...The character of the buffalo-domestic hybrid... 
William T. Hornaday 「The Extermination of the American Bison」
...This hybrid died when twenty monthsold, and is said to have been mild and gentle; its howl seems to havehad more of the bark in it than the cry of the hybrid jackal, andto have been more dog-like...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...This species and the spotted deer have interbred, andthe hybrid progeny survived...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...Five natural hybrid combinations in minnows (Cyprinidae)...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...It is believed to be a hybrid between the two...
Frank M. Chapman 「Color Key to North American Birds」
...There is a rich-coloured brown tabby hybrid to be seen at the ZoologicalSociety Gardens in Regent's Park, between the wild cat of Bengal and atabby she-cat...
Harrison Weir 「Our Cats and All About Them」
...Traherne Moggridge) that with hybrid Cisti the ovarium is frequently deformed, the ovules being in some cases quite absent, and in other cases incapable of fertilisation...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...We shall presently see that, with hybrid plants, two different embryos may be developed within the same seed and cohere; and it has been supposed that C...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...adami is a spontaneously produced hybrid between these two species is strongly supported by the fact that hybrids between these species and two others have spontaneously arisen...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...adami is not an ordinary hybrid...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...rubicunda is not a hybrid, but a natural species, the case is one of simple bud-variation...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The peculiar, monstrous condition of the ovules, and the apparently sound condition of the pollen, favour the belief that it is not an ordinary or seminal hybrid...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...These colts were partially dun-coloured, and were striped on the legs more plainly than the real hybrid, or even than the quagga...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...217, who speaks of the hybrid offspring of the jackal as perfectly fertile for three generations...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...154, it is said that a male hybrid (from Turtur vulgaris male, and the cream-coloured T...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...At the Zoological Gardens of London the Goura coronata and victoriæ produced a hybrid, which paired with the pure G...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...A coloured drawing is given of this hybrid...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The wild geese will mate withdomestic geese, producing a sterile hybrid called a mongrel goose...
John H. Robinson 「Our Domestic Birds」
...If Zenaidurayucatanensis Lawrence should prove to be really a distinctspecies, and not a hybrid ...
Robert L. Merz 「Jaw Musculature of the Mourning and White-winged Doves」
...vagrans has broken down (Rudd, 1953); the place is asalt marsh along San Pablo Bay, where a hybrid population betweenS...
James S. Findley 「Speciation of the Wandering Shrew」
...I obtained two hybrid fishes in my study-area...
W. L. Minckley 「Fishes of the Big Blue River Basin, Kansas」
...The hybrid fishes described herein are Chrosomus erythrogaster(Rafinesque) × Notropis cornutus frontalis (Agassiz), C...
Frank B. Cross 「Five Natural Hybrid Combinations in Minnows (Cyprinidae)」
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