of bees」
...To our infinitesurprise, what we had supposed the residue of the prolific fluid,actually proved the genital organs of the male, which separate from hisbody during copulation, and remain in the female...
Francis Huber Anonymous 「New observations on the natural history of bees」
...This canaltherefore can extend during copulation, and allow the lenticularsubstance to protrude out of the body of the males...
Francis Huber Anonymous 「New observations on the natural history of bees」
...close to the lentil,and at the same place where it breaks in copulation...
Francis Huber Anonymous 「New observations on the natural history of bees」
...We then confined her, and the eggs she afterwards laidproved that the second copulation had been more successful than thefirst and that there are some males more fit for impregnating queensthan others...
Francis Huber Anonymous 「New observations on the natural history of bees」
...The female seemed to be searching for a nest site when copulation occurred...
Glen E. Woolfenden 「Comparative Breeding Behavior of Ammospiza caudacuta and A. maritima」
...Kangaroo rats are among those rodents in which the vagina becomesplugged with a rather solid material, translucent, and of theconsistency of a stiff gelatine, after copulation...
Charles T. Vorhies and Walter P. Taylor 「Life History of the Kangaroo Rat」
...'Magdalene de la Croix, Abbesse des Moniales deCordoüe en Espaigne, confessa que Satan n'eust point copulation, nycognoissance d'elle, qu'elle n'eust douze ans...
Margaret Alice Murray 「The Witch-cult in Western Europe」
...The copulation of two coalescing cells, which in these casesoften precedes the reproduction, cannot be regarded as a sexual act unless thetwo copulating plastids differ in size or structure...
Ernst Haeckel 「The Evolution of Man」
...For this copulation ofthe two sexual nuclei (Figs...
Ernst Haeckel 「The Evolution of Man」
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