136 
DIFFICULTIES IN REMOVING CCENURUS CEREBliALIS. 
Mid 1 withdrawn’ aftel Wl “ Ch the Wal1 ls cautiousl y grasped with forceps 
as 
tlsids 
stroll! “!ror 1S len^th° r nf d wi* ^ Wto wi,ich !t is P Iaeed backwards. A 
the head If if alp* / us keeps the animal m position without touching 
u” 3 TfiSJi r ,S V” "5 : “ “ * me*! 
*— ».«*.«.»“» ^S/^SSStSt perf ”“ I *«■ 
