U. S. F. C. BULLETIN 1900. VAUGHAN. 
PLATE XXXIII. 
sifc'il ggitaiiii \ 
L <■ 
jan^anlfli 
• >•*.**■ yif'S:< 
■»$§$&} 
PSWi-Y^WV v. ; “ * 
BSffifiWtV *vV.' r iV • *. \- 
II 
$fe»i 
;'!:*®V 
P*&#i 
a *?•*», Vi 
%3&|3 
Swvrwi 
Pmmm 
PORITES ASTREOIDES LAM., forma tf GREATER HORIZONTAL DIAMETER 20.6 CM. 
HELIOTYPE PRINTING 00., BOSTON. 
*?;v 
