338 Canon A. H. Norman on 



in the Firtli of Clyde, where also it has been found hy 

 Mr. D. liobertson. Gair Loch in Loch Fyne, Firth of Forth, 

 and Moray Firth [T. Scott). 



Distrih. Naples and Messina, and in a few places on the 

 west of Norway in G-20 fath. [G. 0. Sars). 



Genus 7. Steongylura, G. 0. Sars. 



22. Strongylura arctophylax, Norman & SteLbing. 



188G. Stro7ujyh(ra arctophylax, Noriiian & Stebbiug, (86) p. 116, pi. xxiv. 



fig. ;5. 



Hah. The type and only known specimen was procured in 

 the ' Porcupine ' dredgings of 1&69 at Stat 30, lat. 56° 24' N., 

 long. 11° 49' ^Y. (that is, between Leland and Rockall), 

 in 1380 fath. 



Genus 8. Pseudotanais, G. O. Sars. 



23. Pseudotanais for cipatus (Lilljeborg). 



1864. Tanais forcipatus, Lilljeborg, (61) p. 16. 



1880. Pseudotanais forcijxitus, G. O. Sars, (101) p. 46. 



1896. Pseudotanais forcipatus, G. O. Sars, (105) p. 40, pi. xvii. fig. 1. 



Hah. Tarbert Bank in Loch Fyne ; Guillam Bank in 

 Moray Firth (T. 6'co«) ; Smith Bank, Moray Firth [F. G. 

 Pearcey, fide Scott) . 



Distrih. Klosterelv Fiord, East Finmark, whicli is close 

 upon the frontiers of Russia {A. M. N.). Sars has found it 

 "along the whole Norwegian coast, as far north as Kvalij." 

 Bohusliin, Sweden {Lilljehorg) ; Oresund, Denmark {Mei- 

 nert) . 



Ihis is not Paratanais forcipatus, Bate and Westwood, for 

 which see under Paratanais Batel^ G. 0. Sars. 



I add a list of North-Atlantic and Arctic Chelifera, which 

 may prove useful to students, as supplying them with informa- 

 tion respecting our present knowledge of the northern species 

 of these Crustacea, and references where descriptions of them 

 may be found. 



Isopoda Chelifera of North Atlantic and Arctic Oceans 

 not known in British Seas. 



Apseudes uncidigitatus, Norman & Stehbing (86). — Mediterranean. 

 oltusifrons, Nor. & Stcbb. (86). — Near Gibraltar. 



