302 RHINOCEROS. 



Extreme length of first and second true molars, left side, 4-6 in. 7. Length of last 

 three_ premolars, right side, 56 in. 8. Length of four premolars (to anterior 

 margin of empty alveolus of first ditto, right side), 6'1 in. 9. Length of remaining 

 portion of diasteme, left side (measured from anterior margin of first alveolus), 

 2-2 in. 10. Transverse diameter of empty alveolus of first premolar, right side, 

 'Sin. 11. Antero-posterior ditto of ditto, -5 in. 12. Length of second premolar, 

 left side (crown of tooth broken on right side), T95 in. 13. Transverse diameter 

 of ditto near base, behind, 1-7 in. 14. Antero-posterior diameter of third premolar 

 (left side), about 2-1 in. 15. Transverse diameter of ditto at bourrelet (base), an- 

 terior barrel, 2*4 in. 16. Antero-posterior diameter of last premolar, right side, 

 outer surface (corresponding ^ooth, left side, broken off, and place occupied by 

 matrix), 1-8 in. 17. Transverse diameter of ditto at base, anterior barrel, 2-25 in. 

 18. Length of crown of first true molar, outer surface, left side, 2-3 in. 19. Trans- 

 verse diametpr of anterior barrel of ditto (left side), near base, partly concealed by 

 matrix, about 2'4 in. 20. Antero-posterior diameter, outer surface, penultimate 

 molar, right side (crown shivered on left side), 2-4 in. 21. Interval between dias- 

 temal ridges at commencement, near first premolar, 2-85 in. 22. Length from 

 anterior border, right orbit, to outer edge of cast of occipital plane, right side, 

 about 16-0 in. 23. Length from ditto, ditto, to tip remaining of nasals, 13- in. 

 24. Length from posterior plane of occipital condyles to posterior margin of last 

 true molar, about 13- in. 25. Diameter between oiuer margins of occipital con- 

 dyles, 6-4 in. 26. Transverse diameter, right condyle, taken near the middle, 

 2-2 in. 27. Vertical height of ditto, 26 in. 28. Diagonal diameter of ditto 

 (greatest), 3-2 in. 29. Width of occipital foramen (greatest), about 25 in. 30. 

 Height of occipital plane to lower surface of occipital condyles, 10-5 in. 31. 

 Greatest width of occipital plane just above the condyles, 9-1 in. 32. Greatest 

 width of ditto about middle, 7'2 in. 33. Length of zygomatic fossa, left side, 5- in. 

 34. Length from the posterior boundary zygomatic fossa to the posterior surface 

 of the occipital condyle, left side, about 86 in. 35. Extreme length from the tips 

 of the incisive to the broken edge of the occipital crest, left side, measured as a 

 straight line, 2875-29 in. 36. Extreme ditto from the anterior margin of the 

 orbit, right side, to the tip of the nasal, 13- in. 37. Extreme ditto, ditto, ditto, 

 left side, to the broken edge of the occipital crest near the left summit, 1675 in. 

 38. Length (versed sine) of cord stretched from greatest convexity of nasals to 

 summit of occipital crest where slightly broken, left side, taken on plateau be- 

 tween the orbits, 23 in. 39. Length of ditto, taken at constriction of frontals 

 between the zygomatic arches, 3- in. 40. Length from the posterior surface, occi- 

 pital condyles, to tip of the nasals (a long curve), 31- in. 41. From tip of the 

 nasals to lateral margin of occipital ridge, above the left auditory foramen, 

 26-5 in. 42. Length from anterior margin auditory fpramen to anterior margin of 

 the orbit, 12- in. 43. Thickness of the nasal bones taken at the middle, 1-4 in. 

 44. Width of ditto, ditto, 4- in. 45. Greatest contraction of the cranium between 

 the zygomatic fossa?, 5-5 in. 46. Height of the occiput above the lower plane of 

 the occipital condyles (occipital crest partly broken), 10-5 in. 47. Height of 

 jaw from edge of third premolar to convexity of nasals, left side, 107 in. 



Measurements of Lower Jaw of Cor/esi's Rhinoceros. — 1. Extreme length from 

 posterior margin of ascending ramus to broken edge of incisive beak, right side, 

 23-25 in. 2. Length of edentulous beak from beginning of diasteme, 325 in. 3. 

 Width of symphysis at contracted portion at commencement of diasteme, 27 in. 

 4. Length of line of molars, left side, as visibly exposed, 9-6 in. 4. Length of 

 ditto, right side, ditto, 9-6 in. 5. Antero-posterior length, right side, of ascending 

 ramus above alveolar level, 6-3 in. 6. Height from posterior angle to middle of 

 sigmoid notch, 97 in. 7. Length of two last molars, left side, 43 in. 8. Length 

 of anterior two, ditto, 3"1 in. 9. Length of gap between, 2-2 in. 10. Length of 

 last exposed molar, left side, 2-2 in. 11. Length of penultimate ditto, ditto, 2- in. 

 12. Length of anterior molar, ditto, 1-3 in. 13. Length of second ditto, ditto, 

 1-6 in. 14. Height of jaw at contracted part of symphysis, 2-2 in. 15. Height 

 of jaw to alveolar margin between first and second molars, right side, 36 in. 16. 

 Interval between the posterior crescents of the last visible molars, 4-4 in. 17. In- 

 terval between the anterior edges of p.m. 2, inside, 2"7in. 18. Interval between 

 p.m. 3, inside, posterior margin, 4- in. 19. Interval between anteriorends of t.m. 1, 

 4-9 in. 20. Ditto between posterior crescents of t.m. 2, inside, 4-4 in. 21. Height 

 of jaw to margin of alveolus of antepenultimate premolar, right side, 2'5 in. 



