MARINE ISOPODA OF NEW ENGLAND, ETC. 



405 



scribed and figured by Heller on the head of P. arctica,j and the flagel- 

 lar segments of both pairs of antennae distinguish it from P. costana 

 Bate and Westwood-I 



This species was dredged by Dr. Stirapson "on a shelly and some- 

 what muddy bottom in twenty fathoms off the northern jjoint of Duck 

 Island,'' Bay of Fandy. It is rare south of Cape Cod, but was taken 

 in Vineyard Sound ! by the Fish Commission in 1871 ; also on St. George's 

 Bank!, in 110 fathoms, mud and sand; Gulf of Maine!, down to 115 

 fathoms; Bay of Fundy!, down to 80 fathoms on muddy, shelly, and 

 sandy bottoms; and off Nova Scotia!, 59 fathoms, pebbles, sand and 

 rocks, and at other localities as detailed below. It was dredged by 

 Mr. Whiteaves in 200 fathoms in the Gulf of Saint Lawrence, between 

 Anticosti and the mainland of Gasp6. 



Specimens examined. 



2081 



2082 

 1365 

 2083 

 2084 

 2087 



2088 



2086 



2095 

 2097 

 2091 



2092 

 2093 

 2094 

 2096 



2098 



Locality. 



Vineyard Sound 



Gnlf of Maine, east from 



Cape Ann 140 miles. 

 Gulf of Maine, southeast 



J east from Cape Ann 13 



miles. 

 Gulf of Maine, ne 



Brown's Bank. 

 George's Bank 



Gulf of Maine, ofi Ports- 

 mouth 22 to 28 miles. 

 Gulf of Maine 



Casco Bay, 20 miles 



southeast of Cape 



Elizabeth. 

 Gulf of Maine, 27 miles 



off Portland. 



Casco Bay 



Gulf of Maine, 17 miles 



southeast of Monhegan 



Island. 



Eastport, Me , 



do 



Bay of Eundy, between 



Head Harbor and 



Wolves. 



Off Head Harbor 



Bay of Fundy 



do 



Bay of Fundy, Grand 



Menan, New Bruns- 

 wick. 

 Southeast from Cape 



Sable 18 to 22 miles. 



115 

 53 



82 



110 



30-92 



65 



60 

 75-80 



77 



56-59 



Bottom. 



When col- 

 lected. 



Gravel 



Mud and stones 



Rocks and bar- 

 nacles. 

 Bro^vTi mud .... 



Soft mud . 



Mud, sand, and 



gravel. 

 Mud 



Brown mud . 



Mud 



Sand and shells 



Sand, gravel, and 

 Btones. 



—,1871 



,1877 



,1878 



,1877 



,1872 



—1874 



,1874 



Aug. 12, 1873 



Aug. 26, 1873 



—1873 



,1873 



,1870 



,1872 



Aug. 16, 1872 



,1872 



,1872 



Aug. 10, 1872 

 ,1870 



— , 1877 



Received from— 



TJ.S.FishCom 

 ...do 



do 



.do 



Packard and 



Cooke. 

 U.S.FishCom, 



.do 

 do 



...do 



do 

 do 



A. E. Verrill.. 

 U.S.FishCom. 

 ...do 



...do 



...do 



...do 



A. E. Verrill. 



U.S.FishCom. 



fz; B 



Dry. 

 Alo. 



Ale. 

 Alo. 



Ale. 



Ale. 

 Ale. 

 Ale. 

 Ale. 

 Alo. 



Ale. 



Ale. 

 Ale. 



Ale. 

 Ale. 

 Ale. 



Ale. 

 Alo. 

 Ale. 

 Ale. 



Ale. 



Ptilanthura Harger. 

 Ptilantliura Harger, Am. Jour. Sci., Ill, vol. xv, p. 376, 1878. 



Antennidse with the flagellum remarkably developed in the male, 

 multiarticulate; second and succeeding antennular segments provided 



+ Denkschrift, Acad. Wiss. Wien., B. xxxv, p. [14] 38, pi. iv, figs. 9-12, 1875. 

 t Brit. Sess. Crust., vol. ii, p. 165, 1866. 



