20 T. umbilicatus. 
21 T. vividus. 
Grnvus.—CLANCULUS. 
1 C. Pharaonis. 
Pennant. 
Reeve. 
Linpeeus. 
Britain. 
Port Blair, An- 
damans. 
Montfort, 1810. 
Red Sea. 
Genus.—MONODONTA. Lamarck, 1799. 
1 M. angulata. 
2 M. labio. 
3 M. turbinata. 
Adams. 
Lamarck. 
Gmelin. 
Jamaica. 
Atlantic Ocean. 
France. 
Dr. Walters.* 
M. Robillard. 
Genus.—ZIZYPHINUS, Gray, 1840. 
1 Z. conuloides. Lamarck. Britain.* 
2 Z. Tranquebaricus. Chemnitz. Vizagapatam. Major Frazer.* 
Genus.—ELENCHUS. Humphrey, 1797. 
1 E. badius. Wood. South Australia. 
Genus.—BANKIVIA. Beck, 1848. 
1 B. purpurascens. Deshayes. South Australia. 
Grnus.—TROCHISCUS. Sowerby, 1838. 
1 T. Norrisii. Sowerby. Vancouver's Island. 
Genus.—_MARGARITA, Leach, 1819. 
1 M. undulata. Sowerby. North Seas. 
Trise 7.—STOMATELLIN. 
Genus.—_STOMATELLA. Lamarck, 1809, 
1 S. imbricata. Lamarck. Australia. 
Famity 3,—HALIOTIDA. Fleming, 1829. 
Genus.—HALIOTIS. JZinneus, 1740. 
1 H. asinina. Linneus. Port Blair, An- Dr, Walters. 
damans. 
2 H. excavata. Lamarck. a 
9 
3 H. iris. Gwelin. Kangaroo Island, 
Australia. 
4 H. Mide. Linneus. Cape of Good 
Hope.* 
5 H. revelata. ? Reunion. M. Robillard. 
6 H., semistriata, Reeve. Ceylon. 
7 H. squamata. oy West Australia. | SirW,Denison 
8 H. tuberculata. Linneus. Guernsey. 
