A MONOC; \IA IMI 
OK 
T II EGA P 1 T 0 N I 1) yi; 
OR • 
S C A N S O R I A L B A R F, E T 8. 
BY 
C. H. T. MARSHALL, F.Z.S, 
BENGAL STAFF CORPS. 
G. F. L. MAESHALL, F.Z.S, 
EOYAL BENGAL ENGINEERS, 
LONDON: 
PUBLISHED BY THE AUTHORS. 
1871. 
