394 J. M. D. OLMSTED 
VintscuGat, M. von, uND HéniascumieD, J. 1876 Nervus Glossopharyngeus 
und Schmeckbecher. Arch. f. gesam. Physiol., Bd. 14, 8. 443-448. 
WaLLER 1852 Observations sur les effets de la section des racines spinales et 
du nerf pneumogastrique au-dessus de son ganglion inférieur chez 
les Mammiféres. Compt. Rend. Acad. Sci., Paris, T. 34, pp. 582-587. 
Wricut, R. R. 1884 On the skin and cutaneous sense organs of Amiurus. 
Proc. Canadian Inst., N.S., vol. 2, pp. 251-269. 
PAGE 1: 
EXPLANATION OF FIGURES ' 
All figures are from photomicrographs of preparations from Amiurus. The 
approximate magnification of each figure is given. i 
1 Parasagittal section through normal taste bud. Nerve passes up to bud 
through dermal papilla at a; blood vessel, b, with erythrocytes at base of bud. 
x 450. 
2 Sagittal section through normal taste buds. Fibrillar area beneath bud 
at a. Included pigment cells with cytolyzed areas at b, c. Similar pigment 
cell in epidermis at d. X 450. 
3 Similar to figure 2. Small included leucocyte, a; larger leucocyte, 6; 
early pigment cells with cytolyzed areas, c,d. X 480. 
4 Normal nerve. X 450. 
5 Peripheral end of cut nerve seven days after operation. X 450. 
6 Peripheral end of cut nerve nine days after operation. X 450. 
7 Peripheral end of cut nerve thirteen days after operation. X 450. 
8 Sagittal section of amputated end of denervated barbel, showing no re- 
generation, simply closure of wound, two weeks after operation. Taste buds 
have disappeared. XX 125. 
9 Same as figure 8. X 125. 
