438 Avian Diphtheria and Chicken Pox. 



variety of the true diphtheria bacillus, has repeatedly been found in 

 birds (Gratia & Lienaux). 



At present the ' view that the Klebs-Loeffler bacillus may occa- 

 sionally produce membranous pharyngeal inflammation in animals 

 is justified; such cases, however, are to be differentiated from true 

 diphtheria of man and from the true diphtheria of animals, as eases 

 of pseudo-diphtheria 



Literature. Klebs, Verli. d. Kongr. f. inn. Med., Wiesbaden, 1883.— Loffler, 

 Mitt. d. G.-A., 1884, II.— Galli-Valerio, Cbl. f. Bakt., 1897, XXII, 500.— Gallez, 

 Ann., 1895, 309.— Gratia & Lieneaux, Ann., 1898, 401.— Beck, lib. d. p. M., 1903, 

 11, 754 (Lit.). 



