PATAGONIAN EXPEDITIONS : PALAEONTOLOGY. 
EXPLANATION OF PLATE LXII. 
Fig. i. 
Fig. 2. 
Fig. 2 a 
Fig- 3 - 
Fig. 
Fig. 4. 
Fig. 4 a. 
Fig. 5 - 
Fig. 5 a 
Fig. 6. 
o 
Fig. 7. 
Fig. 8. 
Fig. 9. 
Fig. 10. 
Fig. 1 1. 
Microbiotherium tortor : Palatal view of a crushed skull (No. 
15T98) 
“ “ Left ramus from the outer side (No. 
15.698) 
“ “ Left ramus, crown view (No. 15,698). 
“ gallegosense, type : Right ramus from the outer 
side (No. 9591 American 
Museum of Natural His- 
tory) .... 
“ “ “ Right ramus, crown view 
(No. 9591 American 
Museum of Natural His- 
tory). 
“ tehuelchum: Left ramus, outer side (No. 15,038). 
“ “ “ “ crown view “ “ 
“ patagonicum: Anterior portion of the right ramus 
from the outer side (No. 9121 
American Museum of Natural 
Flistory) . 
“ “ Anterior portion of the right ramus, 
crown view (No. 9121 American 
Museum of Natural History). 
“ tehuelchum : Second and third superior molars 
of the left side, crown view (No. 
15.038) 
“ “ Left auditory bulla from below (No. 
15.038) . a, alisphenoid ; g, glen- 
oid cavity ; ft, petrous ; ftg, post- 
glenoid process .... 
“ “ Third, fourth and fifth cervicals from 
the left side (No. 15,038) . 
“ “ Atlas and axis from below (No. 
1 5.038) . i, atlanteal intercentrum ; 
n, neural arch of atlas ; c, centrum 
of axis . 
.“ “ Right ulna, proximal end (No. 
15.038) 
“ “ Incomplete right scapula (No. 
15,038) X 2.7 . . . . 
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