edit. 1816, ef s last. 1935. © <9 € m 
| oon, Deo. Ckck p. 93, ih ie. 
JILLW? Descript. Catal. I. p. 43, citati- 
one M. declivi, Dii et M. convexe, Wood, exclus. 
Mya pubéscens, Turron, Linn. IV. p. 115. 
Idem. Turton, Conch. Dict. p. 99, f. 35, permedioeré. 
Anatina pubéscens, Turron, Brit. Bivalves, P. 45, 
tab. 4, f. 3. junior. 
Mya declivis, Brown, Encycl. Brit. VI. p. 404. 
Anatina declivis, Brown, Illust. Conch. G. Brit, and 
Areland, tab. 11, f. 5, benè. 
Anatina myàlis, De SiS Man. de  Malac. 
p? 
Thracia pubéscens, De Brarwv. ibid. 
Idem. Desnavrs, Encycl. Meth. Vers, Se p. a. 
No. 2 
ian, Desu. Contin. Lam. Anim. sans + Veit. 1835, 
VI. p. 83, ubi in synon. pro Mya pubéscens, Penn. 
Brit. Zool., Mya declivis, Penn. &c. lege. 
Idem. Krener, Espéces Gen.et Icon., Gen. Thracia, 
p. 5, tab. 2, f. 9, optim. 
euros Shell Sa oe transverse, sub- 
equilateral, inequivalve, right valve somewhat ventricose 
and the larger, of a reddish-white color, covered with a 
brown shagreened epidermis, marked with irregular and 
more or less numerous striz of increase. "The beaks are 
short, and that of the right valve excavated at its summit 
to receive the opposite one. The- valves are moderately . 
