PHYSIOLOGY OF PEPSIN-FORMING GLANDS. 
711 
Gastric Glands of Snake. 
Figs. 8, 9, 10 are drawn from different regions of the same stomach, viz.: that of 
a Snake which was killed sixty hours after having eaten a Frog. A con¬ 
siderable part of the legs of the Frog were still nearly intact. 
Fig. 8. X 380. Oxyntic gland from anterior region of stomach. 
Fig. 9. X 380. Oxyntic gland from front part of the middle region of the stomach. 
Digestive changes are obvious. Only the lower part of the gland is drawn. 
Fig. 10. X 420. Posterior oxyntic gland. The digestive changes are here very 
marked; in this, as in preceding glands, the tubes usually branch; they are 
not drawn here. 
Fig. 11. X 280. Oxyntic gland, middle region of stomach. Hungry Snake ; only the 
lower part is drawn. This represents fairly closely the general condition 
of the glands drawn in figs. 9 and 10, before digestive changes set in. 
In this figure the protoplasm of the cells is made rather too dark, and most of the granules 
rather too small. 
