PYCNOGONIDA. 



(Fylla, Ryder); near Iceland, one Danish mile east of Seydisfjord, 135 fath., the bottom black ooze 

 (Wandel), and in the Faroe-Shetland Channel, 6i23' Lat. N. 5 04' Long. W. , 255 fath., bottom tempe- 

 rature o (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 until 62 58', 

 and the collections of the Museum till 61 23' Lat. N. that is to say, southeast of the Faroe Islands. 



6. Nymphon Sarsii n. sp. 



Tab. III. Fig. i 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 subaequalibus , conjunctis longitudinem articuli 



tertii fere explentibus. 



Pedes oviferi sat longi, ungue paucidentato. 

 Pedes gressorii breves, crassi, articulis tarsalibus subsequalibus , 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, dimidiarn longitudinem unguis fere explentibus. 

 Long, tota 9,6 mm . Rostri 2,8 mrn . Corporis 5,3' nm . Segmenti caudalis i,5 ram . 



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. 

 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 



