ACTINOGONIDIATE ECHINODERMS. 233 



XXXVIII. Genus Maretia. 



49. Maretia alta. 



Maretia alta, A. Ag. (1863), see Rev. Ech. 1872, p. 139. 

 Felidu, 34_/!, sand covered with weed. 



50. Maretia planulata. 



Spatangus plamdatus, Lamk. An. s. Vert. ill. (1816), p. 31. 



Small forms found occasionally at low tide level on lagoon flats everywhere. Dredged 

 7 times in Kolumadulu and Felidu, 20 — 35/, rubble or shells and sand, also Haddumati, 40/., 

 weed and mud. 



30—2 



