450 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Station 893; 372 fatlioms; one specimen. 



N. monstrosa, the type of this remarkable genus, and heretofore the 

 only known species, was described from a single specimen, wanting 

 most of the anlenuulie and antenniie, dredged in Christiania Fiord, in 

 20 to 30 fathoms ; and G. O. Sars has recently recorded a single muti- 

 lated specimen, dredged in 1,215 fathoms, between Norway and Iceland, 

 by the Norwegian expedition of 187G. 



ISOPODA.* 



Janira alta Harger ex Stimpsou. 



Stations 865 to 807, 892 ; G5 to 487 fathoms. 



Munuopsis typica M. Sars. 

 Station 878; 142 fathoms. 



Cirolaua polita Harger ex Stimpson. 



Stations 871, 873, 876; 100 to 120 fathoms. 



Gnathia cerina Harger ex Stimpson. 

 Stations 865 to 867, 892 ; 65 to 487 fathoms. 



Syscenus infelix Harger, Marine Isopocla of New England, Report United States Fish 



Commission, vi, for 1878, p. 387, 1880. 



Stations 893 to 895 ; 238 to 372 fathoms. 



The following tabular synopsis of the known geographical distribution 

 and the bathymetrical range, as far as ascertained by the investigations 

 on our own coast, gives the principal facts in regard to the distribution 

 of the species, and it will also serve as a condensed list of the species 

 enumerated in the foregoing pages. In the first column the species are 

 checked which are known to occur in the Straits of Florida or anywhere 

 in the Caribbean region ; in the second, those known in the shallow 

 waters (under 30 fathoms) of the south coast of New England; in the 

 third, those known from any part of the region from Cai)e Cod to 

 Labrador; in the fourth, those known to occur in Greenland; in the 

 fifth, those known on the coasts of Northern Europe or in the eastein 

 part of the extreme North Atlantic; and in the sixtfi, those known from 

 the Mediterranean. 



* The Isopoda have been placed in Mr. Harger'a hands for determination, bnt he has 

 very kindly identified for me the few species here ennmei"ated, which, however, are 

 ^nly a part of the whole number obtained. 



