228 Transactions. — Zoology. 



Sub-order Duplohamata. 



Dentition, 1-1-1 ; the laterals versatile, with two or more cusps on a 

 long base. 



Fam. Buccinida. 



Animal with a recurved siphon ; shell ovate or fusiform ; canal mode- 

 rate, short, or reduced to a notch ; columella smooth. Operculum ovate 

 with the nucleus apical or lateral. 



Sub-fam. Neptuniinm. 



Foot simple ; eyes on the sides of the tentacles. Shell with the canal 

 moderate and twisted.* 



Genus Siphonalia, Adams. 



Animal with a long siphon. Lateral teeth with three cusps, the central 

 with four. Shell fusiform ; canal moderate or rather short, last whorl ven- 

 tricose. Operculum ovate, the nucleus apical. 



Siphonalia mandarina, Duclos, Mag. Zool., viii. (1831) ; Eeeve, Conch. 

 Icon., Fusus, f. 8 ; Tryon, Man. Conch., iii., p. 138, pi. 57, f. 385. Fusus 

 zealandicus, Quoy and Gairuard, Voy. Astrolabe, Zool. ii., p. 500, pi. 34, 

 f. 4-5 (1833). Fusus reevianus, Sowb., Thes. Conch., 1880 ; Tryon, Man. 

 Conch., iii., pi. 86, f. 600 [not of Petit] . 



Hab. Auckland to Cook Straits. Found also in S. Africa. 

 • Whorls rounded, spirally grooved, each groove with one or two raised 

 lines. Body-whorl with or without longitudinal ribs. 



The dentition and operculum are unknown. 



Siphonalia dilatata, Quoy and Gaimard, Voy. Astrolabe, Zool. ii., 

 p. 498, pi. 34, f. 15, 16 (1833) ; Gray, Figs. Moll. Anim., L, pi. 9, f. 5 ; 

 Eeeve, Conch. Icon., Fusus, f. 49 ; Tryon, Man. Conch., iii., p. 135, pi. 54, 

 f. 356-358. Fusus a Justus, Philippi (1844) ; Tryon, I.e., iii., pi. 54, f. 359. 



Hab. Auckland to Cook Straits. Found also in Tasmania, Australia, 

 and Japan. 



* The following species are omitted as not really inhabiting New Zealand : — 

 Buccinum triton, Lesson. Inhabits Peru. 

 Buccinum zealanidicum, Eeeve. Not recognized, 

 Buccinum glandiforme, Eeeve. Not recognized. 

 Buccinum gradatum, Deshayes. Not recognized. 

 Bxiccinum porcata, Gmelin. Inhabits Cape of Good Hope. 

 Buccinum lactea, Eeeve. Inhabits Australia. 

 Buccinum quoyi, Kiener. Habitat unknown. 

 Nassa subspinosa, Lamarck. Inhabits Polynesia. 

 Nassa rutilans, Eeeve. Inhabits N. Australia. 

 Nassa novce-zcalandice, Eeeve. Inhabits Philippines. 

 Nassa nigella, Eeeve. Habitat unknown. 

 Nassa corticata, Adams. Inhabits Australia. 

 Nassa sculpta, Marrat. Inhabits Polynesia. 



