U. S. F. C. BULLETIN 1900. VAUGHAN. 
PLATE XXXIV. 
FIG. 1. PORITES ASTREOIDES LAM. forma a. CALICES ENLARGED. 
FIG. 2. PORITES ASTREOIDES LAM. forma / 3 . CALICES ENLARGED. 
HELIOTYPE PRINTING 00., BOSTON. 
