48 PYCNOGONIDA 
2. Subfam. Pallenini. 
Palpi deficientes vel imminuti. 
The palps wanting or rudimentary. 
1. Gen. Pallene (Johnst.). 
Pallene Wilson; Syn. Pycnog. New-Engl., 1878. 
Sars, Pycnogonidea, 1891. 
1. Pallene acus n. sp. 
P]. 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 37m, Rostri 0,65”, Corporis 2,2mm, Segmenti caudalis 0,5mm, 
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 Io 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 3mm, The proboscis 0,65mm, The trunk 2,2mm, The caudal segment o,5mm, 
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 Phoxrchilidium petiolatum, which is drawn by Hansen, Zoolog. Dan., 1885, 
pl. VII, fig. 22 c.c., and in the explanation of the figures, p. IX, called «a cutting 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». 
