General Catalogue of South African Crustacea. 309 



circumstance that Krauss himself, on p. 20, as well as on 

 pp. 23, 25, keeps them distinct, without a hint of their 

 probable identity. 



1893. S. s., Stebbing, History of Crustacea, p. 69. 



1899. S. s., Alcock, J. A. S. B., vol. Ixviii., pt. 2, p. 27. 



In 1847 the List of Crustacea in the British Museum, drawn up 



by Adam White, contains the entry at p. 26 : " Scylla crassimanus. 



Achelous c., Macleay, Ann. S. Afr., 61. Female. S. Africa (mouth 



of the Zwartkops Eiver). Presented by Dr. Andrew Smith." 



GEN. THALAMITA, Latreille. 



1829. Thalamita, Latreille, Eegne Animal, ed. 2, vol. iv., p. 33, foot- 

 note. 



1899. T., Alcock, Journ. Asiat. Soc. Bengal, vol. Ixviii., pt. 2, 

 pp. 11, 72. 



THALAMITA ADMETE (Herbst). 



1803. Cancer admete, Herbst, Krabben und Krebse, vol. hi., pt. 3, 



p. 40, pi. 57, fig. 1. 

 1843. Thalamita a., Krauss, Siidafrik. Crust., p. 24. 



Krauss distinguishes var. a and var. b, both from Natal 

 Bay. 

 1899. T. admeta, Alcock, J. A. S. B., vol. Ixviii., pp. 74, 82. 



THALAMITA PRYMNA (Herbst). 



1803. Cancer prymna, Herbst, Krabben und Krebse, vol. iii., pt. 3, 



p. 41, pi. 57, fig.2. 

 1843. Thalamita p., Krauss, Siidafrik. Crust., p. 25. 



From Natal Bay. 

 1899. T. p., Alcock, J. A. S. B., vol. Ixviii., pp. 73, 78. 



THALAMITA CRENATA, Milne-Edwards. 



1834. Thalamita crenata, Milne-Edwards, Hist. Nat. Crust., vol. L, 



p. 461. 

 1843. T. c., Krauss, Siidafrik. Crust., p. 25. 



Krauss observes that he found this and the two preceding 

 species "on the sandy places of Natal Bay in depressions 

 under timber and pieces of rock, where they appear to have 

 their permanent location ; for on them all occurred now and 

 again young species of Balanus radiatus, Br., which is found 



