CHARACTERS OF THE SOUTH AMERICAN MONKEYS. 



Text-figure 13. 



External Generative Organs of males. 



A. Rear end, with tail raised, of Sajpale jacclms. 



B. Tip of penis of the same. 



C. Naked area round penis of the same. 



T>. Side view of extended penis of the same. 



E. Tip of penis of Leontocehus rosalia. 



F. Side view of extended penis of the same. 



G. Lower view of extended penis of Saimiris. 



H. Side view of same with bristle passed through urethra. 

 J. Lower view of scrotum and extended penis of Cebus. 

 K. Side view of extended penis of Ateles. 



L. Side view of tip of penis of Ateles (another specimen). 



M. Tip of the same. 



N. Tip of penis of Cebus. 



a., anus ; t., ischial promiucnce ; s., scrotum ; o., orifice of penis. 



