180 PROCEEDINGS OF THE ACADEMY OF [1895. 



Inst. XIV, 1882, p. 129, pi.. 1, fig. 5. Carus, Prodrom, faun, mediterr. I. 



1884. p. 482. Henderson, Decap. and Schizop. Crust. Firth of Clyde, 1886, 



p. 32. Bate, Challenger Macrur. 1888, p. 484. Ortniann, Zool. Jahrb. V, 



1890, p. 530. 

 Crangon rubropunctatus Risso, Hist. Nat. Crust. Nice, 1816, p. 83. Eisso, 



Hist. Nat. Europ. me'rid. Y, 1826, p. 65. 

 Crangon septemspi)iosus Say, Jour. Acad. Nat. Sei., Philadelphia, I, 2. 1818, 



p. 246. Dekay, Zool. New York, Crust. 1844, p. 25, pi. 8, fig. 24. 

 Crangon maculo sus Rathke, Mem. Acad. St. Petersburg, Sav. étr., III. 1837, 



p. 366. 



Geographical distribution: Northern circumpolar (?), but more 

 boreal than arctic, extending considerably southward. Northern 

 Atlantic: European coasts, northward to Iceland, and northeastern 

 coast of America, southward to Virginia and N. Carolina. Northern 

 Pacific: Japan, Yokosuka (Bate) and Bay of Tokio (Ortmann). 

 Litoral, very shallow water. 



10b. Crangon crangon affinis de Haan, 1849. 



Crangon vulgaris Owen, Crust. Zool. Beechey's Yoy. Blossom, 1839, p. 87. 



Dana, U. S. Explor. Exped. Crust. 1852, p. 536. Murdoch. Bep. Pol. Exped. 



Point Barrow, 1885, p. 138. 

 Crangon affinis de Haan, Faun. Japon. Crust. Dec. 6, 1849, p. 183. Bate, 



Challenger Macrur. 1888, p. 484, pi. 86, fig. 1-3. Ortmann, Zoolog. 'Jahrb. 



V, 1890, p. 531. 

 Crangon nigricauda Stimpson, Proceed. Calif. Acad. Sei., I, 2, 1856, p. 89. 



Stimpson, Boston Jour. Nat. Hist. YI, 1857, p. 496, pi. 22. fig. 6., Stimpson 



Proceed. Acad. Nat. Sei., Philadelphia, 1860, p. 25. Kingsley, Bull. Essex 



Inst. X, 1878, p. 54. Lockington, ibid. p. 159. 

 Crangon propinqnus Stimpson, Proceed. Acad. Nat. Sei.. Philadelphia, 1860, 



p. 25. 

 Crangon nigromaculata Lockington, Proceed. Calif. Acad. Sei., 111,1876, p. 



34. 

 Crangon alaskensis Lockington, ibid. 



Geographical distribution : Northern Pacific, somewhat deeper 

 water. Japan (de Haan): Kobe Bay and Inland Sea, 15-50 fath. 

 (Bate), Maizuru (Ortmann), northern Japan, 4-20 fath. (Stimp- 

 son); Alaska: Mutiny Bay (Lockington), Norton Sound, 5 fath. 

 (Murdoch); Puget Sound (Dana); Mouth of Columbia river 

 (Stimpson); California, in deeper water than Cr. franciscorum 

 (Stimpson): Tomales Bay (Stimpson), San Francisco (Dana, Stimp- 

 son), Monterey (Owen), San Diego (Lockington). 



10c. Crangon crangon allmanni Kinahan, 1862. 



Crangon allmanni Kinahan, Proceed. R. I. Acad., Dublin, VIII, 1862, pp. 68, 

 71, pi. 4. Kinahan, Trans. E. I. Acad. Vol. 24, 1871. p. 64. Metzger, 

 Jahresber. Commiss. Unters, deutsch. Meere. II, III, 1875, p. 290. Meinert, 

 Naturh. Tidsskr. (3) XI. 1877, p. 198. G. O. Sars, Arch. Math. Naturv. 

 II, 1877, p. 339. G. O. Sars, Christiania Vid. Selsk. Forh. 1882, p. 44. G. 

 O. Sars, Den Norsk. Nordh. Exp., Zool., Crust II, 1886, p. 6. Henderson, 

 Decap. Schiz. Crust. Firth of Clvde. 1886, p. 33. Ortmann, Zoolog. Jahrb. 

 V. 1890, p. 532. Scott, Annal. Mag. Nat. Hist. (6) XIII, 1894, p. 413. 



Geogri(j)1iic(d distribution: Northern Europe, somewhat deeper 



