. Gonadectomy in relation to the secondary sexual characters of some domestic birds . Thb Effbct of Otamotomt ox Pakelt-Detkloped Fe^twkb».. G. Head of capon, showing infantile comb and wattles. Shanks of White Leghorn hen described on page 43, showing long spurs. Reproductive system of No. 1196; rb. right body with duct, rd, leading therefrom; lb, left body and duct, Id; o, oviduct (not clearly shown in the photograph); int, young duclis ( No. 169 front and No. 171 rear), siiowing condition soon after of capon showing the hypertrophied primary coverts


. Gonadectomy in relation to the secondary sexual characters of some domestic birds . Thb Effbct of Otamotomt ox Pakelt-Detkloped Fe^twkb».. G. Head of capon, showing infantile comb and wattles. Shanks of White Leghorn hen described on page 43, showing long spurs. Reproductive system of No. 1196; rb. right body with duct, rd, leading therefrom; lb, left body and duct, Id; o, oviduct (not clearly shown in the photograph); int, young duclis ( No. 169 front and No. 171 rear), siiowing condition soon after of capon showing the hypertrophied primary ^artially ovariotomized female, showing a few male feathers among the female feathers. The male feathers visible in the illustration are the hackle feathers and the black feathers in the with a brood of chicks. GONADECTOMY IN RELATION TO THE SECONDARY SEXUAL CHARACTERS OF SOMEDOMESTIC BIRDS By H. D. GOODALEOf the Massachvsetis Agricultvral Experiment Station


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