128 GASTROPODA. [Aspidobranchia. 



7. Cantharidus sanguineus, Gray, 1843. Plate 33, fig. 8. 



Trochus (Gibbimn) sanguineus, Gray, Dieff. N.Z., ii, 238. Cantharidus san- 

 guineus, Gray, Man. Conch. (1), xi, 131, pi. 47, f. 92, 93; Suter, P. Mai. 

 S., ii, 271. fit?, in text ; Ereb. & Ter., 4. pi. 1, f. 12. 



Shell small, conical, imperforate, greenish or whitish with blood- 

 red spots. Sculpture consisting of spiral cinguli with very narrow 

 grooves between them, 5 to 6 on the penultimate and 10 to 14 on the 

 body whorl ; sometimes slightly moniliform ; base with about 5' 

 cinguli. Colour green, with oblique longitudinal rows of blood-red 

 spots on the cinguli ; the first 3 whorls sometimes reddish or brownish 

 with radiate white streaks, below the suture very often tessellated 

 with white, brown, and red. Spire elevated conical, acute, sides 

 slightly convex. Protoconch conic, of Ii strongly convex smooth 

 whorls, which are mostly pearly. Whorls 6, flatly convex, the last 

 angled at the periphery ; base slightly convex. Suture impressed. 

 Aperture oblique, iridescent and lirate within. Outer lip solid, ofteru 

 strengthened within by a white callosity. Columella nearly vertical, 

 arcuate. Inner lip spread a little over umbilical tract, which is im- 

 pressed, concave ; the parietal wall with a more or less thick callus. 



Diameter, 7 mm. ; height, 9 mm. 



Type in the British Museum. 



Hob. East coast of the North Island to Cook Strait ; Chatham 

 Islands : not common. 



Fossil in the Pliocene. 



Subsp. cselatus, Hutton, 1884. 



Cantharidus sanguineus, Gray, subsp. ccelattts, Hutt., P.L.S. N.S.W., ix, 363 ; 

 Man. Condi. (1), xi. 131 ; Suter, P. Mai. S., ii, 272. 



Shell smaller, more deeply ribbed, and the ribs narrower, 5 to 7 

 on the penultimate, 15 to 16 on the body whorl ; sometimes obsoletely 

 granose through being crossed by growth-lines. Columella with a 

 slight swelling in the middle. Imperforate. 



Diameter, 4-5 mm. ; height, 5-5 mm. 



Type in the Canterbury Museum, Christchurch. 



Hob. Foveaux Strait (type) ; Port Pegasus, Stewart Island, in 

 18 fathoms ; Snares and Bounty Islands, in 50 fathoms (Captain. 

 Bollons) ; Whangaroa Harbour (C. Traill). 



Subsp. elongatus, Suter, 1897. Plate 38, fig. 14. 



Cantharidus sanguineus, Gray, subsp. elongatus, Suter, P. Mai. S., ii, 272. 



Differs from the species in being narrower, the whorls of the spire 

 slightly shouldered, the riblets more numerous and finer, 10-11 on the 

 penultimate, 18-19 on the body whorl. Colour whitish or light grey, 

 riblets light brown or reddish-brown, dissolved into spots on the 

 base only. Outer lip edged with white and brown dots, followed by 



