156 FUNAFUTI ATOLL. 



annulated with from five to nine whitish bands a little narrower 

 than the intervening dark bands, except in the youngest speci- 

 mens, which have them about equal in width. 



Diameter of test of largest example 92mm. 



Height 48mm. 



Diameter of smallest example 25mm. 



Height ,, ,, llmm. 



Native name, " Vanna." 



HETEROCENTROTUS MAMILLATUS, Klein. 



Heterocentrotus mamillatus (Klein), Agassiz, Rev. Echini, I. c., 

 iii., p. 428. 



Only a few spines of this species were obtained ; there is a fine 

 specimen in the Museum Collection, from the Ellice Group, 

 collected and presented by Dr. Luther, of H.M.S. "Dart." 



Native name, " Fatuki." 



ECHINOMETRA LUCUNTER, Leske. 



JEchinometra lucunter (Leske), Agassiz, Rev. Echini, iii., I. c., 

 p. 431. 



One specimen. 



This species is exceedingly common on the outer reefs and in 

 the lagoon. 



ECHINOMETRA OBLONGA, Blainv. 



Echinometra oblonga (Blainv.), Agassiz, Rev. Echini, I. c., iii., 



p. 433. 



Nine specimens were obtained. Common on the outer reefs 

 and in the lagoon. 



ECHINUS ANGULOSUS, Leske. 



Echinus angulosus (Leske), Agassiz, Rev. Echini, I.e., i., p. 122; 

 id. iii., p. 489. 



There are two very small specimens which I refer to this 

 species, the largest example is only 12mm. in diameter. 



LAGANUM DEPRESSUM, Less. 



Laganum depressum (Less.), Agassiz, Rev. Echini, Z.c., iii., 



p. 518. 



A very fine series consisting of (sixteen specimens, found in 

 company with the following species. 



