48 PYCNOGONIDA 



2. Subfam. Pallenini. 

 Palpi deficientes vel immirmti. 



The palps wanting or rudimentary. 



i. Gen. Pallene (Johnst.). 



Palleue Wilson; Syn. Pycnog. New-Engl., 1878. 

 Sars, Pycnogonidea, 1891. 



r. Pallene acus n. sp. 



PI. IV. Fig. 8 13. 

 Corpus subgracile. 



Collum breve. 



Rostrum crassum. 



Tuber oculare altum, acutissimum, erectum, paulum curvatum, absque ocellis. 



Segmentum caudale magnum, in obliquum erectum. 



Pedes oviferi longi; pars terminalis pedum laminis latis, ovalibus 10 12 instructa. 



Pedes gressorii longi, articulo altero tarsali in margine interiore acie angusta, longa instructo. Unguis 



permagnus, validus, quartas partes articuli alterius tarsalis fere explens, unguiculis auxiliaribus 



gracilibus, tertiam partem longitudinis unguis fere referentibus. 

 Long, tota 3 mm . Rostri o,65 mm . Corporis 2,2 mm . Segmenti caudalis o,5 mm . 



The trunk rather slender. 



The neck short. 



The proboscis thick. 



The oculiferous tubercle high, very pointed, erect, a little curved, without ocelli. 



The caudal segment large, obliquely erect. 



The ovigerous legs long; the terminal part with 10 to 12 broad, oval leaves. 



The ambulatory legs long, the inner edge of the second tarsal joint with a long, narrow cutting-blade. 



The claw very large, powerful, about four fifths of the length of the second tarsal joint, with 



slender auxiliary claws, of about one third of the length of the claw. 

 Total length 3""". The proboscis o,65 mm . The trunk 2,2 mm . The caudal segment 0,5". 



The cutting edge or blade (acies) that in this species and the following one is mentioned as 

 proceeding from the inner margin of the second tarsal joint, corresponds to a similar formation on 

 the same tarsal joint in Phoxichilidium pctiolatum, which is drawn by Han sen, Zoolog. Dan., 1885, 

 pi. VII, fig. 22 c. c., and in the explanation of the figtires, p. IX, called a ciitting edge on the lower 

 margin of this; in the text, p. 130, it is called <a cutting ridge formed like the blade of a knife*. 



