﻿PYCXOGONIDA. ^j 



Besides the stations ineiitioucd l)y Hansen, 1. c, p. 23, from the soutli-western coast of Xo\-a 

 Zembla, the western coast of (.Treenland, tlie Finniark, and Kulk-n, it is found in the Zooloj^ical 

 Mnsenni also from tlie Davis Strait 65 35' Lat. X. 54 50' Lontj. W., 80 fath. (idem); the belt of rocks 

 and islands outside Frederikshaab, 25 fath. (idem, and Lnndbeck); in the I.redebugt (the Denmark 

 Strait) 9 fath. (the lieutenant Jensen); in the Ofjord (the (Greenland vSea) 15 fath. (Diana ). 



Distribution. The species is one of the most \videl\- spread P\cno<^-()nida, from the arctic 

 seas quite down into the Sound, and towards the west from the Davis Strait alon<^ the eastern coast 

 of America; it keeps, however, mostly nearer to the coast, and the depths are most frequenth' small, 

 rareh- more than 100 fath. 



3. Gen. Pallenopsis Wils., 1880. 

 Pallenopsis Wilson, Report P\cnoo-. Blake , 1880. 



Pallenopsis plumipes n. sp. 



PL. IV. Fig. 1—7. 

 Corpus sat robustum, glabrum. 



Collum vix ulhnn. 



Rostrum lougum, p'ercrassum, obconicum, ante medium uianifeste coustrictum. 



Tuber oculare parum altum, tumidum, apice olituso, recur\o, tuberculis minimis scabroso; ocelli parvi 



rotundi, maculis pigmentariis permagnis. 

 Segmentum caudale gracillimnm, productum, subc\lindricum, ad apicem vix clavatum, in obliquum 



erectum. 

 Chelifori sat longi, graciles, scapo manifeste bipartito; digiti lougiusculi, graciles, sat hiantcs, inermcs. 

 Palpi breves, solidi, acuminati. 



Pedes oviferi breves, absque ungue; pars terminalis pedum absque laminis. 

 Pedes gressorii- longi, longitudinem totam quater explentes, sat graciles, articidti ])riore tibiali pro parte, 



altero toto binis seriebus setarum longprum natatoriarinn iustructis. Unguis minus productus, 



sat gracilis, unguiculis au.xiliaril)us brevibus, gracillimis. 

 Long, tota 29""". I-lostri 9""". Corporis 13™'". vSegmenti caudalis 7""". 



The trunk rather ])lunip, sm(n)tli. 



The neck scarceh' conspicuous. 



The proboscis long, very thick, obconical, before the mitldle distinctly constricted. 



The oculiferous tubercle not high, swollen, the point rounded, bent backwards, roughened by very 



small knol:)s; the ocelli \-er\' small, n.uuul, the coloured spots \er\- large. 

 The caudal segment very sk-nder, \er\ long, almost cxliudrical, slighllv clavale towards the iioinl, 



obliquely erect. 



