TJie Echinoderm Fauna of SoutJi Africa. 



I'K mi Madagascar, Zanzibar and Mauritius, and occurs also in the 

 Red Sea and eastward to the Dutch East Indies. 



* ECHINODISCUS AURITUS. 



Leske, 1778. Add. ad Klein, p. 138. A. Agassiz, JSTi!. Uev. Ech., 



pt. ::!, pi. XIIIc, figs, 1, 2. 



This species is recorded from Mozambique by Sluiter and since 

 its distribution is like that of bixperforatus, it may be expected along 

 the coast at least as far south as Natal. 



NUCLEOLITIDAE. 



This old yet small family is but poorly represented in South 

 Africa as two of the three species here listed occur only in deep 

 water and the third is included here only on the basis of an old 

 record, the reliability of which is open to question. The three 

 species may be distinguished by means of the following key. 



Key to the South African Species of Nucleolitidae. 



Ambulacral pores wanting, and ambulacra hard to distinguish, on abactinal surface 



Tropholampas loveni. 



Ambulacral pores very evident abactinally. 



Abactinal poriferous areas long, reaching nearly or quite to the almost circular 

 ambitus ....... Echinolampas crassa. 



Abactinal poriferous areas not long, not nearly reaching the oval or elliptical 

 ambitus ....... Echinolampas ovata. 



TROPHOLAMPAS* LOVENI. 



Catopygus loveni Studer, 1880. Monatsb. Berlin Akad. "Wiss., p. 878; 



pi. II, figs. 1-ld. 

 Neolampas loveni H. L. Clark, 1917. Mem. M. C. Z., vol. 46, p. 110. 



One of the most interesting of the captures made by the PIETER 

 FAURE is revealed by two small bottles of little echini from two 

 stations in moderately deep water. These prove on critical exami- 

 nation to be identical with the two dead tests taken by the GAZELLE 

 in 117 fms. south of the Cape of Good Hope, which Studer 

 reported as a Recent species of Catopyyus. Without seeing any 

 specimens, I concluded that Studer's species would go better in 



* Tpoipo? = nurse -f- l-apTta.? = lantern, in reference to the care of the young 

 and in conformity with the terminal syllables of allied genera. 



