The General Infections of the Genitalia of Swine 747 



Fig. 221 — Necrotic Swine Embryos. 



/, 2, Necrotic embryos (the membranes incised to bring them into view) 



3, a necrotic embryonic sac in which the embryo can not be found ; 



4, 5, healthy fetuses from same uterus. 



Fig. 222 — Necrotic and Healthy Swine Embryos from Same Utei- 

 /, Necrotic embryo ; 2, healthy embryo; j, necrotic tips. 



