1913-18 
VOLUME IX: ANNELIDS, PARASITIC 
WORMS, PROTOZOANS, ETC. 
¥ tj 
- PART C: HIRUDINEA 
/. By J. PERCY MOORE 
Vary 
OTTAWA yi {rare 
THOMAS MULVEY ibe 
PRINTER TO THE KING’S MOST EXCELLENT MAJESTY pe eS ee 
1921 YS ia 
: , Issued February 4, 1921. — ae a i 
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