87 



Spondtlus limbatus. Spond. testd ovali, crassd, vix costatd, 

 squamis depressis, leevibus, palmatis, hrpvibus, irregularibus , inee- 

 gualibus, 9 ad \l disnositis ; interstitiis minutissime striatis, car- 

 dine 7nagno ; colore scuamarum crocco, interstitiarum obscure 

 violaceo ; intus limbo purpureo. 



Hab. Persian Gulf. Mus. Griiaer. Brit. Mus. ; G. B. Sowerby. 



SroNDYLUS siNENsis. Spond. testd Itevi, elongato-ovali, ared cur- 

 dinali plerumgue elongatd ; costis 5 ad 6 principalibus, vix elevatis, 

 sguamis IcBvibus, depressis, palmatis; interstitiis Itevibus, costis 

 incegualibus et squamis minoribus ; colore pallide f uloo, vel roseo, 

 vel albo, prope umbonem fusco variegato. 

 Remarkable for the smooth, depressed, palmated, spoon-shaped 

 scales on the five or seven principai ribs, vphįch are repeated in mini- 

 ature in the interstices. 

 From China. 



Spondylūs lingua-felis. Spond. testd ovali, crassd, ared cardi- 



nali et auriculis magtiis ; costis numerosis, vix elevatis, spinis 



brevibus, cegualibus, numerosis armatis ; colore fusco, subtūs croceo. 



A much more solid shell than S. asperrimus, with the hinge large ; 



the colour is a uniform dark brown, •which is shown in the interior 



by a -vvell-defined border. The shell is covered by nearly equal ribs, 



•vvhich are armed by short, thick, slightly curved prickles. 



Hab. ? Mus. M. Griiner. 



>*-/• Spondylus digitatus. Spond. testd suhrotundatd, tenui, costatd; 



costis 6 ad 9 principalibus, vix elevatis, sįuamis rectiusculis, 



arcuatis, ad terminos palmatis, aculeatim divisis ; interstitiis spi- 



nosis ; colore fusco, vel rubro, vel purpureo, ad umbones rubro 



variegato. 



The peculiarity of this species consists in the beautifully branched 



and digitated palmations vvhich terminate the erect and arched 



scales. 



Hab. Bermudas ; Belcher. Mus. H. Cuming. 



Stf Spondylus ASPERRIMUS. Spond. testd subrotundatd ; costis nume- 

 rosis vix elevatis, subceąualibus , aculeis brevibus, erectis, creberri- 

 mis, subtils canaliculatis ; interstitiis scabriculis et spinosis, colore 

 valvcE superiori fusco, prope umbonem variegato; valvce inferiori 

 croceo. 

 Hab. } Mus. H. Cuming. 



"^ ' Spondylus tenūispinosūs. Spond. testd ovali, tenui, costis prin- 

 cipalibus 8 spinis elongatis, tenuibus, erectis, numerosis, spinis in- 

 terstitialibus minutis ; interstitiis minute imbricatis ; laminis valva 

 superioris eleganiissime foliaceis ; colore pallide cinereo, prope um- 

 bonem rubro variegato, valvce inferioris albo, prope umbonem fla- 

 vido rubro radiato. 

 This species is distinguished by the thin, sharp, erect, \vhite spines 

 which ornament the numerous ribs. The upper valve is of a pale 

 ashy colour, variegated with red near the umbo, and the under 



