556 PROFESSOR OWEN" ON THE GIGANTIC LAND-LIZARD FROM AUSTRALIA. 
PLATE 65. 
Fig. 1. Side view of the four terminal exo-skeletal segments of the tail: Megalania 
prisca. 
Fig. 2. Upper view of the same segments. 
Fig. 3. Under view of the same segments. 
Fig. 4. Back view of the foremost segment. (The above figures are reduced in the 
degree shown by comparison with Plate 64.) 
Fig. 5. Front view of corresponding caudal segment, showing the exo- and endo-skeletal 
parts ; half the natural size. Glyptodon asper (Burmeister). 
r 
PLATE 66. 
Fig. I. Uromcistix princeps; natural size (after O’Shaughnessy'"). 
Fig. 2. Side view of exo-skeleton of the tail of ditto ; natural size (original). 
Fig. 3. Under view of the same part (original). 
Fig. 4. Upper view of two exo-skeletal segments of the tail; natural size. Moloch 
horridus. 
Fig. 5. Side view of three exo-skeletal caudal segments ; natural size. Ib. 
Fig. 6. Under view of three exo-skeletal segments, nearer the end of the tail ; natural 
size. Ib. 
Fig. 7. Side view of the endo- and exo-skeletal parts of a caudal segment; natural 
size. Scelidosaurus Harrisonii. 
Fig. 8. Side view of the exo-skeletal segments of the tail; one-eighth the natural size. 
Glyptodon cisper (after Burmeister). 
Fig. 9. Upper view of the five terminal exo-skeletal segments of the tail; one-eighth 
the natural size. Glyptodon asper (after Burmeister). 
Fig. 10. Under view of the same segments (after Burmeister). 
* Op. cit., Plate 43. 
