1910.1 



ORGANS OP THE FISH CHIMERA MONSTROSA. 



513 



each divided distally into two main portions with corresponding 

 cartilaginous supports ; the parts covered with skin are provided 

 with numerous small forwardly projecting spines, and each 

 clasper is about four inches in length ; at the proximal end of 



Text-fig. 40. 



pel. .. 



Urogenital organs of adult male Chlmcera mon-strosa (X|), 

 with pelvic fins and claspers (ventral view). 



ah. p., abdominal pore on right side; an., anus; h.v., blood-vessel (removed on right 

 side); m.cl., left middle clasper extended ; m.d., Mullerian duct ; m.s., Leydig's 

 gland; pel., pelvic fin: sp.d., sperm-duct or Leydig's duct; t.c, white cortical 

 region of testis; t.m., green medullary region of testis; ur.op., urogenital 

 opening; v.efxol., longitudinal collector of efferent ducts; v.ef.t., network of 

 efferent ducts on testis; v.s., seminal vesicle. 



Proc. Zool. Soc— 1910, No. XXXIII. 



33 



