504 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiii. 



Habitat. — West Indies; also Fiji Islands. 

 Depth. — Shallow water. 



II. LEPTOCHELIA DUBIA (Kr^yer). 



Tanais dubius Kr0yer, Nat. Tidsskr., IV, p. 178, pi. ii, figs. 20-22. 



Leptochelia edwardsii (male) Bate and Westwood, Brit. Sess. Crust., II, 1868, 

 p. 1.34. 



Tanais Jilum Harger, Report U. S. Commissioner of Fish and Fisheries, 1874, 

 Pt. 1, p. 573 (279). — Verrill, Report U. S. Commissioner of Fisli and Fish- 

 eries, 1-874, Pt. 1, p. 381 (87). 



Paratanais algicola (male) Harger, Am. Jour. Sci., XV, 1878, p. 377. 



Leptochelia algicola (male) Harger, Proc. U. S. Nat. Mus., II, 1879, p. 162; Report 

 U. S. Commissioner of Fish and Fisheries, 1880, Pt. 6, pp. 421-423, pis. xii, 

 fig. 80, and xiii, fig. 86. 



Leptochelia dubia Norman and Stebbing, Trans. Linn. Soc. Lond., XII, 1886, 

 pt. 4, p. 108. 



Habitat. — Noank, Connecticut; Woods Hole and Provincetown, Mas- 

 sachusetts; also Island of Guernsey, British Channel; Ireland; Atlan- 

 tic coast from Brittany to Senegal and Tenerifi'e; Mediterranean; 

 Brazil. 



Depth. — Surface to one-half fathom. 



12. LEPTOCHELIA (?) FILUM (Stimpson). 



Tanais Jilum Stimpson, Mar. Inv. Grand Manan, 1853, p. 43. — Harger, Am. 



Journ. Sci., XV, 1878, p. 378. 

 Leptochelia Jilum Harger, Proc. U. S. Nat. Mus., II, 1879, p. 164; Report U. S. 



Commissioner of Fish and Fisheries, 1880, Pt. 6, p. 427. 



Habitat. — Gulf of St. Lawrence. 

 Depth. — 8 fathoms. 



7. NEOTANAIS Beddard. 



13. NEOTANAIS AMERICANUS Beddard. 



Neotanais amencanus Beddard, Challenger Report, XVII, 1886, pp. 124, 125, 

 pi. XVI, figs. 4-6. 



Hahitat.—SovitheKst of New York; 38° 34' N. lat., 72- 10' W. long.; 

 also 35° 39' S. lat., .50° 47' W. long 

 Depth.— 1^'2'^Q fathoms 



Family II. APSEUDID.^. 



analytical key to the genera of apseudid^. 



a. Lower antennae with a scale articulated to the end of the second joint. Head and 

 first thoracic segment coalesced. 



h. Exopods present on both pairs of gnathopods . . 8. Apseudes. 



b'. Exopods absent on both pairs of gnathopods 9. Tgphlapseudes. 



a'. Lower antennae without a scale. Head and first two thoracic segments coa- 

 lesced 10. Sphyrapus. 



1 



