PATAGONIAN EXPEDITIONS : PAL/EONTOLOGY. 
EXPLANATION OF PLATE LII. 
PAGE. 
Fig. i. Borhy^na tuberata : Cervical vertebrae from the left side (No. 
15,701). The fourth cervical is missing . 351 
Fig. 2. “ excavata: First to fifth cervical vertebrae from the left 
side (No. 15,120) . . . . . 35 1 
Fig. 3. Prothylacynus patagonicus : First to fifth cervicals from the left 
side (No. 15,700). . . . 365 
Fig. 4. Cladosictis lustratus : Cervical series from the right side (No. 
15,170) • • • • • • 380 
Fig. 5. Prothylacynus patagonicus: Axis from below (No. 15,700), . 365 
Fig. 6. Borphlena excavata: Axis from below (No. 15,120) . . . 350 
All the figures are natural size. 
(vol. IV.) 
