48 



MR. R. I. POCOOK ON THE EXTERNAL 



Text-figure 15. 



A'. Anal and genital area of female Lemur catta, showing the thick clitoris 

 protruding between the labia of the vulva. 



B. The same of female Lemur variegatus, showing the short cordate vulva arising 



from a naked area of skin. 



C. Vulva of the same enlarged, showing the lateral grooves and the orifices of the 



urethra and vagina covered by membrane (hymen) in the virgin female. 

 I). Side view of the same vulva. 



E. Anal and genital area of female Lemur alhifrons, showing the circumanal 



glands and the long attenuated clitoris. 



F. The s nne of Lemur conmatns, showing the long clitoris and the absence of 



circumanal glands. 



G. Vulva of the same on larger scale, showing the supplementary labia beneath 



the orifice of the vagina. 



cl., clitoris ; u., orifice of urethra ; v., orifice of vagina. 



