Dwight.] 



78 



[January 4, 



tibiaB, and a and a 1 the two femora, which would account for all of the 

 various segments; but while it is not uncommon to have a single 

 limb become double towards its extremity, it is perhaps unheard of 

 to have the single limb with a double origin ; still more so to have it 

 single in the middle, as at 6, and double at each end. I think it 

 more natural to consider b a fusion of the two tibiae while a, and a 1 

 are prolongations of the fibulae upward. 



The other specimen (No. 1209) before dissection was not very 

 unlike the first. The supernumerary leg was longer, thinner and 

 separated by a greater interval from the body. There were but two 



Fig. 2. 



toes, which were of an equal number of segments and of nearly equal 

 size. The pelvis, after removal of the soft parts, was found to be very 

 peculiar. The sacrum is deflected to the right and the caudal verte- 

 brae very markedly so. (Fig. 2). Between the renal portion of the 



