318 



MERISTIC VARIATION. 



[part I. 



digit there is given off a rudimentary digit, which has however a 

 complete claw, but its bones do not differentiate it as right or left. 



II 





Fig. 85. I. Eight pes of Cat No. 473, shewing condition III of the pes. 



II. Right pes of Cat No. 472 shewing Condition II of the pes. 



as, astragalus, c 1 , c 2 , c 3 , three ossifications representing the ento- and meso- 

 cuneiforms of the normal, cb, cuboid, clc, calcaneum. d 1 — d 6 , the digits numbered 

 from the inside, ect, cu, ecto-cuneiform. nav, navicular. 



(From specimens in Coll. Surg. Mus. ) 



The " pollex", d 1 , has two phalanges and is rather slender. The 

 trapezium which bears it is not separated from the scaphoid. 

 (Fig. 86). [Condition IV of the manus.] 



Right manus. This is exactly like the left manus so far as can 

 be seen from the dissection, except for the fact that the rudimentary 

 digit borne by the large digit external to the " pollex" is much 

 more reduced than in the case of the left manus. The digit which 

 supports it is fashioned as a left digit. [Condition IV of the 

 manus.] 

 *473. Cat having digital series of all feet abnormal, being the 

 specimen in Mus. Coll. Surg., Teratol. Catalogue, 306 B. 



