Mr. E. A. Smith on new Species of Terebridae. 267 



of mature growth ; but the characters of the species are very- 

 distinct. The turreted appearance, the polished shining sur- 

 face, the few coarse spiral sulci, and the style of the coloration 

 very clearly define this form. 



Myurella Belcheri. 



M. testa subulata, dilute rubida, anfr. ultimi medio zona alba obscura 

 ciucto; anfr. convexiuseuli, costis longitudinalibus, arcuatis (in 

 anfr. ultimo 17-18 ad basim scnsim obsoletis) instruct!, sulcoqno 

 minime profundo suturam infra ina^qualiter divisi, et sulcis 4-5 

 transversis (in anfr. ultimo 15-16) super costas continuis ornati ; 

 columella contorta, ad basim obliqua. 



Long. 39 mill., diam. 8 ; apertura long. 7 mill., diam. 4. 



Hob. Guayaquil, Ecuador. 



This species, of which there is but one specimen in the 

 British Museum (presented by Sir Edward Belcher), has for 

 its nearest ally speci'llata, Hinds. It may, however, be at once 

 known from it by the greater coarseness of the longitudinal 

 ribs, which are cut across by the transverse sulci ; this is not 

 so conspicuous in sjjecillata^ which has longer whorls and a 

 straighter columella than the present species. The coloration 

 is also different. 



Myurella MacgilUvrayi. 



M. testa subulata, subturrita, sordide alba ; anfr. convexiuscidi, 

 costis longitudinalibus, arcuatis, tenuibus (in anfr. ultimo 18-19 

 sensim ad basim attenuatis) instructi, suturamque infra inter 

 costas sulco fortiter punctato inaequahter divisi, et spiraliter con- 

 cinne sulcati ; anfr. ultimus subelougatus ; apertura augusta ; 

 columella fere recta ; canalis brevis. 



Long. 22 mill., diam, 5 ; apertura long. 6, diam. 2. 



Hah. Bruinie Island, south coast of New Guinea, 35 fathoms, 

 clay bottom [J. Macgillivray^ Esq., Voy. 'Eattles7iake^). 



A pretty, whitish species, furnished with slender, curved 

 longitudinal ribs, and neatly transversely striated, the striations 

 or furrows being finer in the last three or four whorls than in 

 the rest ; and the infrasutural belt is divided off by a spiral 

 series of deep punctures, there being one in each interstice be- 

 tween the ribs. 



Myurella miranda. 



M. testa elongata, subacumiuata, albida, cretacea ; anfr. 11 convexi, 

 costellis gracillimis nuraerosissimis (in anfr. ultimo 36-40) obliquis, 

 longitudinalibus, et spiralibus (in anfr. primis 5, 2, in scquentibus 

 5, 5-6, in ultimo 9-10) in locis intersectionum nodulosis, concinne 



