1 10 UNIVALVES. MUREX. 



Spinosus Spiny-frog. Lampas Granulated. 



*Gyrinus Whirled. Scrobilator Violet-throated. 



Bufonius Toad-shap'd. Reticularis Reticulated. 



FAMILY 2. -With two subalternate varices. 

 Argus Argus. Candisatus Mottled. 



Olearium Oil-jar. Maculosus Spotted. 



Rubecula Footman. Spengleri Spengler's. 



Femorale Triangular. Pyrum Pear. 



Lotorium Angulated. Clavator Club-shap'd. 



Pileare Nodulous. Caudatus CaudatecL 



Dolarium Narrow- belt. 



FAMILY 3. With a single varix. 



Parthenopus Tawny-yellow. Clandestinus Double-lipp'd. 

 Cutaceus Rough-skin. Lyratus Lyre-shaped. 



DIVISION V. SHELL WITH UNEQUALLY GIBBOUS WHIRLS, 



DECUSSATED RIBS, AND THE APERTURE SURROUNDED 

 BY A THIN DILATED MEMBRANE. 



Anus Grimace Whelk. Mulus Mule. 



DIVISION VI. SHELL SOMEWHAT SPINOUS, AND WITHOUT 



A BEAK. 



Ricinus Spur. Hippocastanum-jf/orse-c/i'es?^. 



Nodus Chesnut. Sacellum Corded. 



Neritoideus Mulberry. Nodatus Knobbed. 



Finibriatus Seal-skin. Lacerus Carinated. 



Hystrix Porcupine. Virgatus Nodulous. 



Mancinella Mancinella. Columbarium White- belted. 

 Senticosus Cancellated. 



DIVISION VII. SHELL NODULOUS, OR LONGITUDINALLY 



PLAITED, WITH A SHORT BEAK. 



Plicatus Plaited. Undatus Waved. 



Morbosus Diseased. Fiscellum Short-beak' d. 



Consul Ventricose. Dubius Doubtful. 



Fenestratus Latticed. 



