54 



brata of Mass., 1841, p. 331. Gibbes, Proc. Amer. Assoc. Adv. ScL, 

 1851, iii, p. 195. Smith, Kep. U. S. Fish Comm., 1871-2, p. 551, pi. 

 Ill, f. 10. Kingsley, Proc. Phil. Acad., 1878, p. 89. Crangon septem- 

 spinosus Say, Jour. Phila. Acad., 1818, i, p. 246. Dekay, N. Y. Fauna, 

 Crustacea, 1844, p. 25, pi. viii, f. 24. 



North Carolina to Labrador and Europe. 



2. Crangon alaskensis Lockington, Proc. Cal. Acad., 1876. 

 Alaska. 



Having only extras of Mr. Lockingtou's papers (the 

 volume containing them not being yet issued) , I am not 

 able to quote the pages on which his descriptions occur. 



3. Crangon nigricauda Stimpson, Proc. Cal. Acad., 1855, i, p. 

 89; Jour. Bost. Soc. Nat. Hist., 1857, vi, p. 496, pi. XXII, f. 6; Proc. 

 Phila. Acad., 1860, p. 25. Streets and Kingsley, Bulletin Essex Inst., 

 1877, ix, p. 108. Crangon vulgaris Owen, Beechey's Voyage, 1839, p. 

 S7. Dana, U. S. Expl. Ex. Crust., 1852, p. 536. Crangon nigromacu- 

 lata Lockington, Proc. Cal. Acad., 1876, p. . Steiracrangon nigri- 

 cauda Kiuahan, Proc. Roy. Irish Acad., 1868, p. 68. 



California to Washington Territory. 

 (I am inclined to consider the three species above as 

 the same, but need larger series to decide.) 



4. Crangon franciscorum Stimpson, Proc. Cal. Acad., 1855, i, 

 p. 89; Jour. B. S. N. H., 1857, vi, p. 495, pi. XXII, f. 5; Proc. Phila. 

 Acad., 1830, p. 25. 



California to Washington Territory. 



5. Crangon munitus Dana, U. S. Expl. Ex. Crust., 1852, p. 536, 

 pi. XXXIII, f. 5. Stimpson, Jour. B. S. N. H., 1857, vi, p. 497. Chera- 

 philus munitus Kinahan, Proc. Roy. Irish Acad., 1868, p. 68. 



Washington Territory. 



6. Crangon boreas Fabricius, SuppL Ent. Syst., 1798, p. 410. 

 Edwards, Hist. Nat. des Crust., 1837, ii, p. 342. Kroyer, Naturhisto- 

 risk Tidsskrift, 1842-3, iv, p. 218, pi. IV, f. 1-14. Dekay, N. Y. Fauna, 

 Crustacea, 1844, p. 26. Stimpson, Invert. Gd. Menan, 1853, p. 58; 

 Proc. Phila. Acad., 1860, p. 25. Cancer boreas Phipps, Voyage, North 



Pole, 1774, p. 190, pi. XII, f. i. Astacus boreas Olivier, Encyc. 

 Methodique, v, p. 346. Cancer homaroides O. Fabricius, Fauna Gron- 



