350 Proceedings of the Royal Physical Society. 



(d) Species with Eleven-Jointed Antennules. 



218. Cyclops affinis, G. 0. Sars. 



1863. Cyclops affinis, G. 0. Sars, I. c, p. 256. 



1878. ,, „ Brady, Monograph, vol. i. p. 112, pi. xv. figs. 



11-14; pi. xxiv. figs. 10-15. 



Hal.— Kaith Lake, near Kirkcaldy, Fifeshire, 1890. Elf 

 Loch, and ponds in Penicuik grounds, 1900 (Dr and Miss 

 Sprague). Humbie Eeservoir, near Winchburgh, June 1906 

 (W. Evans). 



219. Cyclops diaphanus, Fischer. 



1853. Cyclops diaphanus, Fischer, I. c, vol. xxvi. p. 93, pi. iii. 



figs. 6-12. 

 1863. ,, nanus, G. O. Sars, I. c, p. 42. 

 1899. ,, ,, T. Scott, Seventeenth F. B. Kept., pt. iii. 



pp. 141, 172, 187. 

 1901. ,, diaphanus, Lillj., Kongl. Sv. Vet.-Handlingar, 



vol. xxxv. No. 4, p. 63, pi. iv. figs 13-15. 

 1901-1902. ,, nanus, Dr and Miss Sprague, Trans. Edin. Field 



Naturalists, vol. iv. p. 256, pi. xxxiA. figs. 7-12. 



Hal. — This small species, first added to the British fauna 

 in 1899, was obtained at Auchencorth Moss, Midlothian, in 

 April 1901, by Dr and Miss Sprague. 



(e) Species with Ten-Jointed Antennules. 



220. Cyclops phaleratus, Koch. 



1838. Cyclops phaleratus, Koch, Deutschl. Crustaceen, Heft 21, 



pi. ix. 

 1878. ,, ,, Brady, Monograph, vol. i. p. 116, 



pi. xxiii. figs. 7-13. 



Hah. — Duddingston Loch ; Lochgelly Loch and Eaith Lake, 

 Fifeshire. Marl-pit, Davidson's Mains, near Edinburgh, 

 June 1900 (Dr and Miss Sprague). This species also 

 occurs in some material from the marl-pit collected by 

 myself in May 1888. Teith at Callander (Evans). 



