i5< 



INDEX. 



Radiolarian ooze, 146. 

 Radiolarian quartzites, 147. 

 Radiolites, 734. 

 Radiopora, 619. 

 Ranella, 793. 

 Rapana, 794, 795. 

 Rastrites, 215, 216. 

 Receptaculites, 170, 171, 172, 173. 

 Receptaculitidce, 170, 1563. 

 Red Coral, 327. 

 Redonia, 716. 



Reef-building Corals, 256, 257. 

 Regular Echinoids, 378. 

 Remopleuridce, 528. 

 Remopleurides, 528. 

 Renter a, 163. 

 Rensselceria, 6j$. 

 Reptaria, 617. 

 Requienia, 730, 731. 

 Retepora, 609, 610, 626, 637, 638. 

 Reteporidce, 637. 

 Retiolites, 220, 221. 

 Retiolitidce, 219. 

 Retzia, 666, 667. 

 Rhabdoceras, 857. 

 Rhabdocidaris , 379. 

 Rhabdomeson, 632, 633. 

 Rhabdomesontidce, 632. 

 Rhabdophora, 210. 

 Rhabdopleura, 222. 

 Rhaphistoma, 767. 

 Rhipidogyra, 272. 

 Rhizangia, 270. 

 Rhizocephala, 497. 

 Rhizocrinus, 441. 

 Rhizomorina, 164. 

 Rhizophyllum, 299, 301. 

 Rhizopoda, 109. 

 Rhizopoterion, 175. 

 Rhizostomidce, 206. 

 Rhizostomites, 207. 

 R hod arc? a, 311. 

 Rhodocrinidce, 428. 

 Rhodocrinus, 419, 428. 

 Rhoechinus, 377. 

 Rhombina, 508. 

 Rhombopora, 610. 

 Rhopalastrum, 149. 

 Rhyncholites, 828. 

 Rhynchonella, 669, 670. 

 Rhynchonellidce , 669. 

 Rhynchoporina, 670. 

 Rhynchospira , 668. 

 Rhynchota, 595. 

 Rhynchoteuthis , 828. 

 Ribeiria, 511. 

 Richmond earth, 34, 1490. 

 Rimula, 763. 

 Ringicula, 801. 

 Rissoa, 780, 781. 

 Rissoidce, 780. 

 Rissoina, 781. 

 Robulina, 131. 

 Rocks, classification of, 9. 

 Roemeria, 319. 



?rzVz, 319. 



Rosenella, 233. 

 Rostellaria, 790, 791. 

 Rotalia, 133. 

 Rotalidce, 132. 

 Rudistce, 732. 

 Rugosa, 256, 262, 264, 276. 

 Rusichnites, 525. 

 Rusophycus, 525. 

 Rulotia, 706. 



Sabella, 471. 

 Sabellaria, 471. 

 Saccammina, 126. 

 Saccocoma, 444, 445. 

 Saccocomidce, 444. 

 Sactoceras, 840. 

 Sageceras, 858. 

 Salenia, 379. 

 Salenidce, 379. 

 Salicornaria, 635. 

 SalicornariadcB, 634. 

 Salmacis, 383. 

 Salpingostoma, 769. 

 Salterella, 808. 

 Sanguinolites, 750. 

 .S<2<?, 1529, C31. 

 £>axicava, 743, 744. 

 Scalaria, 781, 782. 

 Scalariidce, 781. 

 Scalites, 767. 

 Scalpellum, 502. 

 Scaphander, 802. 

 Scaphiocrinus, 436. 

 Scaphites, 868. 

 Scaphopoda, 819. 

 Scarabceidce, 601. 

 Schizaster, 390. 

 Schizoblastus, 463, 464. 

 Schizocrania, 654. 

 Schizodiscus, 511. 

 Schizodus, 720. 

 Schizopholis, 651, 652. 

 Schizopoda, 560, 561. 

 Schizoporella, 636, 637. 

 Schizostoma, 771. 

 Schloenbachia, 863. 

 Schmidtia, 650. 

 Scintilla, 726. 

 Scissurella, 775. 

 Sclerogorgia, 328. 

 Scolecida, 469. 

 Scolecoderma, 475. 

 Scoliostoma, 782. 

 Scolithus, 481. 

 Scorpiodea, 577. 

 Scorpion, 573, 574, 577. 

 Scorpion-flies, 598. 

 Scrobicularia, 748. 

 Scrobiculariidce, 747. 

 Scrupocellaria, 634. 

 Sculda, 562. 

 Scutella, 369, 385. 

 Scyllarus, 565. 

 Sea-anemones, 241. 

 Sea-cucumbers, 406. 

 Sea-urchins, 366. 



