ii6 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 52 



A female from another locality was 2 5/16 inches long. 



As a whole, the dorsal and anal rays are a little higher in males. 

 Other than this I can see no differences between the sexes except the 

 stmctnre of the ])ost-anal region. 



Fig. 39. — Cotlus puinliilatus (Gill). 



