CRUSTACEA. 49 



ARTHROSTRACA. ISOPODA. 



BOPYRIDAE. 



148. BoPYROiDES HippoLYTES (Kroyer), 



Bopyrus hippolytes Kroyer, K. Danske vid. selsk. natur. og 

 math, afh., 1838, vol. 7, p. 300 [78], pi. 4, fig. 22. Greenland 

 ON Hippolyte polaris. 



Bopyroides hippolytes G. O. Sars, Crust. Norway, 1898, vol. 

 2, p. 199, pi. 84, fig. 2. 



Parasitic on Spirontocaris spina, S. /abricii, S. liljeborgii, S. 

 pola7'is and /S. pusiola. 



From Bay of Fundy to Cape Cod, 22 to 160 fathoms. 



149. Probopyrus pandalicola (Packard). 



Bopyrus pandalicola Packard, Zoology for students and gen- 

 eral readers, 1879, p. 308, text-fig. 262. Locality not specified. 



Probopyrus ptalaemoyieticola Richardson, Proc. U. S. nat. mus., 

 1904, vol. 27, p. 06, figs. 41-43. 



On Palaemonetes vidgaris. 

 Mass.— Acushnet River. 

 R. I. — East Providence. 



150. Tone thompsoxi Richardson. 



lone thompsoni Richardson, Proc. U. S. nat. mus., 1904, vol. 

 27, p. 75, text-figs. 64-68. "North Falmouth, Massachu- 

 setts, * * * ON Callianassa stunjysoni." 



On Callianassa stimjisoni. 

 Mass. — North Falmouth. 



AMPHIPODA. 



VIBILIDAE. 



151. ViBiLiA viatrix Bovallius, 



Vibilia viatrix Bovallius, K. Svenska vet.-akad. handl., 1886 

 (1887), vol. 11, p. 9. "Atlantic." 



