﻿CRUSTACICA MALACOSTKACA. 



109 



Occurrence. Hitherto this species has oiil\- once l)een taken by tlie "Thor". 

 South-West of the Fieroes: 61° 15' N. L., 9'' 35' W. L., 450 — 500 fni.; 4 spec. 



Distribution. Hitherto only known from localities west of Ireland where it was taken 

 several times in depths from 180 to 3S2 fm. (Holt & Tattersall). 



22. Pseudomma roseum C C). Sars. 



PI. V, fig. 2 a — 2 b. 



1870. Pseudomma roseum ('.. O. vSans, Forh. Vid. vSelsk. Christiania f. Aar 1869, p. 154. 

 ! 1870. — — G. O. Sars, Mon. Norges Mysider, I, p. 54, Tab. IV. 



Occurrence. The "Ingolf" has twice taken this species. 



Davis Straits: St. 35: 65° 16' N. L., 55° 05' W. L., 362 fm., temp. 3-6°; i spec. 

 - - - 27: 64° 54' - 55° 10' - 393 - - 3-8°; 4 - 



It has al.so been obtained at other localities; at the first named it was taken by Admiral 

 Wandel, at the others by the "Thor". 



Davis Straits: 66° 49' N. L., 56° 28' W. L., 235 fm., temp. 4-4"; i spec. 



South of Iceland: 63° 05' N. L., 20° 07' W. L., 300 fm.; 5 spec. 



South-West of the Faroes: 61° 15' N. L., 9' 35' W. L., 450—500 fm.; 9 spec. 

 — - — 61" 08' — 9° 28' — 434 fm.; 3 spec. 



Distribution, ka P. frigid nm n. .sp. has to be separated as a distinct species from P. roseum, 

 the distribution offers .some difficulties, as Sars has mixed the two species and it is not always po.ssible 

 to determine with certainty to which of them the .specimens from certain of the localities mentioned 

 in the literature have belonged. It is certainly this species, which Sars has had before him from 

 localities on southern and western Norway up to West Fimuark, 100—450 fm. The specimens luentioned 

 by S. I. Smith as taken at New England, at ca. 40° N. L., 500 fm. and in the Gulf of Maine, 105 fm., 

 probably belong to this .species likewi.se, and it is not unlikely that his specimens taken in the t'Tulf 

 of St. Lawrence in no and 210 fm. also belong here. Specimens given from distinctly arctic localities 

 all belong probably to P. frigidiun and are mentioned luider that species. Holt &. TattersalTs state- 

 ment in 1905 of the occurrence of P. roscnin in localities west of Ireland lias arisen from an error 

 which the authors corrected in their subsequent paper published in 1906. 



23. Pseudomma frigidum n. .sp. 



Pl.V, fig. 5 a- 3 b. 



Description. Stands extremely near to P. roseum, but is much larger, the adult female of 

 the latter species being only ca. 15 mm. long whilst two females of P. frigidum (from "Ingolf" St. 138) 

 measure 25-2 mm. froui the anterior edge of the eye-plate to the end of the tcLson; the single male I 

 have is 23 mm. But the species may be even larger, as Ohlin gives 28 nnu. for the female, 24 mm. 

 for the male. The eye-plate (fig. 3 a) is almost as in /'. roseum, but the scrrulation is a little less 

 developed. The antennal scpiama (fig. 3 b) offers a prominent characteristic: the smooth part of the 



