52(5 



MR. T. (J. BURLEND OX THE UROGENITAL 



[Mar. 1. 



this posterior uterus-like one-third opening by a wide slit-like 

 aperture, along with that of the other side, into a depression 

 between the pelvic fins, and not into a urogenital sinus as is the 



Text-fig. 50. 



m.d.o. 



■sh a I. 



Urogenital organs of adult female CMmmra. Ventral view (X h). 

 The left pelvic fin has been almost entirely cut away. 



ab.p.. left abdominal pore; an., anus; dig.gl., digitiform gland; dig.gl.op., its 

 opening ; m.d., left oviduct ; md.op., left oviduct opening ; m.d.o., ceelomic 

 opening of oviducts ; m.s., paired portion of kidney ; m.s.', longitudinal duet 

 receiving collecting ducts from m.s.; m.t., unpaired portion of kidney; m.t.', 

 special ureters from m.t. ; oo., left ovary ; )•., cut rectum ; sh.gl., shell-gland ot 

 left ovary ; ur., opening of urinary bladder; ur.bl., urinary bladder. 



