Land, Fresh-Water, and Marine Crustacea. 185 



Genus (20) Rhynchotalona, Norman, 1903. 



(Syn. — L&ptorhynchus, Herrick, and Harporhynchus, G. O. 

 Sars, both of which names are preoccupied.) 



35. Rhynchotalona falcata (G. 0. Sars). 



1861. Alona falcata, G. 0. Sars, Forhandl. i Vidensk, i Christiania, 

 1861 (Aftr.), p. 20. 



Habitat. — Loch Katrine and Loch Achray ; not common. 



Genus (21) Ledigia, Kurz. 



36. Ledigia quadrangular is (Leydig). 



I860. Lynceus quadrangular is, Leydig, Naturges. der Daphnid. , 



p. 221, pi. viii. fig. 59. 

 1891. Ledigia quadrangularis, T. Scott, Ninth F. B. Rept., pt. iii. 



p. 292, pi. vi. figs. 5, 5a and b. 



Habitat. — Lochgelly Loch, Fifeshire, It may be of 

 interest to recall the fact that the record of this species in 

 the Fishery Board's Eeport mentioned above was the first for 

 Britain. 



Genus (22) Graptoleberis, G. 0. Sars, 1862. 



37. Graptoleberis testudinarius (Fischer). 



1851. Lynceus testudinarius, Fischer, Mem. des Sar etrangers, 

 St Petersburg, vol. vi. p. 191, pi. ix. fig. 12. 



Habitat. — Lochend Loch, 1894; Upper Elf Loch, Braid 

 Hills, 1896 and 1897, where it was also obtained in August 

 1901 by Dr and Miss Sprague. 



Genus (23) Alonella, G. 0. Sars, 1862. 



38. Alonella excisa (Fischer). 



1854. Lynceus excisus, Fischer, Bull. Soc. Imper. d. Nat. d. 

 Moscow (1854), p. 428, pi. iii. figs. 11 14. 



Habitat. — Loch Leven, frequent. Loch Katrine, Loch 

 Achray, Loch Vennachar, and Loch Lubnaig. Marfield Loch, 



