SPONDYLUS. 



Plate IX. 



Species 31. (Mus. Cuming.) 

 Si'ONDYLUS VIRGINEUS. Spoiid. testd Sttbtrigouo-ovatd, 

 irregulari, radiatim liratd, /.iris alternis xpinis exiniiis 

 armath, spinis longimculis, promiscue incwrvis, spinis 

 valvee inferioris fortioribiis, longioribus ; alhidd, fer- 

 rugineo-fusco prope xmihonvm niaculatd, spinis pui-pii- 

 rascentibus. 

 The maiden Spondylus. Shell somewhat triangularly 

 ovate, irregular, radiately ridged, alternate ridges 

 armed with delicate spines, spines rather long, pro- 

 miscuously curved inwards, spines of the under valve 

 stronger and longer; whitish, spotted with rust- 

 lirowu near the umbo, spines light purple. 

 Ualj. Philippine Islands ; Cuniiog. 



A very delicate, white, rust-spotted shell, profusely or- 

 namented with conspicuous gracefully curved piukish- 

 purple spines. 



Species 32. (Mus. Cuming.) 



Spondylus albibakbatds. Spond. testa late orbicularis 

 valvd superiori gibboso-convexd, radiatim multicostatd, 

 costis superfwiariis, spiiwsis ; fjisco-rufescente, costis 

 spinisque albis. 



The white-bearded Spondylus. Shell broadly orbi- 

 cular, upper valve gibbously convex, radiately many- 

 ribbed, ribs superficial, spined ; brownish-red, ribs 

 and spines white. 



llai. Philippine Islands ; Cuming. 



Characterized by a profusion of white spines, protruding 



from white superficial ribs upon a decided brownish-red 



ground. 



Species 33. (Mus. Cuming.) 



Spondylus tenebrosus. Spond. It-std ohlungu-ovatd, 

 depressimcidd, irregulari, radiatim copiose elemto- 

 striata, striis acukatis, sparsim sgimmatis ; ciuereo- 

 fuscd, ttlbipimclatd, circa umbonem albd. 



The dusky Spondylus. Shell oblong-ovate, rather de- 

 pressed, irregular, radiately copiously elevately stri- 

 ated, striffi prickly, sparsely squamate; ash-brown, 

 dotted with white, white around the umbo. 



Hab. Moreton Bay, Australia ; Strange. 



Of rather rude growth, beset with short prickles and a 



few scales. Of a white-speckled ash-brown, while round 



the umbo. 



Species 34. (Mus. Cuming.) 



Spondylus limbatus. Spond. tesld oblotigo-ocatd, irrt- 

 gtilari, radiatim dense striata et liratd, liris superji- 

 ciariis dense palmato-squamatis, sqiiamis rudibus, irre- 

 gidaribns; intense aurantio-riifd, sqiiamis interdum 

 pins aurantiis, intus aurantio-rufo late limbatd. 



The bordered Spondylus. Shell oblong-ovate, irre- 

 gular, radiately densely striated and ridged, ridges 

 superficial, densely palmately scaled, scales rude, 

 irregulai- ; deep orange-red, scales sometimes lighter 

 orange, interior broadly bordered with orange-red. 



SovvEEBY, Thesaurus Conch, vol. i. p. 437. pi. 88. f. .51. 



Hab. Panama and Mazatlan. 



Chiefly characterized by its orange-red colour, the scales 



being not unfrequently of a lighter colour, and by its broad 



orange-red border in the interior. 



