ECHTXODETIMATA. 



80 



from one another by transversely striated spaces ; interambulacral 

 spaces very narrow, with four rows of minute tubercles. 

 Localities. — Brighton. 



ECHINUS. 



5. E. Chlor OtiCUS, ; Cat. N.Z. Eclunodermafa, p. 11. 

 Localities. — Shakespeare ClilF. 



6. E. albOCinctUS, Hutton, Cat. N.Z. Echinodennata, p. 12. 

 Localities. — Shakespeare Cliff. 



7. E. enysi, sp. nov. Height about three-fourths of diameter ; 

 rows of pores obliquely parallel, three pairs in a row, ambulacral plate 

 with one primary tubercle ; interambulacral with four, of which the 

 third from the ambulacra is considerably larger. Diameter, 1. 



Localities. — Broken Eiver (l). 



ARACHNOIDES. 



8. A. zealandiSB, Cray ; Cat. N.Z. Echinodermata. p. 12. 

 Localities. — Wanganui (u) ; Castle Point ; Awamoa. 



9. A. COnica, sp. nov. Obtusely conical above ; margin sinu- 

 ated ; ambulacra nearly straight, with about fifty pairs of pores ; 

 interambulacral spaces hollowed, irregularly distantly granulated ; 

 ambulacral spaces raised on the edges, but depressed towards the 

 middle, down which runs a smooth groove ; granules arranged in 

 curved oblique lines sloping outwards and towards the groove ; below 

 the same, but the granules are larger, and the interambulacral spaces 

 broader. Diameter, 2 '8. 



Localities. — Awamoa. 



rAMij:.T — Galerittdje. 

 Elongated or sub-circular, covered w^th small tubercles ; anus 

 posterior or inferior ; ambulacra simple. 



CARATOMUS. 



Mouth angular, oblique ; anus infra-marginal. 



10. C. nuperus, sp. nov. Ovate, inflated, papillose, apex cen- 

 tral ; mouth sub-central, oval, oblique, situated in a deep depression ; 

 vent infra-marginal, moderate, oblique ; ambulacra stellate, the anterior 

 pair petaloid, acutely pointed; posterior pair with parallel sides and 

 truncated at the end ; odd anterior ambulacrum shorter, truncated, 

 pores distinct. Length, I'G ; breadth, l ;35 ; height, '85. 



Localities. — The Deans, AV'aipara. 



Family — Ntjcleolitid^. 

 Like Galeritidce, but the ambulacra petaloid. 



NUCLEOLITES. 



Sub-carinated ; anus superior; mouth pentagonal, not margined. 



