CRUSTACEA. 55 



ARTHROSTRACA. AMPHIPODA. 



LYSIANASSIDAE. 



258. " Habitat ix libero mari, raro inter fucos, potissimum 

 ai) ostia riuorl'm ix fundo arenoso, non tamen numerosus." 

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

 92, pi. 32, fig. 2. 



Ma.ss. — Near Woods Hole (Holmes M.S.); oft' Marthas Vine- 

 yard, on trawl line. 



169. Lysianopsis alba Holmes. 



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

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

 U. S. national museum. 



Mass. — Woods Hole. 



POXTOPOREIIDAE. 



170. Pontoporeia femorata Kroyer. 



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

 1 53. " E mari Groenlakdi^e australi " G. O. Sars, Crust. 

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



Mass. — Salem Harbor, 5 fathoms. 



171. Haustorius arexarius (Slabber). 



Onisciis arenarius Slabber, Natuurkundige Verlustigingen, etc., 

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



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

 OHEREN." 



JIaustorius arenarius G. (). Sars, Crust. NorAvay, 1891, vol. 1, 

 p. 135, pi. 46. 



Burrows in sand at low-water mark. 



Mass. — Smith's Point, Beverly; Cai)e Cod; Tarpaulin Cove, 

 Naushon ; Vineyard Sound. 

 li. I. — Newport. 

 CoNX. — New Haven. 



