310 Annals of the South African Museum. 



frequently in the Bay, seated either on the carapace or on the 

 chelipeds and ambulatory feet." In the Catalogue of Thyro- 

 straca reasons are given for calling the cirripede here men- 

 tioned Balanus amphitrite, Darwin. 

 1899. T. c., Alcock, J. A. S. B., vol. Ixviii., pp. 73, 76. 



On the latter page Alcock endorses " Kossmann's view as 

 to the specific identity of all the Thalamitas with an eight- 

 lobed front combined with a very broad basal antenna-joint." 

 He considers Tlialamita prijmna, crenata, dance, stimpsoni, 

 and picta as all synonymous, though he prefers, for con- 

 venience, to treat these usually accepted species as distinct. 



FAMILY CANCEID^B. 



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



pp. 4, 9. 



Alcock divides this family into five sub-families Cancrinae, 

 Pirimelinae, Thiinae, Atelecyclinse, Acanthocyclinae with a possible 

 sixth, Trichiinae, which, however, may constitute, he thinks, a distinct 

 family. 



GEN. KEAUSSIA, Dana. 



1852. Kranssia, Dana, U.S. Expl. Exp., vol. xiii., pp. 297, 300. 

 1899. Ji., Alcock, J. A. S. B., vol. Ixviii., pp. 96, 97. 



KRAUSSIA RUGULOSA (Krauss). 

 1843. Platyonichus rugulosus, Krauss, Siidafrik. Crust., p. 26, pi. 1, 



fig. 5, a-d. 



Under stones at Natal Point. 



1852. Kraussia rugulosa, Dana, U.S. Expl. Exp., vol. xiii., pp. 301 r 

 302, pi. 19, fig. 1, ft-/. 



GEN. ATELECYCLUS, Leach. 



1814. Atelecyclus, Leach, Edinb. Encycl., vol. vii., p. 430. 

 1894. A., A. Milne-Edwards and Bouvier, Hirondelle Brachyura, 

 Camp. Sci. Monaco, vol. vii., p. 50. 



* ATELECYCLUS SEPTEMDENTATUS (Montagu). 



1813. Cancer Hippa septemdentatus, Montagu, Trans. Linn. Soc., 



vol. xi., pt. 1, p. 1, pi. 1, fig. 1. 



1814. Atelecyclus s., Leach, Edinb. Encycl., vol. vii., p. 430. 



