137 



labio interno superne calloso^ medio arcuato; canali brevi, 

 reflexo. 



Shell ovate, pyramidal, spire subvdate; volutions 8—9, 

 pale clouded with brown; back of the last posteriorly 

 gibbous, varicose on each side ; aperture rather short ; peri- 

 treme thickened, expanded, with a few small teeth within ; 

 inner lip callous posteriorly, arched in the middle; canal 

 short reflected. 



Bay of Caraccas and Puerto Portrero ; H. Cuming. 



77. Col. bicanalifera. Sow. Z. P., part ii., p. 113. (pi. 

 xxxix. f. 144.) 



Col. testa ovato-pyramidali, apice acuto, basi spiraliter 

 sulcato; anfractibus 7, superioribus longitudinaliter rugosis, 

 pallescentibus, fusco-variis, ultimo paUido, fusco strigato, 

 strigis prope suturas saturatioribus ; apertura oblonga, in 

 canalem superne decurrente, labio externo incrassato, reflexo, 

 sub-flexuoso, superne acuminate. 



Shell ovate, pyramidal, apex sharp, base spirally grooved, 

 volutions 7, upper ones longitudinally rugose, pale varied with 

 fuscous ; the last pale with fuscous streaks, those near the 

 sutures dark in colour ; aperture oblong, running into a canal 

 posteriorly ; outer lip thickened, reflected, slightly flexuous, 

 acuminated posteriorly. 



Dredged in sandy mud at ten fathoms depth : Gallapagos. 



78. Col. blanda. Sow. (pi. xxxix. f. 145, 146.) 



Col. testa ovato-pyramidali, pallida, apice acuto, anfractibus 

 8, leevibus, longitudinaliter undulatim fusco-lineatis, lineis 

 prope suturam dorsalem ultimi anfractus fortioribus ; apertura 

 lata, postice acuminata, labio externo tenuiusculo, extus 

 turgido, intiis denticulis parvis instructo, canali latiusculo. 



Shell ovate-pyramidal, pale coloured; apex acute ; volutions 

 8, smooth, with longitudinal undulated fuscous lines, those 

 near the dorsal suture of the last volution darkest in colour ; 

 aperture broad, posteriorly acuminated; outer lip rather 

 thin; turgid externally, with small denticles within; canal 

 rather wide. Africa, on the Shore, Solander. 



79. Col. costellata. Sow. Z. P. ii. p. 111. (pi. xxxix. 

 147.) ^ 



Col. testa oblongo-pyramidali, albida, castaneo-nigricante 

 maculata ; spira acuminata, anfractibus 8 — 9, longitudinaliter 

 costellatis, ultimo ad basin spiraliter striato, costeUis dis- 

 continuis. 



