BY S. J. JOHNSTON. 287 



Plate xxxix. 



Moreauia mirahilis. 



Fig,3. — Microphotograph of a section through the genital chamber and 

 spiny part of the cirrus, not quite iti i he middle of the cirrus, but 

 showing the method of eversion of the cirrus through the genital 

 chamber (x 108). 



Fig.4. — Misrophotograph of a section through the middle of the cirrus- 

 sac, showing the spines on the surface of the inverted cirrus, the 

 well marked pars prostatica, etc. ( x 125). 



