Land, Fresh- Water, and Marine Crustacea. 357 



Genus (98) Dermatomyzon, Claus, 1889. 



242. Dermatomyzon nigripes (Brady and Robertson). 



1876. Cyclopicera nigripes, B. and R., Brit. Assoc. Kept, for 1875, 



p. 197. 

 1880. ,, ,, Brady, I. c, vol. iii. p. 54, pi. lxxxix. 



figs. 1-11. 

 1892. ,, „ T. Scott, Tenth F. B. Rept., pt. iii. 



p. 267. 



Hab. — Collected in the neighbourhood of May Island in 

 1892. Dredged at Station I. on 30th August 1894, and 

 subsequently captured at a few other places, but always very 

 sparingly. 



Genus (9.9) Rhynchomyzon, Giesbrecht, 1895. 



243. Rhynchomyzon pnrpurocinctum (T. Scott). 



1893 Cyclopicera purpurocincta, T. Scott, Eleventh F. B. Rept., 

 pt. iii. p. 209, pi. iii. figs. 29-40. 



Hab. — Dredged on the " Eath ground," to the north of the 

 Bass Kock, on 20th November 1889, and off the east side of 

 Inchkeith on 23rd May 1901. This species, which appears 

 to be rare in the Forth estuary, has a wide distribution, 

 having been recorded not only from various parts of the 

 British seas, but also from the Gulf of Naples. 



Genus (100) Collocheres, Canu, 1893. 



244. Collocheres gracilicauda (G. S. Brady). 



1880. Cyclopicera gracilicauda, Brady, I. c, vol. iii. p. 58, pi. 

 lxxxiii. figs. 1-10. 



Hab. — Dredged off St Monans; rare. 



Genus (101) Scottomyzon, Giesbrecht, 1897. 



245. Scottomyzon gibberum (T. and A. Scott). 



1894. Dermatomyzon gibberum, T. and A. Scott, Ann. and Mag. 



Nat. Hist. (6), vol xii. p. 144, 

 pi. ix. figs. 10-14. 



1894. ,, „ T. Scott, Twelfth F. B. Rept., 



pt. iii. p. 260, pi. x. figs. 26-34. 



Hab. — Dredged in the neighbourhood of the Bass Eock in 



