PATAGONIAN EXPEDITIONS! PALAEONTOLOGY. 
EXPLANATION OF PLATE LIII. 
PAGE. 
Fig. i. Amphiproviverra manzaniana : Atlas from above (No. 15,154) . 398 
Fig. 1 a. “ “ Atlas from below, showing the in- 
tercentrum (No. 15,154). 
Fig. 2. Boryilena tuberata : Atlas from above, showing the notches for 
the passage of the vertebral artery and 
spinal nerves (No. 15,701). 350 
Fig. 2 a. “ “ Atlas from below, showing the rugose sur- 
faces for articulation with the intercen- 
trum (No. 15,701). 
Fig. 3. Cladosictis petersoni, type : Atlas from above (No. 15,702) . 3S0 
Fig. 2 > a - “ “ “ Atlas from below, showing the fusion 
of the intercentrum with the neu- 
ral arch (No. 15,702). 
Fig. 4. Borhy/ena excavata : Atlas from above (No. 15,120). . . 350 
Fig. 4 a. “ “ Atlas from below (No. 15,120). 
Fig. 4 b. “ “ Atlanteal intercentrum from below (No. 
15, 120 ). 
Fig. 5. Proti-iylacynus patagonicus : Atlas from above (No. 15,700) . 365 
Fig. 5 a. “ “ Atlas from below (No. 15,700) 
showing the fusion of the inter- 
centrum with the neural arch. 
Fig. 6. “ “ Eighth ? caudal vertebra from 
above (No. 15,700) . . . 366 
Fig. 7. “ “ Tenth? dorsal vertebra from the 
right side (No. 15,700) . . 366 
Fig. 8. “ • “ Third caudal from above (No. 
i 5 > 7 °°) 366 
Fig. 9. Borhytna tuberata : Fourth? caudal from above (No. 15,701). 351 
Fig. 9 a. “ “ Fourth ? caudal from the right side (No. 
15,701). 
Fig. 10. Cladosictis lustratus : Lumbar series from the left side (No. 
15. No) 38 1 
All the figures are natural size. 
(VOL. IV.) 
