1872.] 



DR. J. MURIE ON MACACUS CYCLOPIS. 



773 



tion was called to the fact by the keeper. Sure enough it was a 

 most extraordinary sight. In the female Rhesus Monkeys and the 

 Baboons, at stated periods the hinder parts become unusually florid 

 and puffy, but generally speaking the tumidity is restricted within 

 reasonable bounds. In the case of the Round-faced Monkey, how- 

 ever, not only are the callosities and external genitalia swollen, but 



Side view of pelvis and part of spinal column of the $ and $ Macacus cyclopis, 

 showing their remarkable pelvic angle, as compared with M. erythrmus. 

 See also fig. 1, p. 724, of M. maurus, and fig. 1, p. 782, of M. speciosus. 



A. Female, the asterisk (*) pointing to alteration in the direction of the tail, 

 between the first and second caudal vertebra, the dagger (t) to the spine 

 of the seventh lumbar. B. Male, with less curvature of the parts. 



even the proximal end of the tail is inordinately increased in dimen- 

 sions. In short, the whole of the posterior parts are literally a mass 

 of deformity. The skin and subcutaneous tissues are frightfully 

 distended, purple, deep red, and roseate, and here and there bagged 

 out in great folds as if they were ready to burst from sanguineous 

 and serous effusion. It is a hideous spectacle ! A woodcut repre- 

 senting such condition of the parts has been given in our 'Proceedings' 

 for 1864, p. 711, which, though to some extent true to nature, fails 

 to give a vivid conception of this most exuberant sexual develop- 

 ment. 



One is prepared to perceive that the immense dilatation of the 

 buttocks almost necessitates an adaptation of the ischial bones, other 



