380 MICROSCOPIC ANATOMY OF THE TEETH 



Relations of areas of enamel and 



dentine, 180. 



of nerves and vessels in pulp, 208. 

 Reptiles, tooth development in, 30. 



nerve terminations in, 225. 

 Resorption of enamel tubes, 117. 

 Retzius, brown striae of, 72. 



on nerve terminations, 218, 225. 

 on nerves in fish and reptiles, 218. 

 Robin and Magitot on cement 



organ, 294. 



on external epithelium, 122. 

 on structure of follicle, 314. 

 Rodent enamel, 106. 

 Rods of enamel, 55. 

 Romer, O., on degenerated nuclei, 



340. 



on nerves of dentine, 226. 

 on non-existence of Neumann's 



sheath, 249. 



on spindles of enamel, 80. 

 on structure of dentine, 250. 

 on branching of dentinal tubes, 



243. 



Rose, C., on basal layer of Weil, 229. 

 on classification of dentines, 236. 

 on concrescence, 42. 

 on development of teeth in 



reptiles and fish, 30. 

 on incorporation of fibres from 



odontoblasts in dentine, 266. 

 on stellate reticulum, 127, 146. 

 on surface membrane in Plagio- 



stomes, 179. 



on tooth-band in birds, 3. 

 Ryder, 11. 



Salter, J., on termination of pulp 



nerves, 222. 

 Sappey, 23. 



Sarcophilus ursinus, 258. 

 Sargus, enamel organ of, 193. 



blood-vessels in, 182. 



eruption in, 350. 



staining of tubes in enamel, 86. 



vascular canals in, 94. 

 Sargus noct, 89, 186. 



ovis, 87. 



vulgaris, 90. 



Sawfish, persistent pulp in, 233. 

 Schafer, Sir E. A., on connective 

 tissue, 197. 



nutrition of enamel organ, 24. 



osteoblasts, 298. 



secretion theory in cement, 299. 

 Schreger's lines in dentine, 247. 



in enamel, 77. 



Schwann on conversion theory, 



265. 

 Schweitzer on lymphatics of pulp, 



208, 210. 



Sciurus, enamel of, 111. 

 Scleroblasts, 177. 

 Scott on origin of premolar, 36. 

 Secondary curvatures of dentinal 



tubes, 246. 



Secondary dentine, 251. 

 Secreting organ in Sargus, 184. 



in Tautoga, 187. 

 Secretion theory, 144, 265. 

 Segregation, 8. 

 Semon on habits of Ornitho- 



rhynchus, 368. 



Sensory and trophic fibres, 221. 

 Sensory nature of nerves of pulp, 



220. 



Sensory neuron, 220. 

 Serration of prisms in rat, 113. 

 Serres, glands of, 17, 310. 

 Sexual selection, 9. 

 Sharpey's fibres in cement, 290. 

 Sheath of Hertwig, 296, 320. 



source of cells of, 325. 

 Sheath of Neumann, 237, 248. 

 Shell, calcification of, 139. 

 Smreker on enamel prisms, 60. 

 Socketing of teeth, 352. 

 Sols, 137. 

 Somatic cells, 10. 

 Sorex, tubular enamel of, 84. 

 Spaces at amelo- dentinal junction, 



165. 

 Spee, Graf von, on globular bodies 



in ameloblasts, 152. 

 Speech, teeth as aids to, 3. 

 Spindles in enamel, 78. 



relation of nerves to, 220. 

 Staining of enamel, 58. 

 Starling, Professor, 227. 

 Starr on lymphatics of pulp, 210. 

 Stellate reticulum, 120. 



absence in lower vertebrates, 127. 



form of cells, 125. 



Leon Williams on, 125. 



part in calcification, 146. 



Rose on, 127, 146. 

 Sterna Wilsoni, tooth germs in, 3. 

 Stratum intermedium, blending 

 with ameloblasts, 128. 



nuclei of cells of, 128. 



processes of cells of, 133. 

 Striation in dentine, 278. 



of enamel prisms, 59. 

 Stroma in enamel organ of G.adida 1 , 

 180. 



