478 APPENDIX. lB.' ?1. SPo?OYLVs Jta?)t?t .? ? H?st. vi. pt. i. 10?. Icon. CAem?. ?mds. vii. t. 45. f. 469. 470. ?f?e?. M?t/s. pl. 191. � 5. ? PstvrsN M?X?BtUS ? /,am. HOt. vi. pt. i. 16& Ostrea maxima, (?md. $y?t. Nat. i. 8315. Icon. ?,bmf?. ?. vii. t. e0. f. ? ?ne shell before me is probubly distinct from the ?bove spedes, but is too ranch worn down to be sepm?ted from it; in its present st?e it seems to agree tolerably well with the species to which it hs been referred. 2?. PSCTSN ASPSumMUS, L?m. HOt. vl, pt. i. 174? 'rhis beautiful species was originally found by MM. P&on and Lesueur ou the ceast of Vsn Diemen's Land. 24. LmA MmUTA, (n. s.) 7'est? ovato-oAlo?ga raids t?dd? ela#?a f?uiiatim cof?f tra?v?se.coftato-ftr/?tb, au?/cu/?f m?s#tif, mr- 'l?nis shell, which was brought up by the deep sea souadinf-L_?ud, being only one-sixth of an inch long, and one-fourth high, is the smallest species of the genus. It is white, ovate, oblong, turned and closed at the ends; the surface is deeply nutlately ribbed; the ribs ore concentrically fib-striated, which gives their sides 8 denti- cul?ted 8ppearance; the edge Is crenul?ted, and the urnbones m'e acute, & snudl distance airart, and nearly in the centre of the hinge margin, which is straight. 9J. P?J(NA DOLASiATA,/,?sm. Hbt. vi. pt. i. 183. Pinns bicolor, GA?*mm. GofscA. Ca&. t. 90. f. ? Icon. GA?us. viii. t. 90. � 780 ? ? shell, figured by C, bemnitz) appears to be n vu?qy of this spe- dee with the anterior end uncutveal, which !m most probably been (mused by some injury on the unterlor bmal edge. The species is peculiar for its yellow pody internal cmt, und
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