52 PYCNOGONIDA. 
The chelifori rather long, slender, the scape distinctly two-jointed, the fingers rather long, slender, 
somewhat gaping, without teeth. 
The palps short, unjointed, tapering. 
The ovigerous 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 natatory bristles. The claw 
not very long, rather slender, with short, very slender auxiliary claws. 
Fotalllensthssonrserher probe herun RE he candasses men ea 
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 3723. One 
single female. 
For elucidating the genus 2a//enmopsis, and the species of Krøyer Pa/ll. /fluminensis that has 
been much 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 fliuminensis Kr. 
Pl. V. Fig. 1—6. 
Phoxichilidium fluminense Krøyer, Kundsk. Pycnog., 1844, pp. 104 and 124. Tab. I. Fig. 1, a-f. 
= — Hoek, Report Pycnog. «Challenger», 1881, p. 81. Pl. XIV. Fig. 1-4. 
Pallene fluminensis Semper, Pycnog. Larvenf., 1874, p. 282. 
— — Bøhm, Pycnog. Berl., 1879, p. 180. Tab. I. Fig. 4, 4 a-f. 
Pallenopsis fluminensis Wilson, Report Pycnog. «Blake», 1882, p. 250. 
— — Schimkéwitsch, Pantop. «Vettor Pisani», 1890, p. 14 (339). Fig. 24-31. 
Corpus sat robustum, glabrum. 
Collum perbreve. 
Rostrum brevitusculum, crassiusculum, in medio vix constrictum. 
Tuber oculare sat altum, erectum, subconicum, ad apicem paulum attenuatum; ocelli perparvi, rotundi. 
Segmentum caudale crassiusculum, minus productum, in obliquum erectum. i 
Chelifori breviusculi, sat robusti, scapo subsolido, ægerrime partito; digiti perbreves, crassi, vix hiantes. 
Palpi perbreves, solidi, obtusi. 
Pedes oviferi breves, absque ungue. 
Pedes gressorii breviusculi, crassiusculi; ductus glandarius in articulo quarto maris brevis. Unguis sat 
brevis atque robustus, unguiculis auxiliariis sat robustis, dimidiam longitudinem unguis paulum 
excedentibus. 
Tong. tota 7,127. Rostri1,7rm. Corporis 4371 Seo ment caudalis 277] 
