CRUSTACEA. 73 



ARTHROSTRACA. AMPHIPODA. 



PODOCERIDAE. 



229. PoDOCERUs FALCATus (Moutagu). 



Cancer Gamniarus falcatus Montagu, Trans. Linn. soc. Lon- 

 don, 1808, vol. 9, p. 100, pi. 5, fig. 2. "Torcross." 



Podocerus falcatus G. O. Sars, Crust. Norway, 1894, vol. 1, 

 p. 594, pi. 212. 



Mass. — Vineyard Sound, surface. Determined with doubt by 

 S. I. Smith. 



230. Podocerus marmoratus (Holmes) . 



Jassa marmorata Holmes, Amer. nat., 1903, vol. 37, p. 289. 

 " A. M. Arctic America to Hatteras." 



Mass. — Nahant; Woods Hole. 

 R. I. — Newport. 



231. Grubia coMPTxV (Smith) . 



Amphithoe compta Smith, Uept. U. S. commr. of fish & fish- 

 eries, pt. 1, for 1871-1872 (1873), p. 564 [270]. " North Caro 

 LixA TO Cape Cod." 



Common among eel-grass. 



From Cape Cod southward. Vineyard Sound, surface. 



232. Ericthoxius rubricor>t^is (Stimpson). * 



Cerap)us rtibricornis Stimpson, Mar. invert. Grand Manan, 

 1853, p. 46, pi. 8, fig. 33. "dredged abundantly on stems 

 OF BoltenicB in 20 f., rocks, off Moose Inlet, towards the 

 Seal Islands. * * * occurred sparingly in 10 f., off Cheney's 

 Head, and in 25 f., off Duck Island." Bate, Cat. Amphip. 

 Crust. Brit, mas., 1862, p. 265, pi. 45, fig. 4. 



Inhabits flexible tubes of fine mud and animal cement. 

 Me. — Bay of Fundy ; Casco Bay. 



