INDEX. 



595 



Polyzoa. 53, 56, 8S9, 571, 572, 576. 



Polvzoarium, 390. 



Poiitellid;v. ISZ, 31S. 



Porifera, 51, 55, 62. lo2, 109, 574. 



Porpita. 51, 127. 



Pontes, 151. 



Prawn. 300. 



Priapulus, 216. 



Primordial utricle, 18. 



Proctucha, 153, 162. 



ProductidsB, 403, 404. 



Proglottis. 186. 



Prosobranchiata, 43S, 439, 444. 



Pi-otamceba, 75, 86-SJ. 



Protein, 9. 



Froteolepas bivincta, 261. 



Proteus, 60. 



animalcules, 86. 



Protococcus, 12, 17. 



Protogenes, 75-78, S6. 89. 



Protomonas, 77, S5, 89. 



Protomyxa aurantiaca, 76. 



Protoplasm, 9, 14. 



Protoplasta, 86, 574. 



Protozoa, 38, 47, 43, 54, 61, 62, 73, 102, 103, 



108, 574. 

 Protozoic series, 579. 

 Protula, 207, 215. 



Dysteri, 208. 



Provinces of distribution, 24. 

 Pseud-haemal system, 57. 

 Pseudo-filaria. 88, 89. 

 Pseudo-navicella, S3. 

 Pseudophyllidea. 187. 

 Pseudopodia. 29, 73, 75. 

 Pseudo-scorpions, 326. 

 Psychology, 9. 



Pteropoda, 53, 68, 401, 424, 432-434. 

 Pterygotus, 233. 

 Puhcidae, 381. 



Pulmogasteropoda, 59, 424, 433. 

 Pulmonary sacs, 59. 

 Pulmonata, 423-429, 440. 

 Pulvinularia. 79, 80. 

 Pupipara, 367. 

 Pyenogonida, 331, 573. 

 Pyrosoma, 514, 528. 

 giganteum, 523. 



R 



Eadiolaria, 12, 46-48, 68, 80--83, 93, 564, 574. 



Kedia, 179, 131. 



Keef- builders, 149. 



Eenierinae. 10J. 



Eeproductive system, 65. 



Eespiratory system, 53. 



Ehabdocoela, 153. 



Ehabdopleura, 396, 397. 



Ehachis. 548. 



Ehizocephala. 253, 263. 



Ehizocrinus lofotensis, 498. 



Ehizostomida?, 124. 



Ehodope, 425. 



Ehopalodina, 470. 



Ehynehocoele turbellaria, 163. 



Ebynchonella. 398, 400. 



Ehynchonellidse, 403. 



Eock-builders, 81, 82. 



Eotalia, 78. 



Eotifera, 12, 56, 89, 157, 162, 166, 574. 

 Eugcsa, 148, 149, 153. 



S 



SAcrn.iv v purpurea, 262. 

 Sagitta, 68, 5SB, 077. 

 Balpa,86, 514, 518, 531, 582. 



Salpingoeca, 90. 

 Sarsia prolifera, 120. 

 Saxicava. 408. 

 Scallop, 408. 



Scalpellum vulgare, 260-262. 

 Scaphopoda. 430 433. 

 Schizocoele, 51, 52, 219. 

 Schizopoda. 293. 299. 

 Scolopendra borbonica, 337. 



Hopei, 338. 



Scorpio afer, 321. 



Scorpions. 59, 320, 323, 324. 



Scrupocellaria ferox, 392. 



Scyllarus, 294. 



Sea anemones, 110. 



Sensitive plant, 44. 



Sensory organs, 27. 



Sepiadae, 4^6,452, 463, 465. 



Sepia officinalis, 446, 453. 



Serial relations of in vertebra ta, 578. 



Serpulidae, 207, 214. 



Sertularidae, 117, 118. 



Shrimp, 303. 



Siphonophora, 118, 127, 133. 



Sipuneulns nudus, 216-218. 



Snail, 442. 



Solenhofen slates, 136. 



Somatopleure, 57. 



Somites, 200. 



Sounds from insects, 376. 



Spatangoida, 489. 



Spermatophores, 454. 



Sphaeromidae, 315. 



Sphaerozoum ovodimare, 84, 35. 



punctatum, 84. 



Sphinx ligustri, 367. 

 Spiders, 326. 

 Spiriferidae, 403. 

 Spirillum volutans, 12. 

 Spirorbis, 207. 

 Spirostomum, 97. 

 Spirulidaa, 463. 

 Splanchnopleure, 56, 57. 

 Spongida. 102, 567. 

 Spomrilla, 104, 111. 



fluviatilis, 103, 107. 



Sporocysts. 182. 



Springs, hot, living things in, 14. 



Squids, 463. 



Squilla, 312, 319. 



scabricauda, 318, 319. 



Star-fish, 474. 



Stentor, 100. 



Stephanoceros, 167, 169, 170. 



Sternaspis, 215. 



S'tigmata. 59, 325, 339, 356, 374- 



Stings of insects, 372. 



Stomatopoda. 237. 317. 



Stone corals, 147, 149. 



Strepsiptera, 371, 387. 



Strombidium. 94. 



" Struggle for existence," 30. 



