192 COPEPODA. 



ASTEROCHERES BoECKI (Brady). 



1880. Artotrof/us Boeckii, Brady, \ol. iii. p. 60, pi. xci. figs. 1-9. 

 1899. Asterocheres Boecki, Giesbrecht, Die Aslerocheriden, pp. 70, 

 100, pi. i. fig. 2 ; pi. ii. figs. 22-81. 



With A. echinicola in the gathering from the mouth of the 

 River Yealm, 1889, and in another from Salcombe collected 

 on September 8th, 1903 ; apparently rare. 



ASTEROCHERES SUBERITIS, Giesbrecht. 



1897. Asterocheres suberitis, Giesbrecht, Zool. Anzeiger, Bd. 20, 



pp. 9-14, 17-24. 

 1899. Asterocheres suleritii, Giesbrecht, Die Asterocheriden, pp. 1. 6, 



70, 100, pi. ii. figs. 1-17. 



This species occurred in a gathering from Salcombe 

 collected on September 8th, 1903. Its usual habitat is the 

 water-passages of Suberites domuncula, and probably also of 

 other sponges. 



DERMATOMYZON NIGRIPES (Brady & Robertson). 



1876. Cyclopicera niyripcs, Brady & Robertson, Brit. Assoc. Kept, for 



1875, p. 197 (no description). 



1880. Cyclopicera niyripvs, Brady, vol. iii. p. 54, pi. Ixxxix. figs. 1-11. 

 1899. DennntomyzQii nigripes, Giesbrecht, Die Asterocherideii, 



pp. 7, 9, 77, 102, pi. i. tig. 4; pi. v. figs. 1-14. 



Salcombe in June 1 % 875, and at the mouth of the River 

 Yealm in August 1889 ; also more recently collected in 

 Plymouth Sound. 



RHYNCHOMYZON PURPUROCINCTUM (T. Scott). 



1893. Cyclopicera purpurocincta, T. Scott, llth Kept. Fishery 

 Board for Scotland, pt. iii. p. 239, pi. iii. figs. 29-40. 



1899. jRhynchomyzon purpurocinclum, Giesbrecht, Die Astero- 

 cheriden, pp. 10, 11, 74, 102, pi. i. tig. 11; pi. v. tigs. 41-46 ; 

 pi. x. fig. 23 ; pi. xi. figs. 1, 4-16, 29. 



A single specimen of this distinct form was taken at S;il- 

 combe in June 1875, another near Starcross in June 1880, 

 and a third occurred in a gathering from Salcombe collected 

 September 1903. It appears to be widely but sparingly 

 distributed. 



COLLOCHERES GRACILICAUDA (Brady). 



1880. Cyclopicera gracilicauda, Brady, vol. iii. p. 58, pi. Ixxxiii. 



figs. 1-10. 

 1899. Collocheres ffracilicauda, Giesbrecht, Die Asterocheriden, 



pp. 12, 79, 102, pi. i. fig. 3; pi. iii. figs. 40-45. 



