TRICHECHUS. 165 



4. Skull, with mandible ; length, condylo-premaxillary, in 



straight line 15 inches, over curve 20 inches. Tusk, 



length of, 12 inches, girth 6| inches. Length of 



11 4 4 



mandible lOJ inches. Dentition : c. 7^ k, P-C -7 7. 



* 0^ 4 4 



Monro Collection. 



5. Skull, with mandible ; length, condyls absent, in straight 



line 14 inches, approximately. Tusk 8f inches 



long, girth 5^ inches. Mandible, length 8 inches. 



11 4 4 



Dentition: q Q>pc. g g- 



(). Skull, with mandible ; length in straight line 13^ inches, 

 over vertex 19 inches. Tusk, length 10 inches, girth 

 at socket 5| inches. Mandible, length Si inches, 



r» rf 1144 



Dentition: c. ^ ^, p.c. ^ ^. 



7. Skull, with mandible ; length in straight line 12i inches, 



over vertex 18 inches. Tusk 15h inches, girth 5| 



inches. Mandible 9{ inches long. Dentition '■ (^- t^ k> 



4 4 

 P-^-4 4- 



8. Skull, with mandible ; length in straight line 16f inches, 



over vertex 22 inches. Tusk, length 13 inches, girth 



6 inches, laterally compressed. Mandible, length 12 



11 4 4 



inches. Dentition: c. - /r, p.c. -r 7- 



0^ 4 4 



9. Skull, without mandible, adult male. 



Donor — Sir Wm. Turner. 



10. Skull, much broken, with mandible, immature. Occipital 



bone wanting Tusk, length 7f inches, girth 4<^ 



inches, laterally compressed. Mandible 9| inches. 



11 4 4 



Dentition : c. 7, 7, , p.c. -r t- 



0^ 4 4 



11. Skull, fore part of, with tusks and broken mandible, imma- 



ture. Tusk, length 2 inches, girth 2 J inches. Dentition : 

 .00 11 44 



^''' 0' ^' ' P-^- 4 4' 



12. Skull, immature, with mandible; length 12| inches, over 



vertex 18 inches. Tusk, length 7 inches, girth 3| 



inches, laterally compressed. Mandible, length 8f 



11 4 4 



inches. Dentition : c. t, ^ , p.c. j t • 



