1'LATK XXVII. 



a protectus: ventral view of a specimen from Stat. 115, reef. Natural size. 

 tra protectus: dorsal view of the same specimen. Natural size. 

 nalometra denticulata: lateral view of the specimen from Stat. 167. 2. 

 ate V is a copy in colours of this photograph.] 

 "metra denticulata: th< opposite side of the same specimen, showing the proximal pin- 

 nules. 1. 



