344 On the genus Pompholyx and its Allies, 



Bubspiral, mantle submarginal continuous, simple. Pulmonary aper- 

 ture on the hinder pari of the righl side, protected on the inner side 

 by the process of the lamina. Foot oblong rounded at each end. 



Shell crepiduliform, with a free lamina projecting from the septum 

 en the right side; minute, spirally striated, apex spiral, epidermis 

 thin, brown. The statement in regard to the eyes demands further 

 confirmation. 



Fio. I. 



Radula of Pompholyx solida. — A. Jaw. B. Section of central tooth. C. 

 Section of first lateral tooth. 1 to 18, lateral teeth. 



Pompholyx (var. solida). 



Buccal plate flat, ovate-cordiform, apex anterior. No accessory 

 jaw 3. 



Tentacles moderate, stout, rounded and slightly expanded at the 

 ends. 



Byes "ii the front of the head, near but not on the inner bases of 

 the tentacles. 



Genitalia Oil the left side. Foot bluntly rounded behind. 



Mamie margin simple, uol extending beyond the shell. 



Centra] tooth small, bifid. Cusps of laterals broad, larger than the 

 bases, trilobed ; the outer more compressed slender tridentate. 



<>\a in a tough, flattened, and rounded capsule, few in number. 



Shell of few whorls, dext io-spiral. 



< 'arinifex I .V< "•/„ rry$). 



Animal unknown. Mr. Lea had some alcoholic specimens, 

 procured by Dr. Newberry^ which cannol now be found. 



From a cursory examination tin- animal appeared to resem- 

 ble thai of PlanoHris, but the tentacles were shorter, as in 

 Pompholyx. One shell, out of many dry specimens, alone con- 



