568 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



Bopi/roides acutimarglnatus Stimfson, Proc. Acad. Nat. Sci. Phila., 1864, p. 156. 



Gyge hippolytes Bate and Westwood, Brit. Sess. Crust., II, 1868, ]>. 230. — Miers, 

 Ann. Mag. Nat. Hist. (4), XIX, 1877, p. 64 (14).— Smith in Harger, Proc. 

 IT. S. Nat. Mus., II, 1879, p. 157.— Harger, Rep. IT. 8. Fif^h Comin., 1880, 

 Pt. 6, p. 311. — Hansen, Videnskabelige Meddelelser fra den naturhistoriske 

 Forening i KJ0benhavn, 1887-88, \). 197. — Axel Ohlin, Akadeniisk Afliand- 

 ling, XXII, 1895, p. 19. 



Fig. 629.— Bopyroides hippch.ytes. First incubatory lamella of specimens found on: a, Spir- 

 ontocaris lamellicornia from Port Townsend Bay, Washington, x Hi. h, Spirontocaris 



POLARI.S FROM ABERDORE CHANNEL. X X'^h C, SPIRONTOCARIS POLARIS FROM GRAND MENAN, NEW 



Brunswick, x 15^. d, Spirontocarisspinus from off North Head, Akutan Pass, Alaska, xlli. 



Bopyroides hippolytes G. O. Sars, Crust, of Norway, II, 1899, pp. 199-200, pi. 



Lxxxiv, fig. 2. — Bonnier, Travaux de la Station Zool. de Wimereux, "VIII, 



1900, pp. 373-375. 

 Bopyroides sarsi Bonnier, Travaux de la station Zool. de Wimereux, pp. 376-377. 

 Bopyroides sp. Bonnier, Travaux de la station Zool. de "Wimereux, p. 378. 

 Bopyroides hippolytes Richardson, Proc. U. S. Nat. Mus., XXIII, 1901, p. 578; 



Bull. U. S. Fish Comm., XXIV, 1905, pp. 218-219. 



Localities. — Circiimpolar in distribution. 



Atlantic coast localities: Massachusetts, Bay of Salem, on Sj)iro7}to- 

 caris sjjiiitrs.^ S. fabiHc'ii., and 8. liljehorgi'i; Casco Ba3% on -S'. polaris 



Fig. 630.— Bopyroides hippolytes. First lamella of marsupium from specimens found on; a, 

 Spirontocaris spinus from Eastport, Maine, x 14^. h, Spirontocaris spinus from Bay of 

 Islands, Adakh, Alaska, x 23. c, Spirontocaris securifrons from the Hawaiian Islands. 

 ?>', Spirontocaris spinus from Bay' of Islands, Adakh, Alaska, x 23. 



and 8. pusiola; Bay of Fundy, on S. apinuH and S. pusiola; Halifax, 

 Nova Scotia; Gulf of Maine, on A\ /iIjebo7'(/ii and S. sj)lnuf<; Eastport, 

 Maine, on S. spinus; oil' Cape Cod, on S. liJjehorgii; latitude 73^' 48' 

 north, longitude 80*^ 30' west, on S. polaris; latitude 72" 33' north, 



