CRUSTACEA. 43 



ARTHROSTRACA. ISOPODA. 



ARCTURIDAE. 



129. ASTACILLA GRAXULATA (G. O. Sai'S). 



Leachia graniilata G. O. Sars, Arch. math, nat., Kristiania, 

 1877, vol. 2, p. 351 [251]. Lat. 64° 9' k., long. 1° 48' e., 412 

 FMS., STA. 18; lat. 64° 36' x., long. 10° 21.5' w., 299 fms., sta. 

 48. 



AstaciU'a granulata Harger, Rept. U. S. commr. of fish & fish- 

 eries, pt. 6, for 1878 (1880), p. 364, pis. 8 & 9, figs. 48-52. 



Georges Bank, on Primnoa. 



Off Marthas Vineyard, 291-640 fathoms. 



ASELLIDAE. 



130. Asellus communis Say. 



Asellus communis Say, Joiirn. acad. nat. sci. Phil., 1818, vol. 1, 



p. 427. "A VERY COMMON SPECIES IN OUR FRESH WATERS, 

 PARTICULARLY IN RIVULETS UNDER STONES. It IS FREQUENTLY 

 INTRODUCED WITH THE SCHUYLKILL WATER INTO PHILADEL- 

 PHIA." Harger, in Smith, Rept. U. S. commr. of fish &, fisheries, 

 pt. 2, for 1872-1873 (1874), p. 657, pi. 1, fig. 4. 



Mass. 



R. I. — Carolina (determination doubtful). 

 CoNX. — About New Haven. 



JANIRIDAE. 



131. Jaera albifrons Leach. 



Jaera albifrons Leach, Edinb. encyc, 1814, vol. 7, p. 434. 

 "Inhabits the British sea everywhere, under stones and 

 amongst fuci." Harger, Rept. Y. S. commr. of fish & fisheries, 

 pt. 6, for 1878 (1880), p. 315, pL 1, figs. 4-8. 



Among rocks, algae and rubbish, along shore. 

 Whole coast of New England. 



