62 Dr. Maton’s and Mr. RAcKkETT's 
Testa diametro 4 poll. vel paululum major, alba vel ochracea, intus can- 
dida, costis 20 tuberculatis, interstitiis dense transversim striatis, 
First found by Mr. Boys, at Sandwich; and figured 
by Walker. Found also in Falmouth Harbour, by Dr. 
Maton. notuosstE-3e 5... i 
3; 
aculeatum.C. testa subcordata, sulcis convexis linea exaratis, ex- 
— terius aculeato-ciliatis. Linn. Syst. Nat. p. 1122. 
n. 78. Linn. Gmel. p. 3247. : 
Guait. Test. t. 12. f. A. 
Seba Mus. 3. t. 86. f. 4. 
Favanne Conch, t. 52. A. = 
Pennant Brit. Zool. 4. t. 50. f. 37. 
Da Costa Brit. Conch. p. 175. 
Chemn. Conch. 6. t. 15. f. 155—157. 
Donovan Brit. Shells, t. 6. 
Montagu Test. Bey. cp NL 3 
Habitat in mari. = ee 
Testa cordata, postice magis ae convexa, sulcata: D rede pluri- 
mis, exaratis, distantibus, versus marginem exteriorem repando-denta- 
tum; dentibus acutis, distantibus, compressis. Color extus rufescens, 
intus albicans, sulcis plurimis. Rima ovato-oblonga, hians. Cardinis 
dentes primores in altera valvula duo, in altera vero unicus; alterno 
minore, marginalis utrinque unicus compressus, ad eo rectum. 
formatus. (Linn. Mus. Lud. Ulr. p. 485.) 
B Fit figured by Pennant, who says it is found off the 
= Bb ides and Sins Mr. Montagu has found it on 
spinosum. G Pia oblique os ding: truncata, sulcis emi- - 
nentioribus spinoso-aculeatis. | 
Sowerby Brit. Miscel. p. 65. t. 32; 
Habitat in mari, m 
Testa 
