PLATE XXXIV. 
OSTREA PUSIO. 
DISTORTED. 
GENERIC CHARACTER. 
Animal a Tethys. Shell bivalve, unequal. The hinge without 2 
tooth, having a small oval cavity. 
SPECIFIC CHARACTER 
AND 
SYNONYMS. 
Fared. With about forty longitudinal rays. Shell irregular, or 
diftorted. 
Concha testa aurita, striis circiter quadraginta. Linn. F. Suec. 1. 
p- 384, No. 1345. 
Pecten minimus angustior, ineequalis fere et asper, sinu ad cardinem 
cylindraceo, ceberrimis minutissimisque striis 
donatus. List. Hist. Angl. p. 186. tit. 31. 
tab. 5. fig. 31. 
Pecten Pusio. Writhed. Penn. Br. Zool. No. 65. tab. 61. 
jig. 65. 
Pecten minor alba, contusa proteiformis. Petiv. Gazoph. tab. 94. 
Jig. 2. 
‘Twisted Pectines of Stroma. Wallace, Orkn. p. 43, 44 
Pecten parvus inzqualibus, informis, striatus. DisToRTUs, DIs- 
TORTED. Da Costa, Br. Conch. p, 148. tab. 10. 
Be iS. By 
