466 



INDEX. 



Relations of the types of dentition to 

 types of foot, 260. 



Repetitive addition, 180. 



"Report on Geological Survey of Mon- 

 tana, Wyoming, etc.," 246. 



" Report United States Exploring Survey 

 W. 100th Meridian," 224. 



Reptilian line, the, 333. 



Respiratory and circulatory system of 

 vertebrates. 196. 



Retardation, vi, 13, 142, 182, 28*7, 385. 



Retardation and acceleration, 1 1, 43, 75, 

 175, 226. 



Retrograde metamorphosis of energy, 

 ■ 427. 



" Review of Birds of North America," 55. 



Review of modern doctrine of evolution, 

 xi, 215. 



Rhachitomi, 331, 332. 



Rhinocerus, 247. 



Rhynchocephalia, 334, 336. 



Riickhard, Rabl, 319. 



Roccus lineatus, 213. 



Rodentia, 180, 342-4, 346, 375. 



Rotifera, 315. 



Ruminantia, 223, 247, 375. 



Ryder, J. A., ix, 368, 409, 423. 



.Sacculina, 401. 

 Salamandra atra, 87. 



maculosa, 87. 

 Salmo, 4. 

 Salticus, 212. 

 Saturniidae, 316. 

 Sauropterygia, 334, 336. 

 Scaridae, 331. 

 Schlosser, 370. 

 Schopenhauer, 453. 

 Schopfungsgeschichte, xiii. 

 Schreiber, 87. 

 Scincidse, 337. 

 Sclater and Salvin, 118. 

 Scolecophidia, 340. 

 Scombridae, 331, 

 Scops asio, 4. 

 Seeley, H. G., 335, 340. 

 Segment-repetition, 182. 

 Selenodonts, 247. 



Serranidge, 331. 



Siluridae, 327. 



Simia saiyrus, 283. 



Simiidse, 180. 



Siredon, 333. 



Sirenia, 342, 347, 349. 



Smilodoti neogoBUs, 367. 



Smith, Aubrey, 86. 



Smyth, Brough, 291. 



Spelerpes, 4. 



Spencer, Herbert, viii, ix, xi, 2, 15, 413, 



444, 445, 448. 

 Spinoza, 90, 456. 



Spiritual or moral development, 157. 

 Spizella pusilla, 16. 



socialis, 16. 

 Stegocephali, 331, 332. 

 Stegophilus, 327. 

 Steindachner, 86. 

 St.-Hilaire, 91, 146. 

 Streptostylica, 334. 

 Structural evidence of evolution, the, 



241. 

 Stypolophus, 246. 

 whitiw, 360. 

 j Subordinate types of 

 244. 

 Subordinate types of 



246. 

 Suceessional relation, 7. 

 Survival of the fittest, 1 5. 

 Swainson, 96. 



Symborodonts, 248, 250, 257. 

 Synopsis of the vertebrata of the eocene 



of New Mexico, 245. 

 Synthesis of repetition, 187. 



Ta?nia, 184. 

 Taeniodonta, 343, 349. 

 Tachyglossidse, 346. 

 Talpa, 360. 

 Tapirodonts, 247, 255. 

 Tapirus, 247. 

 Taxeopoda, 342, 347. 

 Taxodium dislicimm, 86. 

 Teidae, 337. 

 Teleology, 7, 16. 

 Teleostomi, 318, 324-326. 



bunodonts, the, 

 lophodonts, the, 



