﻿rg PYCNOGONIDA. 



Tlie chelifori rather long, slender, the scape distinctly two-jointed, the fingers rather long, slender, 



somewhat gaping, without teeth. 

 The palps short, unjointed, tapering. 



The ovigeroiis legs short, without claw; the terminal point without dermal leaves. 

 The ambulatory legs long, four times the total length, rather slender, the first tibial joint partly, the 



second one in the whole length provided with two series of long natator\- bristles. The claw 



not \'ery long, rather slender, with short, very slender auxiliar)- claws. 

 Total length 29""". The proboscis 9""". The trunk 13""". The caudal segment 7""". 



Occurrence. The Ingolf-station 47, in the north-eastern Atlantic, 61 32' Lat. N. 13" 40' Long. W. 

 depth 950 fath. The bottom gray clay with Globigerina shells and a temperature of 3"23. One 

 sing-le female. 



For elucidating the genus Pallcnopsis^ and the species of Kro\er Pnll. flitiiiincnsis tliat has 

 been nuich discussed, I shall here, relying on the original .specimen of the museum, give some par- 

 ticulars, starting with a new diagnosis of the species. 



Pallenopsis fiuminensis Kr. 



PI. \'. Fig. T- 6. 



Phoxichilidium fluminense Kroyer, Kundsk. Pycnog., 1844, pp. 104 and 124. Tab. I. Fig. i, a-f. 



- — Hoek, Report Pycnog. Challenger , 1881, p. 81. PI. XIV. Fig. 1-4. 



Pallene fiuminensis Semper, Pycnog. Larvenf., 1874, p. 282. 



— — Bohm, Pycnog. Berl, 1S79, p. 180. Tab. I. Pig. 4, 4 a-f. 



Pallenopsis fiuminensis Wilson, Report P>cnog. Blake^, 1882, p. 250. 



— Schimkewitsch, Pantop. Vettor Pisani*, 1890, p. 14 (339). Fig. 24-31. 



Corpus sat robustiun, glabrum. 



Collum perbreve. 



Rostrum breviu.sculuni, crassiusculum, in medio vix constrictum. 



Ttiber oculare sat altum, erectum, subconicum, ad apicem paulum attenuatum; ocelli perparvi, rotundi. 



Segmentum caudale crassiusculum, minus productuni, in obliquum erectum. 



Chelifori breviusculi, sat robusti, scapo subsolido, ;egerrime partito; digiti perbreves, crassi, vix liiantes. 



Palpi perbreve.s, solidi, obtusi. 



Pedes oviferi bre\-es, absque ungue. 



Pedes gressorii breviusculi, crassiusculi ; ductus glandarius in articulo quarto maris brevi.s. Unguis sat 



brevis atque robustus, unguiculis auxiliariis sat robustis, dimidiam longitudineni unguis paulum 



excedentibus. 

 Long, tota 7,1""". Rostri i,7™"\ Corporis 4,3""". Segmenti caudalis 2"'"'. 



