NASSA. 



Plate XVIII. 



Species 117. (Mus. Cuming.) 



Nassa festiva. Na,is. tesid ovatd, crassd, alhd ant cm- 

 ridescente, uigro-fmco tiiicfdet Ihieald, longitudinalitef 

 mhrude nodoao-codatd, trmmwrum sulcatd ; aperturd 

 ovatd, fancevalde liratd, columella brevilaminatd, lahro 

 crasse imricoso. 



The pleasant Nassa. Shell ovate, thick, white or 

 bluish, stained and lineated with black-brown, longi- 

 tudinally rather rudely nodosely ribbed, transversely 

 grooved ; aperture ovate, interior strongly ridged, 

 columella short-laminated, lip thickly varicose. 



Powis, Pro. Zool. Soc. 1835, p. 95. 



Hab. Panama and St. Elena (in sandy mud in six to ten 

 fathoms) ; Cuming. 



A fine solid species conspicuously noduled throughout, 

 the nodules being white upon the dark ground of the in- 

 terstices. 



Species 118. (Mus. Cuming.) 



Nassa vakicifeha. Nass. testa subelongato-turritd, al- 

 bidd, fasciii diuibiis ferriigiHeo-fiisrh chirjidatd ; spird 

 exsertd, siiturd suhcanaliculatd ; avfractibus plan'uis- 

 ctdis, transversim dense impresso-striatis, longitudliia- 

 liter crebriplicatis, varice crasso calloso Mc illic iti- 

 structis ; aperturd parvd, fauce dentictdatd, columelld 

 areuatd, basi contortd, labro varicose. 



The varicose Nassa. Shell somewhat elongately tur- 

 reted, whitish, encircled with two rust-brown bands ; 

 spire exserted, suture slightly channelled ; whorls 

 rather flat, transversely densely impressly striated, 

 longitudinally closely plaited, furnished here and there 

 with a thick varix ; aperture small, interior denticu- 

 lated, columella arched, twisted at the base, lip vari- 

 cose. 



A. Adams, Pro. Zool. Soc. March 1851. 



Hab. Eastern Seas. 



This singular Scnlaria-\\ke species partakes very much 

 of the character of Triton. 



Species 119. (Mus. Cuming.) 



Nassa myristica. Nass. testd globoso-actiminatd, crassd, 

 solidd, sordide alba, fusco lineatd ; spird elf vatd ; an- 

 fraciibus rotundatis, oblique lonijitudinaliter costatis. 



costis forlibus, rotundatis, liris transversisjiliformibus 

 nitid-e decHSsatis ; aperturd parviusculd, valde liratd, 

 columelld labroque crasse callosis. 



The nutmeg Nassa. Shell globosely acuminated, thick, 

 solid, dirty white, lineated with brown ; spire rai.sed ; 

 whorls rounded, obliquely longitudinally ribbed, ribs 

 strong, rounded, neatly crossed with transverse fili- 

 form ridges ; aperture rather small, strongly ridged, 

 lip and columella tliickly callous. 



Hinds, Moll. Voy. Sulphur, pi. 9. f 10 and 11. 



Hab. Cape of Good Hope ; Hinds. 



A very characteristic solid subglobose species, strongly 

 obliquely ribbed, the ribs being crossed at regular intervals 

 with painted thread-like ridges. 



Species 120. (Mus. Cuming.) 



Nassa Tritoniformis. Nass. testd acuminato-conicn, 

 basi contortd, livido-cinered, fusco hie illic tinctd ; 

 longitudinaliter plicato-costellatd, liris trun.wersis no- 

 doso-reticulatd, nodis albidis ; aperturd parvd, fauce 

 valde liratd, columelld areuatd, tenuilaminatd, corru- 

 gatd, labro enormiter varicoso. 



The Tkiton-shaped Nassa. Shell acuminately conic, 

 twisted at the base, livid-ash, stained here and there 

 with brown ; longitudinally plicately ribbed, nodosely 

 reticulated with transverse ridges, nodules white ; 

 aperture small, interior strongly ridged, columella 

 arched, thinly laminated and wrinkled, lip enormously 

 varicose. 



Kienee, Icon. coq. vivantes, p. 108. pi. 30. f. 2. 



Hab. Island of Luzon, Philippines (on mud-banks) ; Cu- 

 ming. 



Belonging to the same peculiar type of the genus as the 

 European N. incrassata. 



Species 121. (Mus. Cuming.) 



Nassa decussata. Nass. testd ovato-conicd, basi con- 

 tortd, albidd, fusco tinctd et obscure fasciatd ; anfrac- 

 tibus medio angulatis, transversim filoso-Hratis, longitu- 

 dinaliter plicato-costatis, costis ad angulum compresso- 

 nodatis ; aperturd rotmidatd, fauce liratd, columelld 

 calloso-laminatd , labro varicoso. 



December, 1853. 



