SPONDYLUS. 



Plate III. 



Species 10. (Mus. Cuming.) 



Spondylus aur.intius. Spoiid. testa subcoittorto-ovatd, 

 ventricosiusculd, racUaiim multicostatd, costis snperfi- 

 ciariis, spinis hreviusculis acutis copiosi niuricatis ; 

 viride ntirantid, circa umbonem alhd, imiuacidafd, plus 

 minus denitdald. 



The orange Spondylus. Siiell somewhat twistedly 

 ovate, rather ventricose, radiately many-ribbed, ribs 

 superficial, copiously prickled with rather short sharp 

 spines; bright orange, around the umboes unspotted 

 white, more or less denuded of spines. 



Lamarck, Auim. sans vert. vol. vii. p. 190. 



Hal). Seychelle Islands. 



This well-known species is chiefly distinguished from its 

 nearest ally S. Butleri, by the sharp curved prickly cha- 

 racter and abimdance of the spines, and by the absence 

 of marking in the vicinity of the umbo. 



Species 11. (Mus. Cuming.) 



Spondylus multisetosus. Spend, testa ovatd, fenuicnid, 

 irregtdari, radiatini dense striata et liratd, liris spinis 

 tenuibns tirevibus armatis, et copiose mimite muricutis; 

 purpurascente-carned, croceo undique plus minus ob- 

 scure maculatd, circa umbonem smujuineo nebulutd, 

 valde mnricatd. 



The many-bristled Spondylus. Shell ovate, rather 

 thin, irregular, radiately densely striated and ridged, 

 ridges armed with short tliia spines and copiously 

 minutely prickled; purple -flesh, more or less ob- 

 scurely spotted throughout with yellow, clouded with 

 blood-smears, and very prickly about the umbo. 



Hah. Philippine Islands ; Cuming. 



It is a striking characteristic of this species to be every- 

 where crowded with small prickles, iu addition to the 

 prickly spines. 



Species 12. (Mus. Cuming.) 

 Spondylus mus. Spond. iestd triyono-orbiculari, gib- 

 bosdy subirregulari, radiatini striata et liratd, liris 

 sMistantibus, spinis longinscnlis, irregtdaribus, ad 

 terminum coutorto-spathulatis sparsini armatd ; pur- 

 purascente, Jdc illic saturate nebulatd, circa umbonem 

 albd, spinis albis. 

 The mouse Spondylus. Shell triangularly orbicular, 

 gibbous, somewhat irregular, radiately striated and 

 ridged, ridges rather distant, sparingly armed with 

 rather long irregular spines, twistedly spathulate at 

 the end ; light purple, here and there dark-clouded, 

 white around the umbo, spines white. 

 Hab. Philippine Islands ; Cuming. 



Of swollen growth, distinguished by half-a-dozen prin- 

 cipal ribs, out of which the spines spring in a peculiar 

 contorted manner, and become spathulate at the extremity. 



Species 13. (Mus. Cuming.) 



bio\DYLU'5 gedaeopus Spo7id testd obloiigo oibicidan, 

 lad/fif/ni denne sfiiatd et li/ala stim g)an%dato-as 

 I I I s] iii(i\n iiiuiicatti spinis valde 



III it il Hic illic ti imcatis , 



uil hp III I juipmea vahd iiife- 



1 101 1 alba, uui uutio pa> tiiii tmUa 



The ass's rooT Spondylls Shell oblong orbicular n 

 diately densely striated and ridged, striK granularly 

 roughened, ridges squamately spined and prickled, 

 spines very irregular, promiscuously twisted, here and 

 there truncated ; upper valve everywhere deep pur- 

 ple, lower valve white, partially tinged with orange. 



L1NN.EUS, Syst. Nat. 12th edit. p. 1136. 



Hub. Mediterranean. 



This well-known species has a very characteristic plan 

 of sculpture, and is readily distinguished by its peculiar 

 contrast of colouring ; the upper valve being of a uniform 

 rich purple, whilst the lower valve is white, partially 

 tinged with orange. 



Januarv, 185G. 



