MONOGRAPH OF THE EXISTING CBINOIDS. 



361 



Fig. 472. 



no. 473. 



Fig. 475. i.u.-.u 



Figs 471-476 -471 Dorsal view of the radial pentagon of a specimen of Craspedometra acutiorra from the .\nda- 

 MAN Islands 4?2, Dorsal -view of the radial pentagon of a specimen of Heterometra revnaudii from Teylon. 

 473 Dorsal «ew of the radial pentagon of a specimen of .\ mpiiimetra piiilii.erti from the .\ndaman Islands. 474, 

 Dorsal view of the radial pentagon of a specimen of .\mphimetra ensifeu from Singapore. 475, Dorsal nzv 



OF THE radial PENTAGON OF A SPECIMEN OF PoNTIOMETRA ANDERSONI FROM SINGAPORE. 476, DORSAL VIEW OF THE EADUL 

 PENTAGON OF A SPECIMEN OF MARLIMETRA SUBCABINATA FROM SOUTHERN JAPAN. 



79146° — Bull. 82 — 15 24 



