General Catalogue of Soutli Afiican Crustacea. 361 



GEN. POECELLANA, Lamarck. 



1801. Porcellana, Lamarck, Syst. Anim. sans Vertebres, p. 153. 

 1902. P., Stebbing, S.A. Crustacea, pt. 2, p. 28. 



* PORCELLANA DEHAANII, Krauss. 



1843. Porcellana dehaanii, Krauss, Sudafrik. Crust., p. 59, pi. 4, fig. 2. 

 " Very frequent in the sinuosities of Eschara foliacea L., on 

 the terraces of the Natal coast." 

 1858. P. dehaani, Stimpson, Pr. Ac. Sci Philad., vol. x., pp. 229, 



243 (67, 81), and P. s rcptocheles, Stimpson, ibid. 

 Simon's Bay, 11-22 m. 

 1888. P. s., Henderson, Challenger Anomura, Eeports, vol. xxvii., 



p. 110. 



Simon's Bay, 9-33 m. 

 1902. P. dehaanii, Stebbing, S.A. Crustacea, pt. 2, p. 28. 



No. 8, sent by Dr. Gilchrist, from False Bay. 

 1907. P. st rcptocheles, Stimpson, Smithson. Misc. Coll., vol. xlix., 



p. 191, pi. 23, fig. 1. 



Stimpson says : " This species is common in from six to 

 twelve fathoms on sandy bottoms in Simon's Bay, Cape 

 of Good Hope. It differs from P. dehaani, Krauss, also from 

 the Cape, in its naked carapace, broader front, with a less 

 prominent median tooth, and non-denticulated superantennary 

 margin." It is not clear whether Stimpson means that he 

 had himself found P. dehaanii at the Cape, or whether he 

 is only referring to Krauss's Natal coast specimens. The 

 recently published figure of Stimpson's species certainly 

 differs in appearance from Krauss's figure, but specimens, 

 taken at low tide in False Bay by C. F. Beyers, show varia- 

 tion in the central rostral tooth, and in the prominence or 

 evanescence of the two or three teeth on the inner margin 

 of the wrist of the chelipeds, making it very doubtful whether 

 Stimpson's species can be distinguished from that of Krauss. 

 There is no doubt that the specimens from False Bay are the 

 species described and figured by Stimpson. 



GEN. PACHYCHELES, Stimpson. 



1858. Pachycheles, Stimpson, Pr. Ac. Sci. Philad., vol. x., p. 228(66). 

 1888. P., Henderson, Challenger Anomura, Eeports, vol. xxvii., 



p. 113. 



1897. P., Urtmann, Zool. Jahrb., vol. x., p. 290 



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