WORMS. TESTACEA. 56. Mya. 
Gairipechi- Shell narrow white and very finely ftriate. 
tnlisi Lift. Conch, tab. 432. Jig. 275. 
Inhabits the Bay of Cumpcchy. an indillinifl fpecies. 
Cofdata, gjjeji turgid and furrowed with fine elevated tranfv'C'’^*^ 
firiae: aperture heart-fhaped. 
Sehract. Einl Conch. 3./. 544- tub. g. fig, zz— 2 ^. 
Inhabits affixed to Coralis ; Jhell very thin fragile dirty vvhi^® 
the fore-part fmooth except a lew arched ridges. 
Ghiioeiifts. Shell oblong, a little deprelTed, with tiftant longitudin^' 
ftrias. 
Inhabits Chili, on rocks. Mol. Hift. Chili, p. 179. 
Shell 5 inches long, with minute appendages. 
Shell oblong while, with a longitudinal brown granul**^ | 
future. ‘ 
Pall. Nov. ftii.. Petrop' 2. p. 23.0. tab. 6 . fig. zb. A, D. 
Inhabits the Belgic Shores, and penetrates timber. ! 
Shell bivalve white w'lth tranfverfe arched ftrite; above 
iiivent ; convex in the middle, beneath wedge- ihap^'^’ 
with a very large oval aperture. 
Chemn, Conch. 10. lab. ijz.fi^. 1678—1681 j 
Spengl. nov.aSi.Joc. Dan. 2- fig. 8 — ii. , i 
Inhabits American IJlunds, and perforates calcareous rocks 
corals. 
fefeJula. 
Hiarisc 
65 . MYA, Arzima/an Afcidia:j%(?// bivalv<^t 
generally gaping at one end : hinge witf* 
broad thick ftrong teeth, feldom moi'^ 
than one, and not inferted into the op' 
pofitc valve. 
The animals of this genus perforate into the fand and clay at 
bottom of the fea, burying themfelves and their ihells who - ' 
or in put. 
'^'ii'uncata. Shell ovate truncate and gaping greatly behind: tooth 
jedling forvt'ards and very obtufe. 
Pennant. Brit. 7 ,ool. \v.p. 78. tab. i^i. f'ig, 14. 
Lif. Conch, tab. c^z^.fig. 269. Ar.f. t. j./, 96. 
