GASTEROPODA. 109 



Disfr., 8 sp. Northern seas. U. States, Greenland, ^lelville Island, Beh- 

 ring's Straits, N. Brit. 15—80 fms. 



Fossil, 1 sp. Miocene — . Brit. 



Pykula, Lam. Fig-shell. 



Etijm., diminntive oi pijms, a pear. 



Syn.i Ficula, Sw. Sycotypus, Br.,Cassidula, Humph. Cochlidimn, Gray. 



%?^, P. ficus. (PI. v.," fig. 0.) 



Shell pear-shaped ; spire short ; outer lip thin ; columella smooth : canal 

 long, open. No operculum in the typical species. 



Distr., 39 sp. W. Indies, Ceylon, Australia, China, W. America. 



Fossil, 30 sp. Neocomian — . Europe, India. Chile. 



Fyrula ficus has a broad foot, truncated and horned in front ; the mantle 

 forms lobes on the sides, which nearly meet over the back of the shell. 

 Chinese seas, in 17 — 35 fms. water. (Adams.) 



Suh-genera. Fulgur, Montf. P. perversa. (= Fyrella, Sw. P. spirillus.) 



Mapana, Schuni. P. bezoar, shell perforated. Operc. lamellar, nu- 

 cleus external. 



Myristica. Sw. P. melongena. PI. V,, fig. 7. Operc. pointed, curved. 

 Pusus, Lam. Spindle-shell. 



Syn., Coins, Humph. Leiotomus, Sw. Strepsidura, Sw. 



Type, P. coins. PL V., fig. 8. 



Shell fusiform ; spire many-whirled ; canal straight, long ; operculum 

 ovate, cm'ved, nucleus apical. PL V., fig. 9*. 



Bistr., 100 sp. "World-wide. The typical sp. are sub-tropical. Aus- 

 tralia, New Zealand, China, Senegal, U. States, W. America, Paciiic. 



Fossil, 320 sp. Bath oolite ? Gault— Eocene— . Brit. &c. 



Sub-genera, Trophon, Montf. P. magellanicus, PI. IV., fig. 16. 14 sp. 

 Antarctic and Northern seas. Brit, coast. 5 — 70 fathoms. Fossil, Chile, 

 Brit. 



Clavella, Sav. (cyrtulus, Hinds) body-whirl ventricose, suddenly con- 

 tracted in fi-ont ; canal long and straight. Resembling a turbinella, without 

 plaits. 2 sp. Marquesas, Panama. Fossil, Eocene. P. longa-vus (Solander), 

 Barton, &c. 



Chrysodomv.s, Sw. P. antiquus (var.) PI. V., fig. 9. Canal short ; ,apex 

 papillary; lingual dentition like buccinum, 12 sp. Spitzbergcn, Davis's 

 Straits, Brit., Medit., Kamschatka, Oregon. Low water to 100 fms. Fossil, 

 pliocene. Brit., Sicily. 



Ptisionella, Gray. P. pusio, L. sp. (=F. nifat. Lam.), colmnella keeled. 

 Operc, nucleus internjvl, 7 sp. Africa, India. Fossil, tertiary. Prance. 



Pusus colosseus and proboscidalis. Lam., are two of the largest living 

 gasteropods. Fusus [chrysodomHs) antiqiiv.s, called the red- whelk on the 

 coasts of the channel, and " Buckie" in Scotland, is extensively ctrcdged for 



