II BUI.L.ETIN 38 ' 4^ 



Distribution. — Gulf of Mexico, off the mouth of the Missis- 

 sippi River, 68 fms. 



(Platyschides) arctus Henderson, Bull, iii, U. S. N. M., p. 124, 

 pi. 19, f. 19, 1920. 



Distribution. — Gulf of Mexico off Cape San Bias, Florida, 

 60 fms. 



(Gadila) mayori Henderson, Bull, iii, U. S. N. M., p. 133, pi. 

 19, f. 3, 1920. 



Distribution. — Florida, Gulf of Mexico, off Cape San Bias, 

 Fla., 60 fms. 



(Caduius) transitorjus Henderson, Bull, iii, p. 143, pi. 19, f. 6, 

 1920. 



Distribution. — Florida to Old Providence Isl., north of Colon. 

 Gulf of Mexico, off Cape San Bias, Fla., 196 and 169 fms. 



* * * 



