MARINE ISOPODA OF NEW ENGLAND, ETC. 



413 



but hivS Praniza BeinJiardi differs in its proportions of the antennary 

 segments from G. cerina. 



This species was described by Dr. Stimpsou from females " dredged 

 on gravelly and coralline bottoms in 20-30 fathoms in the Hake Bay," 

 and males " dredged on a sandy bottom in 10 fathoms off Cheney's 

 Head," Grand Menan, in the Bay of Fundy. It has been collected by 

 the U. S. Fish Commission in Massachusetts Bay !, off Salem, 22-50 

 fathoms, gravel and soft mud -, Gulf of Maine !, at several localities ; Casco 

 Bay !, 50 fathoms ; Bay of Fundy !, in many localities, 10 to GO fathoms, 

 rocks, stones, and mud, and young specimens have been taken adhering 

 to codfish and the sculpiu. It was dredged by Mr. J. F. Whiteaves in 

 the Gulf of St. Lawrence!, in 220 fathoms, mud. Further details in 

 regard to localities are given in the subjoined table. 



Specimens examined. 



2108 

 2109 

 2121 

 2110 



2107 



2111 

 2112 

 2113 

 2115 

 2117 



2114 

 2116 

 2118 

 2119 



2122 



Locality. 



Massachusetts Bay, 3 



miles S. E. Nahant. 

 Massachusetts Bay, 



off Salem E. S. E. 



9 to 11 miles. 

 Massachusetts 



off Salem E. S. E' 



8 to 9 miles. 

 Massachusetts 



off Salem- E. 



6 to 7 miles. 

 Massachusetts 



off Salem E. S. E! 



11 to 13 miles. 

 Gulf of Maine, S. E. J 



S. from Cape Ann, 



6 to 7 miles. 

 Gulf of Maine be- 

 tween Cape Ann and 



Isle of Shoals. 



Casco Bay , 



do 



Bay, 



Bay, 

 S. t). 



Bay, 



Eastport, Mo 



do 



do 



Bay of Fundy . . 



do 



do 



Bay of Fnndy, 

 Head Harbor. 



Bay of Fnndy 



Off Sable Island 



Gulf of Saint Lawrence 



off 



Bottom. 



22 



33 

 25-26 

 4.5-50 

 54-60 

 27-36 



50 



10-20 



25-30 



"46" 



60 

 160 

 220 



Mud 



Gravel, stones. 



When col- 

 lected. 



Aug. 31, 1879 

 ,1877 



Mud 



Gravel, stones - i 



1 

 I 



Mud I 



Sand, mud j 



...,do 



Eocky. 



On 8culpin,&c. 



On Lophohelia. 

 Mud 



,1877 

 ,1877 

 ,1877 

 ,1878 

 ,1874 



Aug. 



6, 1873 

 — , 1873 

 — , 1873 

 — , 1872 

 — , 1872 

 — , 1868 

 — , 1872 

 — , 1872 

 — , 1872 

 — , 1872 



1870-'72 

 ,1878 



Received from — 



Speci- 

 mens. 



No. 



J. H. Emerton. 

 U.S. Fish Com. 



....do 



...do 



...do 



....do 



....do 



...do 



....do 



....do 



....do 



...do 



A.E. VerriU .. 

 H.S.FishCom 



....do 



....do 



....do 



A. E. VerriU... 

 U. S. Fish Com. 

 J. F.Whiteavea 



Sex. 



? 





I- 



d" 

 d 



Dry. 

 Alo. 



Ale. 

 Ale. 



? ! Ale. 



Ale. 

 Ale. 

 Ale. 

 Ale. 



Ale. 

 Ale. 

 Ale. 

 Ale. 

 Ale. 

 Ale. 

 Ale. 

 Alo. 

 Ale. 

 Ale. 



Ale. 

 Ale. 

 Ale. 



XIV.— TANAID^. 



Eespiration cephalothoracic, taking place in a cavity beneath the 

 walls of the united head and first thoracic segment j eyes, when present, 

 articulated ; antennular flagellum single ; first pair of legs enlarged and 

 more or less perfectly chelate; pleopods natatory, ciliated, not branchial j 

 nropods, terete, terminal, with at least one jointed ramus. 



