Journal of experimental zoology . ^ F2 cf cf showing range of variation. c? showing very slight variation in mallard direction. Xo 694ype of lo generation, Xo ?>>5 7 a ^ ^:+i, ^, , -, , A c? with dark uniform lower parts, Xo. 304. HYBRIDIZATIOX AMONG DUCKS AND PHEASANTS JOHN C. PHILLIPS. Freak mallard experiment. 1 iSIallard d. 2 Mallard 9. 3 Original male freak, c? No. 39-256. 130 PLATE 5


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904