12 
21 M. plicata. Klein. Labuan. 
22 M. pontificalis. Lamarck. Island of Annaa. 
23 M. spherulata. Martyn. Philippines. 
24 M. stigmataria. Lamarck. Mauritius. 
25 M. vulpecula, var. al Labuan. 
Gxenus.—MARGINELLA. Lamarck, 1799. 
1 M. angustata, var. Sowerby. Indian Ocean. 
2 M. cornea. Lamarck. Senegal, W. Africa, 
3 M. cylindracea. ? Sandwich Islands. M. Robillard. 
4 M, prunum. Gmelin. a Panama. 
b Senegal. 
5 M. quinqueplicata. Lamarck. Indian Ocean.* 
Grenus.—ERATO. Risso, 1826. 
1 E. Maugerie. Gray. Panama. 
Faminy 2,—COLUMBELLIN &. 
Genvus.—COLUMBELLA. Lamarck, 1799. 
1 C. avara. Say. Bay of Massachu- 
setts. 
2 C. discors. Gmelin. Philippines. 
3 C. Duclosiana. Sowerby. Malacca. 
4 C. flava. Bruguiere. Hab. ? 
5 C. fulgurans. Lamarck. Philippines. 
6 C. levigata. Linneus. Ceylon. Dr. W. Traill. 
7 C. mendicaria. Lamarck. a Indian Seas. 
6 Port Blair, An- Dr. Walters. 
damans. 
8 C. mercatoria. Linneus. West Indies. 
9 C. nitida. Lamarck. 5 
10 C. pardalina. ¥ Philippines. 
11 C. rustica. Linneus. Dalmatia. 
12 C. teniata. ? Adams and  Borneo.* 
Reeve 
13 C. Terpsichore. Sowerby. a Ceylon.* * 
bNorthernCirears. SirW.Denison. 
14 C. varians. 4 Tahiti. M. Robillard. 
15 C. versicolor. BS Philippines. 
Faminy 13.—HARPID. 
Genus.—HARPA. Lamarck, 1799. 
1 H. minor. Rumphius. a Philippines. 
6 Port Blair, An- Dr, Walters. 
damans. 
