104 EN^TA. 



has a shelving shoulder merely obtuse!}'- angulated ; yet I 

 suspect that the tAvo forms are mere varieties of one species. 



L. Archeri, Angas. PL 31, fig. 144. 



Yellowish, clouded and lined with chestnut ; lip punctate 

 with black, dentate within ; columella with three strong basal 

 pliciE, and numerous smaller ones above. Length, 1'33 inches. 



3Io>itserrat, West Indies. 



The form and coloring are very like the preceding species, 

 but the dentate lip is an extraordinary feature which may 

 distinguish it from all others. The tj'pe is the onl}^ specimen 

 known, and the localit}'^ is doubtful. Appears to conuect Lyrna 

 proper with its subgenus Enseta. 



S ibg'>nusEBaeti, II. and A. Adnins. 



Exterior lip Ihickened, inflected and bearing an obtuse tooth 

 upon its middle inner margin. 



L. iiARPA, Barnes. PI. 31, fig. 145. 



Pale flesh-color or gray, with chestnut or chocolate angular 

 spots and maculations, frequently forming faint interrupted 

 bands. Length, 1-1-5 inches. 



W. Coast of Central America. 



L. CuMiNGii, Brod. PI. 31, figs. 146, 147. 



Pale flesh-color, clouded and lined with chestnut. 



Length; 1-1-5 inches. 



W. Coast of Central America, northward to San Bias. 



L. Cylleniformis, Sowb. (fig. 141), appears to be a small shell 

 of this species. 



E. Pedersenii, Yerrill. 



Shell small, rather slender, elongated ; the spire regularly 

 conical , acute, about two-thirds the length o'f the body-whorl ; each 

 whorl much flattened below the suture and encircled by a row of 

 rounded tubercles ; the body-whorl with low, rounded, longitudinal 

 costffi below the tubercles. Whole surface finely longitudinally 

 sulcated or striated, on the upper whorls also transversely striated. 

 Color fulvous brown, specked with bluish white, with an inter- 

 rupted band, or spots, of deep l)rown below the suture, a pale 



