65 



postice arcuata, alba, polita. Long. ^ ; lat. ^ poll. Hab. 

 Puget Sound. 



The counterpart of F. turricula, from some varieties of which 

 it would not at first be distinguished ; but it is smaller, more 

 solid, the longitudinal ribs more lamellar and more decidedly cut 

 by the revolving lines, which are also less numerous. 



Fr/sus orpheus. Testa parva, elongata, cinerea : spira tur- 

 rita, anfr. 6 superne angulatis, lamellis acutis longitudinalibus 

 muricatis, et filis transversis cinctis ; anfr. ultimo postice ventri- 

 coso, antrorsum in rostrum vix reflexum attenuato : apertura 

 elliptica, ^ long, testae, postice angulata ; labro acuto ; columella 

 antice intrudente ; fauce carnicolori. Long. ^ ; lat. -£ poll. 

 Hab. Puget Sound. 



More slender, the beak longer, the longitudinal bars less 

 numerous and more lamellar than in F. jidicula ; in form it is 

 more like F. bamffius. 



Fusus sublutus. Testa parva, tenuis, elongata, pallida vel 

 ad basim et ad suturam livida, longitudinaliter costata, costis ad 

 12 erectis, obtusis, ad suturam haud attigentibus, sed secundum 

 rostrum productis : spira acuto-conica, anfr. 7-8 convexis, api- 

 calibus levibus, casteris minutissime decussatis, ultimo sub-globoso 

 ^ testae long, adequante : apertura angusta, postice angulata ; 

 labro postice arcuato ; fauce castaneo, albo fasciato. Long. § ; 

 lat. I poll. Hab. . 



The last whorl and beak are unusually short, with much the 

 aspect of a Mangelia. The coloring of the aperture is very 

 decided, while the surface looks dead and chalky. 



Triton brasilianum. Testa rhomboidea, elongata, rufescens, 

 epidermide tenui longitudinaliter hie illic fimbriato induta : spira 

 conico-turrita, anfr. 6, tabulatis, supernis costis quadratis duabus 

 ad apicem granulans cinctis ; anfr. ultimo triangulari costis 6 

 undato-nodosis antrorsum diminuentibus cincto, in rostrum vix 

 recurvum producto : apertura ^ long, testae ovato-lunata ; labro 

 valde varicoso, costis supereuntibus, interspatiis fuscis, plicis 

 geminatis albis munitis ; columella castanea rugis albis obliquis 

 ornata. Long. 2, lat. 1£ poll. Hab. Rio Janeiro. 



This appears to be one of several species confounded under 

 the Linnean T. doliarium. Deshayes has indicated it as a dis- 



