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ORDER OPISTHOBRANCHIATA. 



Sub-Order Tectibranchiata, Section Cephalaspidea, Family 

 Actaeonidae (Fischer), Genus Actaeon (Montfort), Section 

 Actaeon (Montfort). 



941. Actaeon tornatilis (Linn.), Med. and Adriatic Seas, 

 Atlantic from Norway to Morocco. 



GENUS SOLIDULA 



941 1-2 Solidula solidula (L.), Cagayan, Mindanao, Phil. 

 941 3-4 Solidula sulcata (Gmel.), Phil., Seychelles, Maur., 

 Red S., N. E. Austr., Sing., Forres St. 



GENUS BULLINA (FERUSSAC) 



942. Bullina scabra (Gmelin), Java, Maur., Poly., Austr., 

 N. Zeal., Sandw. I., Japan. 



FAMILY SCAPHANDRIDAE (FISCHER) 

 Genus Scaphander (Montfort) 



943. Scaphander lignarius (Linn.), Med. S., At. O., 

 from Norway to Gibralter. 



GENUS ATYS (MONTFORT) 



Sub-Genus Atys (Montfort) 



944. Atys nancum (Linn.), Sing., Borneo, and Phil., 

 Forres Sts., Viti Is., Red S., Madag. 



SECTION ALICULA (EHREUB.) 



945. Atys cylindrica (Helbling), Phil., Forres Sts., Fiji 

 Is., Ceylon, Red. S., Maur., and Seychelles. 



FAMILY BULLIDAE (AUCT.) [PILSBRY] 

 Genus Bulla (Linn.) 



946. Bulla occidentalis (A. AD.), W. I., Flor., Bahamas 

 Trinidad, Vera Cruz. 



947. Bulla gouldiana (Pilsbry), San Diego, Cal., Cape 

 St. Lucas, W. Mexico and Mazatlan. 



948. Bulla ampulla (Linn.), Viti and Eiji Is., Phil.. Red 

 S.. Seychelles, Madag., Maur. 



949. Bulla ampulla Var :-bifasciata (Menke.), Fiji Is., 

 Moluccas, Phil. 



950. Bulla austral is (Gray) [Quoy and Gaimard] Var :- 

 oblonga (A. Ad.), Phil, and Isle of Aunaa, Port Jackson. 



