7 

 GENUS VEXILLA (SWAINSON) 



183. Vexilla taeniata (Powis), Philippines to Paumotus, 

 Sandwich Is. 



184. Vexilla vexillum (Chem.), Philippines, Sandwich Is. 



GENUS RICINULA (LAM.) 



65. Ricinula hystrix (Linn.), Sandwich Is., Fiji Is., Pau- 

 motus. 



66. Ricinula hystrix. Var, clathrata (Lam.), Central 

 Pacific. 



67. Ricinula iodostoma (Lesson), Tahiti, Sts. of Macas- 

 sar, New Zealand. 



68. Ricinula horrida (Lam.), Philippines to Sandwich Is. 



69. Ricinula ricinus (Linn.), Red Sea, Benguela, Natal, 

 Guinea, Japan, Philippines, New Zealand, Polynessa. 



70. Ricinula digitata (Lam.), Central Pacific Isles. 



71. Ricinula digitata, Var., lobata (Blainv.), Central Pa- 

 cific Isles. 



SUB-GENUS SISTRUM (MONTF.) 



72. Ricinula morus (Lam.), Polynesia. 



73. Ricinula morus, Var., stratus (Pease), Paumotus. 



74. Ricinula tuberculatus (Blainv.), Japan, Philippines 

 to Sandwich Isles. 



185. Ricinula Anaxares (Duclos), Natal, Australia, Pau- 

 motus. 



GEMS MONOCEROS (LAM.) 



82. Monoceros municatum (Brod.), Panama to Mazatlan. 



83. Monoceros lugubre (Sowb.) Pacific and Gulf Coasts 

 of Lower California. 



1 08. Monoceros calcar (Martyn), Cape Horn to Chili. 



GENUS CONCHOLEPAS (LAM.) 



84. Concholepas Peruvianus (Lam.), W. C. of South 

 America from Peru to Patagonia. 



GENUS CUMA (HUMPH.) 



85. Cuma carinisera (Lam.), Philippines, Ascension Is., 

 St. Helena. 



86. Cuma coronata (Lam.), West Coast of Africa. 



GENUS RAPANA (SCHUM.) 



109. Rapana bulbosa (Sol.) China, Japan, Philippines. 



