Fig. 9i. A litter of pigs liy two ticltt-il n-d j)arfiil>. |;\hIiiiU> this form iif uliiti- splitting is not fully 

 recessive, since part of the pigs are not belted. (By courtesy of Simpson and Detlefsen.) 



Fig. 93. A belted red sow and her litter by a belted red boar. Note variation in belt or its total ab- 

 sence. (By courtesy of Simpson and Detlefsen.) 



Figs. 94 and 9.5. Foot bones of mulc-footcd (syndiutyl) swine. Only the lioof ami nearest pair of bones 



show complete fusion. ' (After Spillman.) 



