CRUSTACEA. 55 



ARTHEOSTHACA. AMPHIPODA. 



LYSIANASSIDAE. 



258. "Habitat in hbero mari, raro inter fucos, potissimum 

 ad ostia riuorum in fundo arenoso, non tamen numerosus." 

 Hoplonyx cicada G. O. Sars, Crust. Norway, 1891, vol. 1, p. 

 92, pi. 32, fig. 2. 



Mass. — Near Woods Hole (Holmes MS.); off Marthas Vine- 

 yard, on trawl line. 



169. Lysianopsis alba Holmes. 



Lysiano2ysis alba Holmes, Amer. nat., 1903, vol. 37, p. 276. 

 "m. Cape Cod to Hatteras." Types from Woods Hole in 

 U. S. national museum. 



Mass. — Woods Hole. 



PONTOPOREIIDAE. 



170. PoNTOPOREiA FEMORATA Kroyer. 



Pontoporeia femorata Kroyer, Naturh. tidssk., 1842, vol. 4, p. 

 153. "E MARI Groenlandi.e australi " G. O. Sars, Ci'ust. 

 Norway, 1891, vol. 1, p. 123, pi. 41, fig. 1. 



Mass. — Salem Harbor, 5 fathoms. 



171. Haustorius arenarius (Slabber). 



Oniscus arenarius Slabber, Natuurkundige Veiiustigingen, etc., 

 1769, p. 92, pi. 11, figs. 3-4. {Arenarius in index, arenatius on 



p. 92.) "DORPE OOST-KAPPELLE, OP HET ElLAND VAN WaL- 

 OHEREN." 



Haustorius arenarius G. O. Sars, Crust. Norway, 1891, \o\. 1, 

 p. 135, pi. 46. 



Burrows in sand at low- water mark. 



Mass. — Smith's Point, Beverly; Cape Cod; Tarpaulin Cove, 

 Naushon ; Vineyard Sound. 

 K. I. — Newport. 

 Conn. — New Haven. 



