404 



MR. R. I. POCOCK OX TJIE EXTEKN'AL 



Text-figure "20. 



A. Glaus penis of Acanthion longicauda, from beneath. 



B. The same with the orifice of the glandular pouch dilated. 



C. The same with the glandular pouch evaginated. 



D. The same as C, from the side. 



E. Anal area of the same, with auus dilated to show glands. 



F. Lateral view of anal area of young Si/strix africa-australis. 



G. The same of Coendu twvce-Jiispaniee, with penis in-otruded. 

 H. Posterior view of the same with glans retracted. 



I. Lower view of glans of the same. 



K. The same with the glandular pouch cut open, showing a pair of short 

 spikef at the bottom. 

 a, anus aff, anal gland ; gl, glandular pouch ; gu, genito-urinarj^ 

 orifice ; p, penis. 



