184 Proceedings of the Royal Physical Society. 



passes in front of this tooth, it is therefore the first molar ; 

 2d, smaller than first, shorter, conical, and pointed forwards ; 

 3d, rather larger than second, conical. 



(True, 3.) 4th, two external and two internal tubercles, 

 nearly equal in size ; the internal rather the largest ; 5th, two 

 external ; and two internal and rather larger tubercles ; 6th, 

 two external ; and two internal tubercles, nearly equal, and less 

 defined ; with another smaller tubercle behind. 



Incisors. Canines. Molars. 

 2 • 2_4 1 • 1_2 6 • 6_12_18 

 2-2~i ; l-l~2 ; 6 - 6~~ 12"~ 18 

 Length of Body, from muzzle to point of tail, 10J inches ; 

 tail, J an inch, including fur, J an inch. 



Anterior Limbs : — 



Length of Arm 2\ inches ; Fore-Arm, not including hand, 

 2\ inches. 



Hand. — The first phalanges of the fingers are covered and 

 conjoined by the integuments of the hand, the two distal bones 

 being the only ones that are free ; length from wrist to point 

 of fourth or longest finger, \\ inch. 



Length of Thumb, or First Finger, from wrist, f ths of an 

 inch : of this, there is a free extremity of J an inch in length. 



Length of Index or Second Finger. — Metacarpal bone of 

 index finger measures T 3 2-ths of an inch in length. The first 

 phalanx measures x 2 2-ths of an inch, and the distal phalanx 

 T Vth of an inch in length ; the metacarpal bone of index 

 finger and first phalanx being, together, the length of the 

 metacarpal bone of the second finger. The metacarpal bones 

 of the other fingers measuring about -j^ths of an inch in length. 

 Free extremity of finger about Jth of an inch. 



Length of Third Finger from wrist, f ths of an inch. The 

 first phalanx of third finger measures T \ths of an inch ; the 

 second phalanx less than T \ ths of an inch ; and the distal one 

 rather less than r 2 2-ths of an inch. Free extremity is J of an inch. 



Length of Fourth Finger from wrist, \\ of an inch. The 

 first phalanx is nearly T 6 ¥ ths of an inch long ; the second, 

 i% ths of an inch ; and the third, about x 3 2-ths of an inch. 

 Fourth finger longest, free extremity J an inch in length. 



Fifth Finger. — Length from wrist 1 inch. The first phalanx 

 is about T 5 oths of an inch in length ; the second, fUhs of an 



