122 PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Idotea phosphorea Harger, luv. V. S. , p. 5G9, 1874. 



Occasioiuilly foiiud swimming at the surface in Proviucetown Har- 

 bor, aud also upon the beach, with stranded sea-weeds. 



Epelys trilobus (Say) Smith, luv. V. S. , p. 571, pi. vi, fig. 28, 1874. Harger, Proc. U. S. 

 Nat. Mas., vol. ii, p. 160, 1879. 



Moderately abundant; shore, between tides, and in the eel-grass, one- 

 half fathom; only specimens of small to medium size were met with. 



Sphaeroma quadridentatum Say. Harger, Proc. U. S. Nat. Mus., vol. ii, p. ICl, 1879. 

 Abundant, but only specimens of small size were obtained; low 

 water and between tides on the shore and flats, and upon eel-grass, in 

 one-half fathom. 



Limnoria lignorum (Rathke) White. Harger, Proc. U. S. Nat. Mus., vol. ii, p. 161, 



1879. 



In piles of old wharves, in comjiany with Leptochelia algicola and 

 Chelura terebrans. 



Leptochelia algicola Harger, Proc. U. S. Nat. Mus., vol. ii, p. 162, 1879. — Paratanais 

 algicola Harger, Am. Journ. Sci., Ill, vol. xv, p. 377, 1878. 



Very abundant at low water, on eel-grass, in one-half fathom, and 

 in old i^iles, associated with Limnoria lignorum and Chelura. 



Leptochelia cosca Harger, Proc. U. S. Nat. Mus., vol. ii, p. 164, 1879. 



A single specimen only of this species was recognized among the shore 

 collections. 



CIRRIPEDIA. 



Balauus balanoides (Linnd) Stimp., Mar. luv. of Grand Manan, p. 39, 1853. Smith, 

 Inv.V.S.,p.579,1874. 



Common on piles of wharves, on shells, stones, and wood on the 

 beaches, and occasionally found on floating fucus. On the piles it was 

 usually of small size, but on stones lying on the beaches it often exceeded 

 half an inch in diameter. 



Lepas fascicularis Ellis and Sol. Smith, Inv. V. S., p. 579, 1874. 

 On floating fucus in the harbor. 



ANNELIDA. 



Lepidonotus squamatus Leach. Verrill, Invertebrate Animals of Vineyard Sound, 



p. 581, pi. 10, figs. 40, 41, 1874. 



On the piles of wharves. 



Harmothoe imbricata Malmg. Ver. , Inv. V. S. , p. 582, 1874. 

 Piles of wharves. 



Sigalion arenicola Ver., Proc. U. S. Nat. Mus., vol. ii, p. 167, 1879. 

 Shore, in sand, at low water. 



Sthenelais picta Ver., Inv. V. S., p. 582, 1874; Proc. U. S. Nat. Mus., vol, ii, p. 167, 1879. 



Shore, in sand, at low water. 



