PLATE XLVIII. 



FIG. 



1,2. TiiBULiroKA PENICILLATA, p. 270. Of the natural size 

 and magnified. From specimens furnished by Mr. R. Q. 

 Couch. 



3, 8. IDMONEA ATLANTIOA, p. 278. Of the natural size and 



magnified. From specimens furnished by Professor 

 Edward Forbes. - 



4, 4. PUSTULIPORA PROBOSCIDEA, p. 278. Of the natural size 



and magnified. From specimens forwarded by Pro- 

 fessor E. Forbes. 



5, 5. PusTrr.iPORA PEFLEXA, p. 279. Of the natural size and 



magnified. From specimens presented by Mr. R. Q. 

 Couch 



