General Catalogue of South African Crustacea,. 293 



TRIBE CYCLOMETOPA. 



1898. Cyclometopa, Alcock, Journ. Asiat. Soc. Bengal, vol. Ixvii., 



pt. 2, p. 67. 



1899. C., Alcock, J. A. S. B., vol. Ixviii., pt. 2, p. 1. 



Borradaile, Ann. Nat. Hist., Ser. 7, vol. xix., p. 468, 1907, and 

 Caiman, Crustacea, p. 315, 1909 (in Lankester's Treatise on Zoology), 

 unite the Cyclometopa and Catometopa in a single group, named 

 Brachyrhyncha. 



. 



FAMILY POTAMONID^E. 



1896. Potamonida, Ortmann, Zoologische Jahrbiicher, vol. ix., 



p. 445. 

 1899. Telphusida, Alcock, Journ. Asiat. Soc. Bengal, vol. Ixviii., 



pt. 2, p. 2. 



1904. Potamonidce, Eathbun, Nouvelles Archives du Museum 



d'Histoire Naturelle, Ser. 4, vol. vi., p. 244. 

 1910. P., Alcock, Catal. Indian Decap. Crust., Brachyura, fasc. 2. 



Alcock divides the family into two sections, dependent on 

 character of the mandibular palp. 



GEN. POTAMONAUTES, M c Leay. 



1838. Potamonautes, M c Leay, Annulosa of S. Africa, p. 64. 



Under " Thelphusa perlata, M. B.," M c Leay remarks : "I 

 may take this occasion to observe, that in my cabinet 

 I separate those species of Thelphusa which, like the 

 present, have a transversal crest in front of the shell, and 

 call them Potamonautes." 



1905. Potamon (Potamonautes), Eathbun, Nouv. Archives Mus., 



vol. vii., p. 159. 



In vol. vi., p. 237, Miss Eathbun says: " L'Afrique est le 

 pays de Potamonautes, qui s'etend aussi, mais plus rarement, 

 dans 1'Inde et la Malaisie." 



* POTAMONAUTES PEELATUS (Milne-Edwards). 



1837. Thelpheusa perlata, M.-Edw., Hist. Nat. Crust., vol. ii., 



p. 13. 

 Inhabits the Cape of Good Hope. 



1838. Thelphusa (in cabinet Potamonautes) perlata, M c Leay, Annulosa 



of S. Africa, p. 64. 



