INDEX. 



527 



Rhodocrinklce, i. 21i. 



RJwclocrinus, i. 274. 



Rhodophyllum, i. 216. 



Rhoechinus, i. 237. 



Rliomhina, i. 346. 



Rhombus, ii. 127, 128. 



Rhopalastrum, i. 132. 



Rhiis, ii. 476. 



Rhynchocephalia, ii. 204. 



Rhynchoceti, ii. 313, 314. 



PJiynclwdus, ii. 154, 155. 



Rhyucholites, ii. 55. 



Rhynchonella, i. 441, 449. 



Rhynclwnellidoe, i. 438, 440, 441, 442, 



449, 450. 

 Rhynchosaurus, ii. 202, 204, 222. 

 Rhynchoteuthis, ii. 55. 

 Rhytidolepis, ii. 459, 461. 

 Rhytina, ii. 310, 311, 312. 

 Ribeiria, i. 351. 



Richmond Earth, i. 23; ii. 430, 431. 

 Pdmula, ii. 31, 32. 

 Ringicida, ii. 11, 12. 

 Rissoa, ii. 21, 24, 25. 

 Rissoina, ii. 24. 

 Robinia, ii. 476. 

 Robidina, i. 101, 114. 

 Rocks, definition of, i. 8; classification 



of, i. 9. 

 Rodentia, ii. 404. 

 Roebuck, ii. 361. 

 Rostellaria, u. 8, 9. 

 Rotalla, i. 102, 109, 116. 

 Rotalidea, i. 106. 

 Rudistes, i. 493. 

 Rugusa, i. 153, 154 ; characters of, i. 



206-210 ; famines of, i. 210-218. 

 Ruminantia, ii. 318, 353. 

 Rupicapra, ii. 365. 

 Rusichnites, i. 361. 

 RusopJiycus, i. 361. 



Sabal, ii. 470, 473. 

 Sabella, i. 310. 

 Sabellaria, i. 310. 

 Saccammina, i. 112, 113. 

 Saccosoma, i. 265, 266, 285. 

 Sagenaria, ii. 443, 458. 

 Salamander, ii. 175. 

 Salenia, i. 230, 233. 

 Saleniadce, i. 231, 233. 

 Salicornaria, i. 427, 428. 

 Scdicornariadce, i. 427t 

 Salix, ii. 469. 

 Salmonidce, ii. 125. 

 Salterella, ii. 50. 

 Sanguinolarla, i. 506. 

 Sanguinolites, i. 509. 

 -Sao, i. 357, 360, 363, 365, 368. 

 Sassafras, ii. 469. 

 Saturniidoe, i. 407. 

 Satyridce, i. 408. 

 Satyrince, i. 407. 

 Sauranodon, ii. 216. 

 Sauranodonta, ii. 216. 

 Sauria, ii. 201. 



Saurillus, ii. 205. 



Saurocepludus, ii. 126. 



Satirocetes, ii. 317. 



Saurodipterini, ii. 140, 142. 



Sauropoda, ii. 237. 



Scmropterygia, ii. 190, 218-222. 



Saurornithes, ii. 254, 267, 268. 



Saurosternon, ii. 205. 



Saururce, ii. 254, 267, 268. 



Saxicava, i. 506, 507. 



Scalana, ii. 4, 19, 20. 



Scalariadm, ii. 20. 



Scales of Fishes, ii. 109. 



Scalidce, ii. 20. 



Scalites, n. 30. 



Scalpellum, i. 340. 



Scansores, ii. 264. 



Scaphaspis, ii. 148. 



Scapkites, ii. 75, 84, 85. 



Scapirhynchus, ii. 132. 



Scelidotheriuni, ii. 304. 



Schistopleurum, ii. 306, 307. 



ScMzaster, i. 243. 



Schizodus, i. 490, 499. 



Scissurella, ii. 27, 28. 



Sciuravus, ii. 411. 



Sciuridce, ii. 411. 



Sciiirus, ii. 411. 



Sclerobasica (Zoantharia), i. 178. 



Sclerodennata {Zoantharia), i. 179. 



Sclerogenidce, ii. 128. 



Scolecida, i. 224. 



Scolithus, i. 318. 



Scomberidce, ii. 128. 



Scorpion, i. 400. 



Scorpionidce, i. 399, 402. 



Scrobicularia, i. 506. 



Scrupocellaria, i. 427, 428. 



Scutella, i. 228, 241. 



Sea-auemones, i. 177. 



Sea-cucumbers, i. 305. 



Sea-urchins, i. 226. 



Seals, ii. 392, 



Sedimentary rocks, origin of, i. 12. 



Selachii, ii. 156, 161. 



Selenaria, i. 429. 



Selenariadce, i. 429. 



Selenodonta {Artiodactyla), i. 341. 



Serinele, i. 506. 



Semnopithecus, ii. 420, 421. 



Sepia, ii. 56, 90, 



Sepiadm, ii. 58, 59, 88, 90. 



Septa, of corals, i. 181, 182, 183, 184 ; 

 of the shell of Tetrabranchiate Cepha- 

 lopods, ii. 62, 63. 



Septastrma, i. 193. 



Sequoia, ii. 473, 474. 



Seraphs, ii. 8. 



Seriatopora, i. 191, 198. 



Serpula, i. 310. 311, 314, 315. 



Serpulites, i. 3i0, 313. 



Sertularida, characters of, i. 158 ; dis- 

 tribution of, in time, i. 159. 



Sessile Cirripedes, i. 335. 



Sharks, ii. 161, 



Shrew-mice, ii, 415. 



