...Interaction of antigens in dove hybrids... 
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
..." In Hungary, Jeitteles was assured on trustworthy authority that a wild male cat crossed with a female domestic cat, and that the hybrids long lived in a domesticated state...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Blyth that at Hansi hybrids between the common cat and F...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...At the Zoological Gardens, however, some hybrids of the same parentage were not quite so sterile: Mr...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...These hybrids were at one time thought to be specifically distinct, and were named G...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...The hybrids from some of the most distinct forms—for instance, from R...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... Naudin raised forty hybrids from Datura lævis fertilised by D...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...stramonium; and three of these hybrids produced many capsules, of which a half, or quarter, or lesser segment was smooth and of small size like the capsule of the pure D...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...With respect to the extraordinary tendency which this tree exhibits to complete or partial reversion, we have seen that undoubted seminal hybrids and mongrels are similarly liable...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...For the feral hybrids of the common and musk-ducks, see Audubon's 'American Ornithology,' and Selys-Longchamp's 'Hybrides dans la Famille des Anatides...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...At Paris, hybrids have been raised (Isid...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... I have examined the feathers of some hybrids raised in the Zoological Gardens between the male G...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... These hybrids have been described by M...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Among other domestic birds hybrids are almostunknown...
John H. Robinson 「Our Domestic Birds」
...Common residentthroughout state, but partly replaced in west by Red-shafted Flickerand hybrids between the two species...
Harrison B Tordoff 「Check-list of the Birds of Kansas」
...Streams from which we report hybrids probably were affectedby overgrazing of their watersheds; overgrazing was unusuallysevere in the drought...
Frank B. Cross 「Five Natural Hybrid Combinations in Minnows (Cyprinidae)」
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