UNIVALVES. STROMBUS. 105 



produce many species of this genus; and the Mediterra- 

 nean, Red, and Arctic seas, only a few. 



STROMBUS Winged or Claw-shell. 

 DIVISION I. SHELL WITH LINEAR SEGMENTS, OR CLAWS AT 



THE MARGIN OF THE OUTER LIP. 



Chiragra DeviFs-claw. Purpureus Purple-mouth. 



Scorpius Scorpion. Elongatus Lengthened. 



Lambis Spider. Truncatus Truncated. 



Millepeda Millepede. *Pes-pelicani Pelican' s-foot. 



DIVISION II. SHELL WITH THE OUTER LIP MUCH EX- 

 PANDED. 



FAMILY 1. With the margin of the outer lip thickened or lobed. 



Gigas Giant. Papilio Butterfly. 



Accipiter Heavy. Auris-Dianaa Diana? s-ear. 



Gailus Plough. Pacifica Pacific. 



Tricornis Thwe-horn'd. Granulatus Granulated. 



Pugilis Thick-spin' d. Polyfasciatus Many banded. 



Fasciatus Banded. Luhuanus Luhoe. 



Lentiginosus Pink-lipped. Canarium Partridge. 



FAMILY 2. With the outer lip curved inwards. 

 Latissimus Broad-winged. Laciniatus Sinuated. 



FAMILY 3. Spire elevated, and outer lip rounded and short. 

 Vittatus Ribbon. Epidromis Mainsail. 



Sulcatus Sulcated. 



FAMILY 4. With both lips pointed, and attached to the whirls of 



the spire. 



Marginatus Margined. Minimus Least, 



Accin^tus Girdled. 



DIVISION III. SHELL SMOOTH OR PLAITED, OUTER LIP 



STRIATED WITHIN, AND BUT SLIGHTLY EXPANDED. 



Gibberulus Pouter. Urceus Pitcher. 



F3 



