12. Murex ternispina (Lam.), Indian Ocean, Japan, 

 China. 



13. Murex brevispina ^Lam.), Red Sea, Northern Aus- 

 tralia, South Africa. 



14. Murex recurvirostris (Brod.), West Indies, West 

 Coast of Central America. 



15. Murex haustellum (Linn.), Red Sea, Philippines, 

 China. 



SUB-GENUS PTERONOTUS (SWAINSON). 



16. Murex triqueter (Born), Red Sea, Paumotus Is. 



17. Murex triformis (Reeve), Port Lincoln, Australia. 



18. Murex acanthopterus (Lam.), Watson's Bay, N. S. 

 Wales. 



19. Murex hemitripterus (Lam.), Senegambia. 



20. Murex pinnatus (Wood), Chinese Seas. 



SUB-GENUS CHICOREUS (MONTF.) 



21. Murex palma-rosae (Lam.), Indian Ocean. 



22. Murex torrefaclus, (Sowb.), China. 



23. Murex adustus (Lam.),- Indian Ocean, Philippines, 

 Japan. 



24. Murex Penchinata ( ?) (Croese), Liu Tschiu Is. 



25. Murex anguliferus (Lam.), Red Sea, Indian Ocean, 

 Isle of Bourbon. 



107 Murex Senegalensis (Gmel.), Senegal, Rio Janeiro. 



26. Murex ramosus (Linn.), Red Sea, Indian Ocean, 

 Hong Kong, Australia, Central Pacific Ocean. 



27. Murex elongatus (Lam.), Indian Ocean, China. 



28. Murex brevifrons (Lam.), Red Sea, Indian Ocean, 

 China, Brazil, West Indies. 



29. Murex pomum (Gmel.), West Indies. 

 SUB-GENUS RHINOCANTHA (H. & A. AD.) 



30. Murex brandaris (Linn.), Mediterranean, West Coast 

 of Africa. 



31. Murex cornutus (Linn.), West Coast of Africa. 

 SUB-GENUS PHYLLONOTUS (SWAINSON.) 



32. Murex rosarium (Chemn.), Senegal, Fernando Po. 



33. Murex regius (Wood), Panama to Mazatlan. 



34. Murex bicolor (Val.), Panama to Guaymas. 



