UNIVALVES— MUREX. 135 
Scientific Name. Locality. Common Name. 
Melanomathos -- East Indian Seas ----- ++ Black-spined M. 
Lamellosus ----- Straits of Magellan ---- Lamellar -- do -- 
Clathratus ------ Iceland, Norway ------- Ribbed --- do -- 
Erinaceus --+--- Britain, Mediterranean -- Rough ridg’d do 
Gala iscie spss Bast Indies tacts ne = oer Ladder --- do.-- 
Drvyiston IV.—Shell with thick protuberant rounded varices. 
Famity 1.—With two opposite varices. 
Rana +--+ ++ +--+. Africa, China, Amboyna Frog ----+ do -- 
Crassus ----+-+- Madagascar -----++-++-++ Thick frog do -- 
Spinosus -------- Tranquebar ----+-++---++-+ Spiny frog do - 
Gyrinus -------- Scotland, Mediterranean, 
lini soononoedacensos Whaorled -- do - 
Bufonius --.----- South Seas -------+-- - ‘Toad shap’d do -- 
Lampas -------- Mediterranean, Madagas- 
car, East Indies <---> Granulated do -- 
Scrobilator ----- Mediterranean, Senegal - Violet throated do 
Reticularis ---+-- Carolina, West Indies, 
Mediterranean ---+-- Reticulated do -- 
Famity 2.—-With two subalternate varices. 
AIgus +++++++0 -» Amboyna, Mediterranean Argus ---- do -: 
Olearium -+°<+:- Africa, Mediterranean, 
South of Europe ---- Qil jar --- do-- 
Rubecula -----.-- Pea) Qa seb eoapoesacc Footman -- do -- 
Femorale ------ Guinea, E.& W.Indies- Triangular do -- 
Lotorium ------ Jamaica, Amboyna -+-- Angulated do -- 
Pileare ---.----. Mediterranean ----+---« Nodulous - do -- 
. OOTIGIRA MR eaeeeo | SonborsebaSs bender eeeee Mottled -- do-- 
Maculosus --..-.- Amboyna, Mauritius ---- Spotted --- do -- 
Spengleri ------ New South Wales:--»-- Spengler’s- do -- 
Pyrum Sassoon Coromandel -----+-+++> Pear ----- do - 
Olavator-e-is)0<1< Ceylon Mlayetsvefeletaterersiehelerote Club shap'd do ;- 
Caudatus --+--+. Coromandel --+-c++++> « Caudated - do-- 
Dolarium .-+-<«- Portugal -+++++ +++ se+» Narrow belt da-- 
