S9S 



INDEX. 



Radial plates Echino- 



derms 121. 



Radials Crinoids 275. 

 Radianal 276, 277. 

 Radii Echinoderms 117. 

 Raecius 820 2 . 

 Rams-horns 835. 

 Ranatra 694 2 , 695. 

 Ranina 544 2 . 

 Raninoicles 544 2 . 

 Rasahus 693 2 . 

 Rebilus 822 1 . 

 Receptaculum ovorum 



Peripatus 505. 

 Reoeptaculum seminis 



Peripatus 565. 

 Red-spider 850 1 . 

 Reduvius 693 2 . 

 Red-water fever 850 1 . 

 Regeneration Arthro- 

 poda, 341, Asteroids 

 187, Balanoglossidn 

 Kill. Crinoids 289, 

 Echinoderms 133. 

 Echinoids 234. Holo- 

 thurians 263, Ophiu- 

 rids 203. 

 Regularia 209. 

 Reighardia 859, 863. 

 Remipes 542 2 . 

 Renal organs of Tuni- 



cata 17. 

 Renocila 489 2 . 

 Reproductive organs of 



Tunicata 17. 

 Respiratory organs Ar- 

 thropods 338. 

 Respiratory trees 258. 

 Retaster 192 1 . 

 Rete mirabile Holo- 



thurians 261. 

 Reteocrinus 296 2 , 301 2 . 

 Reticularia 171. 

 Retinacula of Sacculina 



432. 

 Retinaculum 616, 709, 



Nebalia 458. 

 Retinula 330. 

 Retropharyngeal band 



9. 



Rhabdocynthia 29 . 

 Rhabdom 331. 

 Rhabdomere 331. 

 Rhabdopleura 66, 67, 



109. 



Rhabdosoma 499, 502 2 . 

 Rhachicerns 746 2 . 

 Rhacodia 720 2 . 

 Rhagodes 832. 



Rhagovelia 693 1 . 

 Rhaphidia 702 1 . 

 Rhaphidopus 542 1 . 

 Rhaphignathus 850-. 

 Rhaphiorhynchus 747 1 . 

 Rhegaster 191 1 . 

 Rhincalanus 404. 

 Rhinobrissus 246 2 . 

 Rhinocricus 593 2 , length 



583. 



Rhinolithodes 541 2 . 

 Rhipicephalus 850 1 . 

 Rhipicera 732 2 . 

 Rhipidaster 192 1 . 

 Rhipidocrinus 296 2 . 

 Rhipidothuria 267 2 . 

 Rhipiphoridae 734 -. 

 Rhipipteryx 674 2 . 

 Rhizorephala 428, use 



of the name 433. 

 Rhizocrinus 299, 300 l . 

 apical nervous system 

 283. number of radii 

 2S'.i. altadiment 289, 

 orals 280, stem 282, 

 water pore 118. 287. 

 Rhizoglyphus 854 2 . 

 Rhizotrogus 747 2 , ovary 



638. 



Rhodaria 720 1 . 

 Rhode 821 2 . 



Rhodites 758. 

 Rhodocrmus 296 2 . 



Rhodosoma 27 ] . 

 Rhoechinus 239 1 . 



Rhombifera 309. 



Rhombognathus 851 '. 



Rhomphaea 823 1 . 



Rhopalaea 39 l . 



Rhopalocera 711. 



Rhopalodina 269 l , form 

 of body 249. 



Rhopalomeridae 750 2 . 



Rhopalopsis 39 l . 



Rhopalosoma 768. 



Rhyacophila 707 2 . 



Rhyacophylax 707 -. 



Rhychocinetes 533 l . 



Rhygchium 766. 



Rhynchites 736 1 . 



Rhynchophora 735 2 . 



Rhyncho])sylla 664. 



Rhynchopygus 245 2 . 



Rhynchota 690. 



Rhynchothorax 784. 



Rhyparobia 667 -. 



Rhyphus 746 1 . 



Rhysida 602 2 . 



Rhysodidae 729 2 . 



Rhyssa 760. 



Right hydrocoel 144, 



Asteroids 184. 

 Rivoltasia 854 1 . 

 Robber-flies 748 l . 

 Rocinela 489 2 . 

 Rock-Lobster 535 2 . 

 Roncus 836. 

 Rose sawfly, gall-fly, 



758. 



Rose-chafer 725 2 . 

 Rosette-plate 276. 

 Rostrum of Cirripedes 



419. 



Rotula 244-. 

 Rotuloidea 243 2 . 

 Rove-beetles 728 1 . 

 Ruby wasp 761. 

 Runa 243 2 . 

 Rust of carrots 750 2 . 

 Rutilia 751 2 . 



S. Am. = South America. 

 Sabacon 842 2 . 

 Sabellacheres 408 2 . 

 Sabinea 534 1 . 

 Sac of Scarabaeidae 



725 2 . 



Saccocoma 300 2 . 

 Sacculi 288. 

 Saccuhna 433 2 , larvae 



and life-history of 



429, parasite on 4! Ml-. 

 Sacred beetle 725 2 . 

 Saginae 673 2 . 

 Salda 694 2 . 

 Salenia 240 2 . 

 Saleniidae,apical system 



210. 



Salmacis 241 2 . 

 Salmacopsis 241 2 . 

 Salpa 46, 47, 53. 

 Salpida 45, development 



of 50, gemmation of 



52. 

 Salps, development of 



19. 



Saltatoria 670 2 . 

 Salteraster 188. 

 Salticus 826 2 . 

 Sand canal 129. 

 Sandhoppers 496 1 . 

 Sand-midge 746 1 . 

 Saperda 735 2 . 

 Sapphirina 407 : , males 



399. 



Sapphirinella 407 1 . 

 Saproglyphus 854 2 . 

 Sapromyzidae 750 2 . 



