1893.] NATURAL SCIENCES OF PHILADELPHIA. 125 



P. canaliculatus Leach, 1815. 



Nika edulis Risso, 1816, and authors. 

 Nika variegata Risso, 1816. 

 Nika canaliculata Desmarest, 1825.' 

 Nica edulis Stimpson, 1860. 



Habitat. Seas of Europe. 



273. (Id) Nice, France. Guerin Collection. 



368. (7a) Nice, France. Guerin Collection. 



CRANGONIDAE Sp. Bate, 1887. 

 CRANGON Fabricius, 1798. 



C. crangon (Linnaeus, 1758.) 

 Cancer crangon Linnaeus, 1758. 

 Squilla cinerea Klein, 1754 (not binomial). 

 Astacus crangon Herbst, 1796. 

 C. vulgaris Fabricius, 1798, and authors. 

 C. rtifopunctatus Risso, 1816. 

 C. septemsjmiosus Say, 1818. 



Habitat. All seas. 



274 & 370. (Id & xa). Mediterranean. Guerin Collection. 



275. (2d) Pembrokeshire, Wales. E. Wilson. 



276. (Id) England. E. Wilson. 



277. (Id) Belfast Bay, Ireland. W. Thompson (in exchange). 



278. (2d) California. W. Stimpson. 



279. (3d) Salem, Massachusetts. Dr. T. H. Streets. 



280 & 372. (2d & 6a) No locality. Smithsonian Institution. 



369. (8a) No locality. No donor's name. 



371. (7a) Beasley's Point. New Jersey. S. Ashmead. 

 397. (3a) Coast of Massachusetts. U. S. Fish Commission. 



C franciscorum Stimpson, 1856. 



Habitat. Coast of California. 



373. (9a) San Francisco, California. W. Stimpson. 



374. (2a) No locality. Smithsonian Institution. 



375. (xa) San Francisco. California. E. H. Kelly. 

 C. tenuifrons Kingsley, 1882 (No. 377 type). 

 Habitat. Alaska. 



377. (2a) Marmot Isles, Alaska, 45 fathoms. Dr. W. H. Jones 

 (Kingsley's type). 



EGEON Risso, 1816. 

 Aegeon Kinahan, 1862. 



E. cataphractus (Olivi, 1792). 

 Cancer cataphractus Olivi, 1792. 



