40 FAUNA OF NEW ENGLAND. 



ARTHROSTRACA. ISOPODA. 



IDOTHEIDAE. 



119. Chirtdotea coeca (Say). 



Idotea coeca Say, Journ. aead. nat. sci. Phil., 1818, vol. 1, p. 



424. "COAST OF THE UxiTED StaTES.'' 



CIdr idotea coeca Harger, Kept. U. S. conimr. of fish & fish- 

 eries, pt. 6, for 1878 (1880), p. m><, pi. 4, figs. 16-19. 



On sandy beaches, below high tide, or bun-ows just under the 

 surface ; also swims with facility. 



Mass. — Xahant; Cohasset; Provincetown ; Vineyard Sound; 

 Tarpaulin Cove, Xaushon ; Nantucket. 



Conn. — New Haven and other localities. 



120. Chikidotea tuftsii (Stirapson). 



Idotaea tuftsii Stimpson, Mar. invert. (Trand Manan, 1S.33, 



p. 39. "DREDGED OX A SAXDY B0TT0:N[ IN 10 FATHOMS, OFF 



Cheney's Head" [Grand Manan]. 



Chiridotea tuftsii Harger, Eept. U. S. comnir. of fish & fish- 

 eries, pt. 6, for 1878 (1880), p. 340, pis. 4 & 5, figs. 20-23. 



Me. — Eastport; Casco Bay. 



Mass. — Gloucester Harbor; off Boston Harbor; Stellwagen 

 Bank. 



Conn. — Off New London. 

 Low water to 17 fathoms. 



121. Idothea marina (Linne). 



Oniscus marinus Linne, Syst. nat., ed. 10, 1758, vol. 1, p. G37. 

 "in Oceano Norvegico." 



Idotea irrorata Hargei-, Kept. U. S. conimr. of fish cfe fisheries, 

 pt. 1, for 1871-1872 (1873), p. 569 [275], pi. 5, tig. 23. 



Among algae, stones, etc. Low water to 10 fathoms. 

 From ])av of Fundv to western end of Long Island Sound. 



