TRITON. 



Species 21. (Fig. a and b, Mus. Cuming.) 



Triton sarcostoma. Trit. testa subabbreviato-cla- 

 vteformi, varicibus dnabus, rotundis, solidiusculis , 

 spird brevi, apice subdepresso ; anfractibus superne 

 angulatis, transversim costatis, costis noduloso-cre- 

 r/ntis, costarum interstitiis subtiUter crenato-liratis, 

 costis sii/irris tubireu/atis, tuberculis grandibus, pro- 

 minenlibus, subcompressis ; spadiceo-fuscescenti , cos- 

 /is inter tuberculos albimaculatis ; columelld superne 

 et in/en/'' leviter corrugatd, labro intus fortiter ru- 

 goso-denticulato ; columelld labroque cameo eximie 

 tinctis. 

 The flesh-tinted mouth Triton. Shell rather abbre- 

 viate^ club-shaped, with two round, rather solid 

 varices ; spire short, apex rather depressed ; whorls 

 angulated at the upper part, transversely ribbed, 

 ribs nodulously crenated, interstices between the 

 ribs finely crenately ridged, upper ribs tuberculated, 

 tubercles large, prominent, rather compressed ; pale 

 yellowish brown, ribs blotched with white between 

 the tubercles ; columella slightly wrinkled at the 

 upper and lower parts, lip strongly rugosely denti- 

 culated within ; columella and lip delicately tinged 

 with flesh-colour. 

 Reeve, Pro. Zool. Soc, 1S44. 



Hab. Island of Ticao, Philippines (found on the reefs) ; 

 Cuming. 

 This shell has somewhat the aspect of the Triton cy- 

 nocephalus ; it differs in being much less ventricose, and 

 in having very prominent tubercles round the upper part 

 of the whorls. The mouth is stained with a pale flesh- 

 tint without any indication of dark colour on the colu- 

 mella. 



Species 22. (Mus. Cuming.) 



Triton femorale. Trit. testa trigono-fusiformi, i/ifer/ii' 

 coarctatd, varicibus senis, compresso-acuminatis ; 

 spird subelatd ; anfractibus irregulariter convolutis, 

 triangularibus, superne leviter depressis, transversim 

 costatis, costis subdistantibus, ad unguium tuberculatis, 

 varices super radiantibus, interstitiis subtiliter lira- 

 tis ; epidermide pilosd et setosd ; columelld Levi, labro 

 intus lavi. apertures fauce pallide violaced ; canali 

 longiusculo, subascendente. 



The thigh-armour Triton. Shell triangularly fusi- 



form, contracted at the lower part, with six com- 

 pressly acuminated varices ; spire rather elevated ; 

 whorls irregularly convoluted, triangular, slightly 

 depressed at the upper part, transversely ribbed, 

 ribs rather distant, radiating over the varices, in- 

 terstices finely ridged ; epidermis hairy and bristly ; 

 columella smooth, interior of the aperture more or 

 h ss stained with pale violet ; canal rather long, 

 somewhat ascending. 



Lamarck, Anim. sans vert. (Deshayes' edit.), vol. ix. 

 p. 632. 

 Murex femorale, Linnams. 



Hab. West 'indies. 



The angular structure of the whorls constitutes a very 

 peculiar feature in this shell. The varices originally 

 served as models for the gadroon border used by silver- 

 smiths in the decoration of plate. 



Species 23. (Mus. Cuming.) 



Triton pilearis. Trit. testd fusiformi-turritd, varici- 

 bus septem octove ; spini elata : anfractibus convexis. 

 superne depressiusculis, transversim costatis, costis 

 exiliter crenatis, alternis majoribus, duplicibus, su- 

 peris tuberculatis ; albido-fuscescente nut cieruleo- 

 cinered, fusco variegatd et strigatd ; epidermide pi- 

 losd et setosd ; columelld et apertuncfauce sanguineo- 

 rubr'/s, rugis fortibus t/lbis profuse ornatis ; canali 

 breviusculo. 



The hairy Triton. Shell fusiformly turreted, with 

 seven or eight varices ; spire raised ; whorls con- 

 vex, rather depressed at the upper part, transversely 

 ribbed, ribs finely crenated, alternate ribs larger, 

 double, upper ribs tuberculated ; pale brown or 

 ashy blue, variegated and streaked with darker 

 brown ; epidermis hairy and bristly ; columella 

 and interior of the aperture blood-red, profusely 

 ornamented with strong white wrinkles ; canal 

 rather short. 



Lamarck, Anim. sans vert. (Deshayes' edit.), vol. ix. 

 p. 630. 



Murex pilearis, Linnaeus. 

 Lampusia pilearis, Schumacher. 



Hab. Island of Burias, Philippines (found under stones 

 at low water) ; Cuming. 



April 1844. 



