121 



bus duobus ; spird elongatd, subretusd ; anfractibus obtuso-granu- 

 losis ; ccerulescente-albd ; canali brevissimo, recurvo ; aperturd 

 breviusculd. 



Conch. Icon., Triton, pi. 19. f. 94. 



Hab. ? 



This is the only species of Triton I have noticed with a single 

 varix on each side. 



Triton carduus. Trit. testą globosd, ventricosd, varice nulio; 

 spird brevi, acutissimd ; anfractibus longitudinaliter costatis, trans- 

 versim striatis, striis valde elevatis, costas super submuricato- 

 nodosis ; albidd, fuscescente varid; colitmelld excavatd ; canali 

 brevi. 



Conch. Icon., Triton, pi. 19. f. 95. 



Hab. ? 



A rather thin shell, of very sharply cancellated sculpture. 



TRITo^f PAGODUS. Trit. testd pyramidali-ovatd ; spira acuminato- 

 turritd, varice nulio ; anfractibus subventricosis, superne angulatis, 

 transversim creberrime elevato-lineatis, longitudinaliter costatis, 

 costis compressiitsculis, subdislantibus ; albidd, rubido-castaneo 

 multifasciatd ; canali brevi, valde recurvo ; aperturd rotundd ; labro 

 intus elevato-striato. 



Conch. Icon., Triton, pi. *20. f. 97. 



Hab. Bay of Montija, West Columbia ; Cuming. 



This species partakes more of the character of Nassa tlian the pre- 

 ceding ; it might be referred indeed to that genus with almost as 

 much propriety as to Triton. 



Triton pictus. Tr-it. testd oblongo-ovatd ; spird subacuminatd, 

 varice nulio ; longittidinaliter creberrime costatd, transversirn ele- 

 vato-striatd ; rubido-fusco alboque tessellatd; canali brevi; aper- 

 turd parvd, f auce albd. 

 Conch. Icon., Triton, pi. 20. f. 97. 



Hab. Gallapagos Islands (found under stones at low \vater) ; Cu- 

 ming. 



An interesting species tessellated with white and very rich dark 

 bro\vn, in which the latter colour greatly preponderates, 



Triton decipiens. Trit. testd elongato-ovatd, subfusiformi, dis- 



tortd, varicibus quinque serve indistinctis ; anfractibus liris an- 



gustis elevatis clathratis ; albido-lutescente, epidermide sericd 



indutd ; cohimelld profutide excavatu, rugosd, subobsolete umbili- 



catd, callositaiibus plurimis superne armatd, rufo-aurantid ,- labro 



plano-concavo, rufo-aurantio radiato, intus fortiter rugoso-dentato. 



Conch. Icon., Triton, pi. 20. f. 102. 



Hab. Island of Mindanao, Philippines ; Cuming. 



I have long hesitated to consider this shell any other than a variety 



of the Triton cancellinus : the diflerences, though slight, seem how'- 



ever to remain constant. It is uniformly of smaller size, the trans- 



verse ridges are not duplicate, and the colour and wrinkled denticu- 



