Abstract

The subject of this study was described as a hen that crowed and laid eggs but never brooded. Thinking that this might be a ease of “masculismus” with altered endocrine function we secured the bird. It was a little larger than average, weighing 3950 gins. The plumage resembled closely that of a normal hen. It apparently was related to the race of Sebright Bantams. Like the cocks of this race, our animal had a thick and heavy comb— 7 era. long and 2.5 cm. wide. The wattles and ear appendages did not differ appreciably from those of a normal cock. At necropsy the sub-peritoneal fat was found abundant. In front of the vertebral column, at the level of the genital glands, on the right side was seen an oval body, somewhat lobulated in appearance—2.75 cm. long and nearly 2 cm. wide. In form and color it resembled a testis, but its consistency was much firmer than that of a normal testis in this species.

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