AN EXTRA DIGIT CAl SKI) BY SI'LITTI.\(. Ol HONi: 



Such cases of polyrlactylism in the horse as this arc caused by the splitting of a single (Hgit 

 producing two digits. It is analogous to the case of the "Cloven Hooted IVnheron " which 

 appeared in the iss-ie of the Journal for October. (Fig. 13.) 



