192 HAWAIIAN AND OTHER PACIFIC E 



from which most of the spines seem to have been rub 

 lected. The posterior petals are so much shorter than 

 is so much smaller relatively and the labrum is so mucl 

 fled in not identifying the present specimen with that sj 

 The holotype of brachypetalus in unique. It wi 

 at Station 268, near Grenada, in 955 fms., and bears t 

 handwriting: "Schizaster cf. S. limicola." 



Ova. 



Gray, 1825. Ann. Phil., 26, p. 431. 

 Type, Spatangus canaliferus Lamarck, 1816. Anim. s 



I see no escape from the necessity of using Gray's 

 Lamarck called Spatangus canaliferus. In order to p: 

 name Schizaster for the forms with which it is natural 

 sary therefore to separate canaliferus from the others 

 the strength of the difference in the arrangement of the ] 

 other conditions I should not consider this a valid | 

 order to save Schizaster, I recognize it as such. The 

 the well-known Mediterranean species as its only men 



Schizaster. 



Agassiz, 1836. Prod. Mon. Rad., p. 18 i 

 Type, Schizaster studeri Agassiz, 1836, loc 



Agassiz included in his proposed genus only two sp 

 and studeri Agassiz. The former was removed by Mic 

 genus Moera, leaving studeri as type of Schizaster. 

 no description of studeri published at this time, it w 

 Agassiz designated it as from the Italian Tertiary. 

 generic diagnosis and the statement that there was one 

 (1843. Mem. Ech. Foss. Nizza, p. 32) gives a good d 



