General (Jataloyice of South African Crustacea. 493 



Gen. CHYDORUS, Leach. 



1816. Ghjjdorus, Leach, Encycl. Brit., ed. 5, SuppL, p. 406, art. 

 Annulosa. 



1900. C, Lilljeborg, Cladocera Suecise, pp. 400, 545. 



Chydorus barroisi (Richard). 



1894. Pleuroxus barroisi, Richard, Revue Biol. Nord France, vol. vi., 



p. 16. 



1895. Chydorus b., Sars, Vid. Selsk. Skr., No. 8, p. 25, pi. 4, 



figs. 9-13. 

 Bred from the mud of Knysna swamp. 



1901. C. b., Sars, Entom. S. America, Arch. Naturv. Kristian., 



vol. xxiii., p. 67, pi. 11, fig. 1 a-b. 



Chydorus gibsoni, Brady. 

 1907. Chydorus gibsoni, Brady, Annals Natal Gov. Mus., vol. i., pt. 2, 

 p. 183, pi. 32, figs. 1, 2. 

 Collected at Richmond, Natal, by Mr. James Gibson. 



Gen. LEYDIGIA, Kurz. 

 1874. Leydigia, Kurz, Sitzungsber. K. Ak. Wiss. Wien, vol. Ixx., pt. 1, 



p. 51. 

 1900. L., Lilljeborg, Cladocera Sueciae, pp. 400, 492. 



Leydigia propinqva, Sars. 

 1895. Leydigia acanthocercoidcs, Sars (not Fischer), Vid. Selsk. Skr., 

 No. 8, p. 18, pi. 4, figs. 1-4. 

 Raised from the Knysna mud. 



1903. L.j^ropmqva, Sav.s, Entom. China and Sumatra, Arch. Naturv. 



Kristian., vol. xxv.. No. 8, p. 14, pi. 1, figs. 4, 4a. 



1904. L. africana, Gurney, Proc. Zool. Soc, p. 300, pi. 18, figs. 5-6. 



Collected by Major Eckersley from a water-hole on the veld 

 at Kroonstad, O.R.C. According to Brady this species is a 

 synonym of L. jvopinqva. 

 1907. L. propinqua, Brady, Annals Natal Gov. Mus., vol. i., pt. 2, 

 p. 181, pi. 31, figs. 12, 13. 

 From Richmond, collected by Mr. Gibson. 



Gen. ALONOPSIS, Sars. 

 1862. Alonopsis, Sars, Vid. Selsk. Forhandl. Christian., for 1861, p. 41. 

 1900. A., Lilljeborg, Cladocera Sueci®, pp. 400, 432. 



