122 RHYTIDA. 



whorls 4, rapidly increasing, the last depressed, deflected in 

 front, suture deep. Diam. 17, alt. 7*5 mill. 



Tasmania. 

 R. KANAKINA, Gassies. PI. 28, fig. 26. 



Widely umbilicated, depressed, rather solid, obliquely rugosely 

 plicatulate ; shining corneous, irregularly maculated with chest- 

 nut dots ; whorls 4, slightly convex, the last not descending, 

 base subplanate, umbilicus conical, bordered with chestnut ; 

 aperture shining corneous. Diam. 7, alt. 3*5 mill. 



N. Caledonia. 

 R. CANDELOTI, Crosse and Marie. PL 28, figs. 27, 28. 



Depressed, discoidal, very widely umbilicated, thin, pellucid, 

 obsoletely costulate-striate ; light orange-brown, strigate with 

 chestnut, the last whorl slightly cingulated with white below the 

 periphery. Diam. 65, alt. 2 mill. 



N. Caledonia. 



, A variety has been described, greenish yellow, the striga- 

 tions, obscure, a little larger than the type. 



R. LAMBERTI, Gassies. PI. 28, figs. 29, 30. 



Lenticular, thin, pellucid, transversely slightly, longitudinally 

 more strongly striated ; orange-brown ; spire nearly plane ; 

 whorls 5, rapidly increasing, the last not descending. 



Diam. 8, alt. 2'5 mill. 



% New Caledonia. 



R. OCCLUSA, Gassies. PI. 28, fig. 40. 



Yer3 r narrowly umbilicated, depressed, subdiscoidal, some- 

 what thin, obliquely costulate above; yellowish brown, with 

 undulating chestnut lines and spots, and more distinct macula- 

 tions at the suture; suture crispate. Diam. 6,. alt. 3 mill. 



New Caledonia. 



Has not the basal callosity of R. Turneri and Bruniana, 

 which it somewhat resembles otherwise. 



R. GOULARDIANA, Crosse. PI. 24, figs. 54-56. 



Umbilicus narrow, almost Covered, shell somewhat solid, 

 flexuosely, subobliquely costulate; epidermis very thin, some- 

 what deciduous, orange-brown ; suture profound, subcanaliculate 

 in the last whoil ; periphery subnngulate ; last whorl not de- 

 scending ; its base subplanate, costulate; interior bluish white. 



Diam. 12, alt. 5 mill. N. Caledonia. 



