GASTEEOPODA. 41 



broad spiral. Outside pinkish brown ; interior pale, highly iridescent. 

 Breadth, about 3'75. 



Common. Chatham Islands. 



181. H. virginea, Lamark, I.e., ix., p. 32. Spire moderate, ob- 

 tuse, body whorl longitudinally grooved, and irregularly transversely 

 plicated ; posterior portion of outer lip not projecting beyond the 

 body whorl; posterior part of columella much curved, but hardly 

 spiral. Outside variegated with green, brown, and white; interior 

 pale, highly iridescent. Breadth, about 25. 



Not so common as the others. Chatham Islands. 



* 182. H. Cunningham!!, Gray. Shell ovate, thin, very large, 

 concavely depressed, left side angulated, perforated at the angle ; per- 

 forations somewhat tubulous, six (in the young shell seven or eight) 

 open; obliquely undulately plicated, sculptured throughout with 

 minutely wrinkled striae, left margin rather broad, flattened. Outside 

 reddish brown, variegated with green and darker brown, inside 

 whitish. (Reeve.) 



* 183. H. nSBVOSa, Deshaycs, Anim. sans vert., ix., p. 34. Shell 

 ovate, spirally ridged, ridges granulosely scaled, often alternately the 

 larger, obliquely undulately wrinkled ; wrinkles more or less swollen ; 

 six holes open. Deep red or scarlet red, radiated with yellowish 

 white ; or light olive-red radiated with green. (Reeve.) 



Australia. 



* 184. H. albicans, Deshayes, I.e., ix., p. 31. Shell somewhat 

 orbicularly ovate, convex, smooth or spirally obsoletely ridged ; per- 

 forations small, numerous, ten open. Exterior yellowish scarlet, rayed 

 with whitish flames ; interior silvery white. (Reeve.) 



* 185. H. Cmenta, Reeve. Shell ovate, a little attenuated 

 anteriorly ; spire rather elevated, spirally peculiarly striated in a 

 waved and wrinkled manner ; perforations somewhat approximated, 

 eight open. Beautifully variegated with white dotted scarlet, and 

 scarlet dotted white. (Reeve.) 



* 186. H. zealandica, Reeve. Shell oblong, rather depressed, 

 spirally irregularly grooved ; intermediate ridges obtuse, now broad, 

 now narrow ; six holes open. Exteriorly peculiarly marbled with 

 reddish chestnut and red-tinged white. (Reeve.) 



* 187. H. Stomatiaformis, Reeve. Shell oblong, ovate, very 

 convex, spirally striated, radiately finely plicated; spire nearly ter- 

 minal, elevated ; five perforations open. Marbled with olive-green. 

 (Reeve.) 



* 188. H. pulcherima, Deshayes, I.e., ix., p. 35. Shell ovato- 

 sub-orbicular, rather convex, reddish chestnut, radiately ribbed, finely 

 transversely striated ; spire large, sub-central, sides sub-angled, per- 

 forated at the angle; perforations numerous, small, eight open. 

 (Deshayes.) 



Sub-order Edriophthalma. 

 Eyes sessile. 

 6 



