PLATE 114. 

 1, 2. Echinometra oblonga Bl. 



1. Side view of an unusually fine specimen; Laysan, H. I. 



2. Side view of a slender-spined specimen; Clarion Island. 



3, 4. Echinometra insularis, sp. nov. 



3. Side view of specimen from Easter Island. 



4. Abactinal view of another Easter Island specimen. 



5, C. Echinometra picta A. Ag. and Cl. 



5. Side view of a small specimen. 



6. Abactinal view of same. 



All figures natural size. 





