38 PYCNOGONIDA. 
(«Fylla», Ryder); near Iceland, one Danish mile east of Seydisfjord, 135 fath., the bottom black ooze 
(Wandel), and in the Far&e-Shetland Channel, 617 23' Lat. N. 57 04" Long. W., 255 fath., bottom tempe- 
rature 0” (idem). 
Distribution. Sars, Pycnogonidea, 1891, p. 100, regards this species as a genuine arctic 
form, found to the south till off Storeggen, 63? 10' Lat. N. The Ingolf carries it southward uutil 62% 58, 
and the collections of the Museum till 61? 23/ Lat. N. that is to say, southeast of the Farée Islands. 
6. Nymphon Sarsii n. sp. 
Tab. III. Fig. 1—6. 
Junior (poris genitalibus nullis). 
Corpus subrobustum. 
Collum breve. 
Tuber oculare sat altum, robustum, inerme; ocelli magni, rotundati, in lateribus contingentes, anteriores 
posterioribus paulo majores. 
Segmentum caudale breviusculum, paulum curvatum atque nutans. 
Chelifori sat graciles, scapo longiusculo, quam chela multo longiore; chela breviuscula, palma longius- 
cula quam pollice paulo longiore. 
Palpi breves, articulis binis ultimis crassis, longitudine subæqualibus, conjunctis longitudinem articuli 
tertii fere explentibus. 
Pedes oviferi sat longi, ungue paucidentato. 
Pedes gressorii breves, Crassi, articulis tarsalibus subæqualibus, conjunctis tertiam partem longitudinis 
articuli alterius tibialis explentibus, articulo altero tarsali serie aculeorum longorum in duabus 
partibus marginis interioris instructo. Unguis brevis, crassiusculus, unguiculis auxiliaribus sat 
gracilibus, dimidiam longitudinem unguis fere explentibus. 
Long. tota 9,6rm, Rostri 2,8mm, Corporis 5,37", Segmenti caudalis 1,57". 
The trunk rather robust. 
The neck short. 
The oculiferous tubercle rather high, robust, rounded, without teeth; the ocelli large, round, touching 
each other at the sides, the foremost a little larger than the hindmost. i 
The caudal segment rather short, a little bent, and directed downward. 
The chelifori rather slender, the scape somewhat long, much longer than the chela; the chela rather 
short, the palm somewhat lengthened, a little longer than the movable finger. 
The palps short, the two last joints thick, of about equal length, both joints together about as long 
as the third joint. 
The ovigerous legs rather long, the claw with only few teeth. 
The ambulatory legs short, thick, the tarsal joints about equally long, taken together as long as one 
third of the second tibial joint; the second tarsal joint with a series of long thorns along the 
