241 



Family Limnoriidce. 

 LiMNORiA LiGNORUM (Rathke). 



Cymothoa lignorum, Rathke (1799). 

 Limnoria terebrans, Leach (1813-14). 

 Limnoria lignorum, White (1857). 



Found by the U. S. Fish Commission, boring in submerged wood, in the 

 Bay of Fundy, in 1872 ; and at Halifax, N.S., in 1877 (Harger). It had 

 previously been taken by the writer (in 1869) in the Gulf of St. Lawrence, 

 in waterlogged wood dredged in Gaspe Bay. 



Family Girolanidce. 



CiROLANA POLITA (StimpSOn). 



jEga polita, Stimpson (185.3). 

 Conilera polita Harger (1874). 

 Cirolana polita, Harger (1879). 



" Dr. Stimpson's specimens were found on the fine sands at low-water 

 mark on High Duck Island in the Bay of Fundy, and the specimens that T 

 have examined are from Cape Cod Bay, from near Salem, Mass ; Georges 

 Banks, and east of Banquereau, or Quereau, latitude 40° 36' north, longitude 

 57° 12' west, where seven fine specimens were taken from a halibut 

 (Hippoglossus), June 2, 1879, by Capt. J. W. Collins. It appears to replace 

 C. concharum at the north " (Harger). 



Family jEgidos. 

 Mgx psora (L.). 



Oniscus psora, L. (1761) ; Pennant (1777) ; and O. Fabricius (1780). 

 .^a {Oniscus psora) Kroyer (1838). 

 ^Ega psora, Lilljeborg (1850) ; et auct. 



Banquereau, N.S., on halibut and codfish, schooners Marion and Rebecca 

 Bartlett, 1878; Grand Manan Bank, schooner Peter D. Smith, and U. S. 

 Fish Commission, 1878 ; Brown's Bank, N.S., on codfish, 1878 and 1879 

 (Harger). North shore of the Gulf of St. Lawrence, collected by Mr. W. 

 Couper in 1872, and identified at the time by the writer. It is probably 

 the species referred to by Packard as " ^Ega, sp. On the belly of cod taken 

 at Caribou Island".* Port Burwell, Cape Chudleigh, Hudson Strait, Bell, 

 1884 ; two specimens (S. I. Smith). West coast of Hudson Bay, off the 

 mouth of the Churchill River, in about 20 fathoms, Low, 1897 (Diana 

 exploring expedition). 



* Canadian Naturalist and (leologist, vol. vni., p. 419. 



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