1883,] PROF. HUXLEY ON THE OVIDUCTS OF OSMERUS. 



135 



FiK. 1. 



<x 



I : ■ %>u \ 



m.v.r. 



A. The genital organs of a spawning female Osmerus eperlaiius. natural size. 

 B. External face of the ovary. C. Transverse section. 



oe, oesopbagus; a7>,anus; Pw, air-bladder ; od. r, od. ^, abdominal aperture of the 

 right and left oviducts ; o, o, ova filling the oviducts; ff, external genital 

 aperture; m.o.r, in.o.l, right and left mesoaria; u, urinary aperture. 



Proc. Zool. Soc — 1883, No. X. 



10 



