662 
ME, J. W. HULKE ON THE POLACANTHUS FOXII. 
Fig. 
Fig. 
Fig. 4 
Fig. 5 
Fig. 6 
Fig. 1 
' Fig. 2 
!. Back view of the same (nearly f). 
ccl. Condyles. 
pr.c. Prsecnemial crest. 
f Fragment of fibula. 
I. Side view of a caudal vertebra, where the transverse process has disappeared, 
and the spinous process has become dwarfed. 
. View of posterior surface of fig. 3. 
. Small keeled scute upon a vertebra from near the end of the tail. 
. Small buckler-like scute from near end of tail. 
PLATE 76. 
. Lateral view of a large dermal spine (slightly reduced).- 
;. Fragment of a rib. 
o 
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