568 



BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



Bopyroides acutimarginatux STIMPSON, Proc. Acad. Nat. Sci. Phila., 1864, p. 156. 



Gyge hippolytes BATE and WESTWOOD, Brit. Sess. Crust., II, 1868, p. 230. MIERS, 

 Ann. Mag. Nat. Hist. (4), XIX, 1877, p. 64 (14). SMITH in HARGER, Proc. 

 U. S. Nat. Mus., II, 1879, p. 157. HARGER, Rep. U. S. Fish Comm., 1880, 

 Pt. 6, p. 311. HANSEX, Videnskabelige Meddelelser fra den naturhistoriskt- 

 Forening i Kj0benhavn, 1887-88, p. 197. AXEL OHLIX, Akademisk Afhand- 

 ling, XXII, 1895, p. 19. 



FIG. 629. BOPYROIDES HIPPOLYTES. FIRST INCUBATORY LAMELLA OF SPECIMENS FOUND ON: a, SPIR- 



ONTOCARIS LAMELLICORNIA FROM PORT TOWN3END BAY, WASHINGTON. X Hi. 5, SPIRONTOCARIS 

 POLARIS FROM ABERDORE CHANNEL. X 15J. C, SPIRONTOCARIS POLARIS FROM GRAND MENAN, NEW 



BRUNSWICK, x 15}. d, SPIRONTOCARISSPINUS FROM OFF NORTH HEAD, AKUTAN PASS, ALASKA, x 77^. 



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 BONXIER, 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. Circumpolar in distribution. 



Atlantic coast localities: Massachusetts, Bay of Salem, on Spironto- 

 caris spinus, S. fabricii, and 8. liljeborqii; Casco Bay, on S. polaris 



FIG. 630. BOPYROIDES HIPPOLYTES. FIRST LAMELLA OF MARSUPIUM FROM SPECIMENS FOUND ON: a, 

 SFIBONTOCARIS SPINUS FROM EASTPORT, MAINE, x 14. 6, SPIRONTOCARIS SPINUS FROM BAY OF 

 ISLANDS, ADAKH, ALASKA, x 23. c, SPIRONTOCARIS SECURIFRONS FROM THE HAWAIIAN ISLANDS. 

 V, SPIRONTOCARIS SPINUS FROM BAY OF ISLANDS, ADAKH, ALASKA, x 23. 



and S. pusiola; Bay of Fundy, on S. spinus and S.pusiola; Halifax, 

 Nova Scotia; Gulf of Maine, on S. liljeborgiisind /S. spinus; Eastport, 

 Maine, on S. spinus; off Cape Cod, on S. liljeborgii; latitude 73 48' 

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



