TELLINA. 149 



valve, and strong lateral teeth in the other. The usual 

 length about an inch and a half; breadth two inches. 

 Inhabits the Indian and American Seas. 



The specimen figured in pi. 41. is remarkable for its 

 waved striae, which are not so conspicuously undulated 

 in larger shells. 



INFLATED TELLEN. 



9. Tellina inflata. T. testa rotundata, crassa, tota nivea, gibba ; striis 

 longitudinalibus subtilissimis, Linn. Gmel. p. 3230. 



Shell rounded, thick, gibbous, and quite white ; finely striated longitu- 

 dinally. 



Chem. Conch. 6. pi. 9. f. 76. 



This shell is very slightly produced before, but not 

 pleated. It has a bifid tooth in one valve, and remote 

 lateral teeth ; the longitudinal striae are very fine, and 

 best seen with a lens. It is described only by Chem- 

 nitz, and its country is not mentioned. 



PELLUCID TELLEN. 



10. Tellina crystallina. T. testa subtriangulari, alba, pellucida, antice 



inftexa> transversim costata. 

 Shell subtriangular, white, pellucid, transversely ribbed, and angular 



before. 

 Chem. Conch. 11. pi. 199. f. 1947, 1948. 



This is a small, white shell, distinctly ribbed, and 

 curved, or angular, on the fore part. It is described by 

 Chemnitz, from a specimen in Spengler's Cabinet, and 

 is about three quarters of an inch long, and an inch 

 broad. 



