1' s <> COPEPODA. 



tide-marks in June 1884. It occurred again at Salcombe in 

 September 1903, and was also observed in Mill Bay, near 

 Chequer Buoy, and in rock-pools at and above high-water 

 mark in Plymouth Sound. 



EURYTE LONGICAUDA, Philippi. 



1843. Eurr/te longicnuda, Philippi, Archiv f. Naturg. Jahrg. 9, 



p. 63, pi. iii. fig. 3 a-d. 

 1878. Thorellea bnumea (Boeck), Brady, vol. i. p. 95, pi. xvi. 



figs. 1-10. 



Salcombe, June 1875 ; off Duke Buoy, Plymouth, and 

 mouth of the Yealm, August 1889 ; Fowey, Cornwall, among 

 Corallina in May, and Mill Bay, Ca\vsand Bay, and other 

 gatherings from Plymouth in August 1903, but nowhere 

 common. 



The following species of Cyclops have been observed : 

 Species having antennules composed of 17 joints. 



CYCLOPS STRENUUS, S. Fischer. 



1851. Cyclops strenuus, S. Fischer, "Beitr. z. Kenntn. St. Petersburg 

 Cjclopiden," Bull. Soc. Imp. des Nat. MOJ-COU, vol. xxiv. p. 419, 

 pi. ix. figs. 12-21. 



1878. Cyclops strenuus, Brady, vol. i. p. 104, pi. xix. figs. 1-7. 



1878. Cyclops pulckellus, id. ibid. p. 107, pi. xvii. figs. 1-3. 



1891. Cyclops strenuus, Brady, " Revision British Cyclopidse and 

 UalamdaB," Nat. Hist. Trans. Northumberland, Durham, and 

 Newcastle-upon-Tyne, vol. xi. p. 8, pi. ii. tigs. 1-4. 



1891. Cyclops abyssoritm, id. ibid. p. 8, pi. iii. 



1901. Cyclops strenuus, Lilljeborg, p. 2, pi. ii. figs. 20-25. 



1892. Cyclops strenuus, Schmeil, I. p. 39, pi. ii. figs. 12-15. 



Tresco and St. Mary's, Scilly Islands ; near Hayle, Corn- 

 wall ; Bradmere pool near Chagford, Devon, and various 

 other localities within the district. 



CYCLOPS BICUSPIDATUS, Glaus. 



1857. Cyclops Ucuspidatus, Claus, Archiv f. Naturg. Jahr-. 22, 



1 B, p. 209, pi. xi. figs. 6, 7. 

 1891. Cyclops Thomasi, Brady, 1. c. p. 15, pi. vi. figs. 1-4. 



1891. Cyclops insignia, id. ibid. p. 18, pi. vi. fifr. 5. 



1892. Cyclops Ucuspidatus, Schmeil, I. p. 75, pi. ii. figs. 1-3, and 

 Nachtrag, 1898, p. 149. 



1901. Cyclops bicuspidatus, Lilljeborg, p. 11, pi. i. figs. 12-17; 

 pi. ii. fig. 1. 



In one or two places near St. Ives, Cornwall, in May 1905 

 (R. Vallcntin !). 



