ECHINOIDEA. 



PHYLLACANTHUS BACULOSA. 



Cidarites baculosa, Lanik. Anim. sans Vert., 1816. 

 Phyllacanthus baculosa, A. Ayass., Eev. Ech., Pt. iii., p. 388. 

 (a,b) Mauritius Bght. 



Hab. Mauritius ; Coasts of East Africa ; Red Sea. 



PHYLLACANTHUS AUSTEALIS, sp. nov. 



(Port Jackson, dredged near S. Reef, Gfaths.) 



0) ColL 



(Type of the Species 



Hab. Port Jackson. 



PHYLLACANTHUS DUBIA. 



Phyllacanthus dubia, Br., 1835, Prod. Desc. An. ; A. At/ass., 

 Eev. Ecli., Pt. ul, p. 389. 



(a) Port Darwin - Coll. 



(6) Mauritius Exch. 



Hab. South Africa ; North Australia.* 



PHYLLACANTHUS PABVISPINIS. 



r 



Phyllacanthus parvispiuis, T.- Woods, P. L. Soc. of N.S.W., iv , 

 p. 286, 1880. 



(a) Type of the species, Port Jackson. 



(6) Type of the species, denuded test, Port Jackson. 



(c tof) Port Jackson, very large specimens. 



(y) Port Jackson, form approaching P. dubia. 



Hab. Port Jackson, East Coasts of Australia. 



STEPHANOCIDARIS. 



STEPHANOCIDAEIS, A. Ay ass., Rev. Ecli., iii., p. 393. 



(Not represented.) 



Hab. Australia, &c. 



* The common Port Jackson species usually known to Australian 

 Naturalists as P. dubia, has been recently separated by Tenison- Woods 

 as P. parvispinis. 



