140 



Shell oblong, turreted, whitish, varied with fuscous, spire 

 acuminated, pyramidal; volutions 10—12; the first 6 or 7 

 smooth, the rest furnished with a single row of tubercles ; 

 the back of the last volution somewhat gibbous, anteriorly 

 transversely striated ; aperture elongated, canal rather short, 

 slightly recurved ; outer lip thickened, variciform. 



We have represented three varieties of this fine species. 

 From the Gallapagos Islands, H. Cuming. 



86. Col. pulcherrima. Sow. Z. P. ii. p. 113. (pi. xl. f. 

 156, 157.) 



Col. testa ovata, spira subulata ; anfractibus 9, primo mini- 

 mo, albo ; 2°, 3*^, 4'° et 6'° nigro-rufescentibus, politis ; 

 6'°, 7"^°? et 8^*^, concoloribus, spiraliter sulcatis ; ultimo ven- 

 tricoso, spiraliter sulcato, albido, sulcis brunneis ; labioexterno 

 incrassato ; peritremate polito, intiis superne emarginato, 

 infra denticulato ; labio intemo tenui, polito ; canali re- 

 curve. 



Shell ovate, with a subulate spire ; volutions 9, the first 

 small white, the 2^, S**, 4*'', and 5"', blackish red, shining ; the 

 gth^ 7*S 8"', of the same colour, spirally grooved; the last 

 ventricose, spirally grooved, whitish, with brown grooves; 

 outer lip thickened, peritreme shining, emarginated poste- 

 riorly within, and denticulated anteriorly ; inner lip thin, 

 shining ; canal recurved. 



A single specimen was found in the Gulf of Dulce, H„ 

 Cuming. 



87. Col. sub-ulata, nob, (pi. xl. f, 158, 159.) 



C. testa turrito-py ramidali, laevigata, albida, epidermide tenui, 

 cornea, pallescente induta, spira sub-ulata, anfractibus decern, 

 convexiusculis, primis septem laevibus, tribus ultimis postice 

 tranversim striatis, ultimo striato, postice tumido ; apertura 

 sinuosa, alba, labio externo extus incrassato, intus mediane 

 incrassato, denticulato ; labio interne incrassato, levato ; 

 canali brevi reflexo. 



Shell pyramidal, turreted, smooth, whitish, covered with a 

 thin horny, pale coloured epidermis, spire subulate, volutions 

 10, rather convex, the first 7 smooth, the three last posteriorly 

 transversely striated, the last striated and tumid posteriorly ; 

 aperture sinuous, white, outer lip thickened externally ; thick- 

 ened and denticulated within ; inner lip thickened and ele- 

 vated ; canal short, reflected. 



In Mr. Norris^s collection, locality unknown. 



