BULLETIN OF THE UNITED STATES FISH COMMISSION. 89 



ff^to. 



v.— 



.«— 



m 



Fig. 2. Piece of the ovary, twiceits natural size, vnthova- 

 rian leaflets arranged in transversal roxvs, on 

 its outer surface. 

 The shorter border attached to the dorsal -wall 

 of the abdominal cavity; the longer being 

 free. 



---o> 



'T^ 



— 8 



-■« 



Fig. 3. Piece of a somewhat developed ovary, one hun- 

 dred times the natural size, showin'i the trans- 

 parent eggs loith the germinative vescicles ayid 

 the germinative dots. 



Fig. 1. Female eel, longitudinal section of the 

 abdomen; natural size. 



a. Right ovary. 



b. Lett ovary. 



c. Accessory part of the right ovary. 



d. Left accessory part. 



e. Dividing membrane. 

 /. Anal depres.sion. 



g. Urinary bladder. 



h. Fat on the right side, erroneously 



taten for the testicles by some. 

 h'. Similar fat covering the stomach. 

 i. Fat on the left side. 

 k. Stomach. 

 I. Pylorus. 

 m. Liver. 

 n. Gall-bladder. 

 00. Pectoral fins. 



? / 



a 



Fig. 4. Anal part of a female eel, ttvice the natural size. 



a. Straight intestine. 



b. Fissura recto -vesicalis. 



c. Urinary bladder. 



d. Annus. 



e. Partition. 



/. Uro-genital opening. 



g. Outlet of the genital opening in the uretha. 



