139 



Or black ; epidermis fuscous ; apex of the spire generally 

 eroded, volutions 7, longitudinally ribbed, the ribs of the 

 last volution abbreviated ; aperture contracted in the middle ; 

 outer lip emarginated posteriorly ; inner lip denticulated 

 anteriorly. 



Found under stones in the Gulf of Nocoiyo, H. Cuming. 



83. Col. nivea. nobis, (pi. xxxix. f. 151.) 



Col. testa ovato-pyramidali, crassiuscula, leevi, nivea, apice 

 acuminato, anfractibus 8, primis 6 leevigatis, penultimo lon- 

 gitudinaliter costellato, ultimo costato, ad partem dorsalem 

 anticam lsevi ; apertura sub-angusta, sub-sinuosa, labio 

 externo crasso, intus sub-denticulato, labio commellari antice 

 levato. 



Shell ovate, pyramidal, thickish, smooth, snow-white, apex 

 acuminated ; volutions 8, the first 6 smooth, the last but one 

 longitudinally ribbed, the last with larger ribs, smooth on the 

 anterior part of the back ; aperture rather narrow, slightly 

 sinuous, outer lip thick, denticulated within; inner lip elevated 

 anteriorly. 



In Mr. Cuming's collection. 



84. Col. recurva. Sow. Z. P. ii. p. 115. (pi. xl. f. 152.) 



Col. testa oblonga, turrita, fulva, spira acuminato-pyrami- 

 dali; anfractibus 10 — 11 ; primis 6 longitudinaliter costatis, 

 ceeteris serie unica tuberculorum instructis ; ultimi dorso 

 sub-gibbo, parte inferiori transversim striata; apertura 

 elongata canali longiuscula recurva; labio externo reflexo, 

 incrassato. 



Shell oblong, turreted, fulvous, spire acuminated, pyra- 

 midal, volutions 10 — 11 ; the six first longitudinally ribbed, 

 the rest furnished with a single series of tubercles, the back 

 of the last rather gibbous, with the anterior part transversely 

 striated ; aperture elongated, canal rather long and recurved ; 

 outer lip reflected, thickened. 



Found among Coral sand in the Isle of Plata, H. Cuming. 



85. Col. lanceolata, Sow. Zool. Pr. ii. p. 116. (pi. xl. 

 f. 153, 154, 155.) 



Col. testa oblonga, turrita, albida, fulvo-varia ; spira acumi- 

 nata, pyramidali; anfractibus 10 — 12, primis 6 — 7, kevigatis, 

 cseteris serie unica tuberculorum instructis ; ultimi dorso 

 subgibbo, antice transversim striato ; aperturae elongatee ca- 

 nali breviusculo, sub-recurvo ; labio externo incrassato, 

 variciformi. 



s 



