866 The American Naturalist. [ October, 
2d. Trapezia ferruginea maculata (Macleay), 1838. 
Distribution: Red Sea; Zanzibar; Glorioso Group and 
Amirantes; Rodriguez; Ceylon; New Caledonia; Samoa; 
Tahiti; Sandwich Islands; west coas€ of Mexico: Socorro 
Islands. 
2e. Trapezia ferruginea areolata Dana, 1852. 
Distribution: Ceylon ; Nicobares; Java; Celebes; Amboina ; 
Sulu Sea; Loo Choo Islands; New Caledonia; Fiji; Samoa 
Islands; Tahiti. 
3a. ER rufopunctata (Herbst), 1799. 
Distribution: East Africa: Dar-es-Salaam; Ceylon; Tuti- 
corin; Java; Philippines: Samboangan ; Amboina; Samoa ; 
Tahiti; Marquesas ; Sandwich Islands. 
3b. Trapezia rufopunctata flavopunctata Eydoux et Souleyet, 
1841 
Distribation. Mauritius ; Ness Caledonia ; Tahiti; Sandwich 
Islands. 
4a. Trapezia digitalis Latreille, 1825. 
Distribution: Red Sea; Mauritius; Marquesas Islands; west 
coast of Central America ; Panama Bay: Pearl Islands: Ver- 
agua; Cape St. Lucas. 
4b. Trapezia digitalis speciosa Dana, 1852. 
Distribution : Mauritius; Paumotu Islands. 
4c. Trapezia digitalis bella Dana, 1852. 
Distribution : Paumotu Islands. 
Tetralia Dana, 1852. 
1. Tetralia glaberrima (Herbst), 1790. | 
Distribution: Red Sea; Zanzibar; Dar-es-Salaam; Ibo; 
Natal; Madagascar; Nossi Bé; Rodrighes : Amirantes ; Sey- 
chelles ; Southern India ; Java: Hong Kong; Loo Choo Is- 
lands ; Amboina; New Caledonin ; Fiji; Tongatabu ; Tahiti ;. 
Paumotu ; Marquesas Islands. 
Quadrella Dana, 1852. 
1. Quadrella coronata Dana, 1852. : 
Distribution: Indian Ocean; Providence Island ; Sulu Sea; 
Panama Bay: Pearl Islands, between pearl shells. 
