L I M A, 



Species IG. (Fig. a, Mus. Taylor, h, c, .AIu-<. I'.rit.) 



Lima aucuata. Lim. tesU'i ohli(}ue suhtrvjona, versus 

 margiiiem dorscdem attenuutd, ad marginem ven- 

 tralem lat^ expansd, subcompressil, utriiiqiic lalissime 

 hianti ; tnargine ventrali postice obliriui proilucto ; 

 costis radiantibics incequalibus. 



The arched Lima. Shell obliquely subtrigoiiul, at- 

 tenuated towards the dorsal margin, expanded at 

 the ventral margin, rather compressed, very widely 

 gaping on both sides ; ventral margin posteriorly 

 obliquely produced ; radiating ribs unequal. 



SowERBY. Thesaurus Conchyliorum, Lima, Sp. 15, 

 f. 41, 42. 



Hub. Lord Hood's Island, imder coral rucks. Panama. 

 Guayaquil Bay. Guacomayo, 



The small specimen, f. a, is from Panama, evidently 

 a young shell, but exhibiting the characters in which 

 the species differs from Z(«ia_/'ra^!7js, namely the curve 

 of the shell giving a wide hiatus, and the broad expan- 

 sion of the ventral margin. 



Species 17. (Fig. a, 6, Mus. Brit.) 

 Lima fasciata. Lim. testa teiiui, ventricosd, j)eroblique 

 ovatd, lata, alba, cmicentric^ pallide fulvo-fas- 

 ciatd, antice inter margines lateralis et centrales 

 angiilati'i ; utrinque hianti ; costis aciitis aspi'ratis, 

 inmqualihus radiata ; marglne canlinali lata, 

 auriculis acutis ; margine rentrali posiiix praducto, 

 antice acclivi. 

 The banded Lima. Shell thin, ventricoso, very 

 obliquely ovate, broad, white, concentrically 



lianded with |«le Caul. , auterinriy angular between 

 the lateral and ventral margins; gaping on each 

 side; rayed with sharp, rough, unequal ribs; 

 hinge margin broad, with sharp auricles; ventral 

 margin ju-oduced, slupeil U]i\vards in front. 



Lin'n.bus. Systeina Xatura'. 



Lima injlata, Ijamarck. 



Lighter, more oblique and less vcntricnv,- tlrin Limn 



ventricosa, and the ribs sharper and nmrc nuuifmus. 



Lu 



obli 



',/.}, „.ll„ 



■hL 



fuSCO il,<l„l.i. rnstis d isl.i ut,l,u , 

 veiitraUnn denlnlis khIiiiI.i : ii/i-in'/m iiu'dinrnti-r 

 hianti; iiKirymi Intend, ,i„lirr ,(„tfi:,\,-'U-riialo : 

 margiiw ccnti-ali puMiri iMiqiti- piodiicto. 



The fkagii.e Lima. Shell tlnn, coiuiiressed, very 

 oblique, rather narrow, white unless covered by 

 a pale brown epidermis, rayed with distant sliarjj 

 ribs, dentated at the ventral margin, gaping 

 moderately on both sides, lateral margin convexly 

 arched in front ; ventral margin posteriorly 

 obliquely jiroduced. 



Chemnitz. Conch. 7, t. (il, f O.'iO. 



Lima dehisreiis. Conrad. 



Li„ia li,„jn,it„l„. Lamarck. 



Hah. Tahiti, rialippmes. 



The South Sea variety, fig. a, may be a little less 



oblique and more ventricose than the Philippine one, 



fig. h, but there seems to be no essential difference 



between them. 



November, 1872. 



