3U 
On thè genus Pompholyx and its Allies, 
subspirai, mautle submai’ginal coiitinuous, simple. Pulmonaiy aper- 
ture on tlie biiider pai’t of thè right side, protected on thè inner side 
by thè process of thè lamina. Foot oblong rounded at each end. 
Shell crepiduliform, -svith a free lamina projecting from thè septum 
on thè right side ; minute, spirally striated, apex spirai, epidermis 
thin, brown. The statement in regard to thè eyes demands further 
confirmation. 
Fio. I. 
Radula of Pom'pliolyx solida. — A. Jaw. B. Section of centrai tooth. C. 
Section of first lateral tooth. 1 to 18, lateral teeth. 
Pomjdiohjx (var. solida). 
Buccal piate fiat, ovate-cordiform, apex anterior. No accessory 
jaws. 
Tentacles moderate, stout, rounded and slightly expanded at thè 
ends. 
Eyes on thè front of thè head, near but not on thè inner bases of 
thè tentacles. 
Genitalia on thè left side. Foot bhmtly rounded behind. 
Mantle margin simple, not extending beyond thè shell. 
Central tooth small, bitid. Cusps of laterals broad, larger than thè 
bases, trilobed ; thè outer more compressed stender tridentate. 
Ova in a tough, flattened, and rounded capsule, few in number. 
Shell of few whorls, dextro-spiral. 
Carini f ex {Newberryi). 
Animai unknown. Mr. Lea had some alcoholic specimens, 
prociired by Dr. jSTewbeny, wliieh cannot now be found. 
From a cursory examination thè animai appeared to reseni- 
ble tliat of Pianori) is, bnt thè tentacles were shorter, as in 
Pomjykolyx. One shell, out of many dry specimens, alone con- 
