INDEX. 



595 



Polyzoa, ^3, 56, 380, 571, 5T2, 576. 



Polyzoarium, 3J0. 



Pontellidae, 237, 313. 



Porifera, 51, 55, 62, l.j2, lOD, 574. 



Porpita, 51, 127. 



Porites, 151. 



Prawn, 300. 



Priapulus, 216. 



Primordial utricle, IS. 



Proctucha, 15S, 102. 



Prod ictidae, 403, 404. 



Proglottis, 136. 



Prosobranchiata. 438, 430, 414. 



Protamoeba, 75, S6-SJ. 



Protein, 9. 



Proteolepas bivincta, 261. 



Proteus, 60. 



animalcules, 86. 



Protococcus, 12, 17. 



Protogenes, 75-7S, 35, 83. 



ProLoraonas, 77, 85, 89. 



Protomyxa aurantiaca, 76. 



Protoplasm, 9, 14, 



Protoplasta, 86, 574. 



Protozoa, 33, 47, 48, 54, 61, 62, 73, 102, 103, 



103, 514. 

 Protozoic series, 579. 

 Protula, 207, 215. 



Dysteri, 2o8. 



Provinces of distribution, 24. 

 Pseud-hiiemal system, 57. 

 Pseudo-filaria, b3, 89. 

 Pseudo-navicella, 88. 

 Pseudophyliidea, 137. 

 Pseudopodia, 29, 73, 75. 

 Pseudo-scorpions, 326. 

 Psychology, 9. 



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

 Ptery^otus, 233. 

 Puhcidae, 331. 



Palmogasteropoda, 59, 424, 433. 

 Pulmonary sacs, 59. 

 Pulmonata, 423-429, 440. 

 Pulvinularia, 79, 80. 

 Pupipara, 367. 

 Pycnogonida, 331, 573. 

 Pyrosoma, 514, 528. 

 giganteum, 523. 



R 



Eadiolari.v, 12, 46-43, 68, S0-S3, 93, 564, 574. 



Eedia, 179, 131. 



Reef-builders, 149. 



Eenierinae. 103. 



Keproductive system, 65. 



Respiratory system, 53. 



Rliabdocoela, 159. 



Rhabdopleura, 396, 397. 



Rhachis. 543. 



Rhizocephala, 2.53, 263. 



Rhizocrinus lofotensis, 498. 



Rhizostomidae, 124. 



Rbodope, 425. 



Rhopalodina, 470. 



Rhynchocoele turbellaria, 163. 



Rhynchonella. 398, 400. 



Rhynchonellidae, 403. 



Rock-builders, 81, 82. 



Rotalia, 78. 



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

 Rugcsa, 148, 149, 153. 



Sacgttlina purpurea, 232. 

 Sagitta. 6S, 542, 577. 

 Salpa. 36, 514, 518, 531, 532. 

 Salpingoeca, 90. 

 Sarsia prolifera, 1 20. 

 Saxicava, 408. 

 Scallop. 408. 



Scalpellum vulgare, 260-262. 

 Scaphopoda, 430-433. 

 Schizocoele, 51, 52, 219. 

 Schizopoda, 293, 299. 

 Scolopendra borbonica, 337. 



Ilopei, 338. 



Scorpio afer, 321. 



Scorpions. 59, 320, 323, 324. 



Scrupocellaria ferox, 3J2. 



Scyllarus, 294. 



Sea anemones, 113. 



Sensitive plant, 44. 



Sensory organs, 27. 



Sepiadae, 4i6,452, 463, 465. 



Sepia officinalis, 446, 453. 



Serial relations of invertebrata, 578, 



Serpulidaj, 207,214. 



Sertularidae, 117, 118. 



Shrimp, 3v»3. 



Siphonophora, 118, 127, 133. 



Sipunculiis nudus, 216-218. 



Snail, 442. 



Solenhofen slates, 136. 



Somatopleure, 57. 



Somites, 200. 



Sounds from insects, 376. 



Spat.angoida, 439. 



Spermatophores. 451. 



Sphaeromidae, 315. 



Sphierozoum ovodimare, 84, 85. 



punctatum, 84. 



Sphinx ligustri, 367. 

 Spiders, 326. 

 Spiriferidae, 403. 



Spirillum volutans, 12. 

 Spirorbis. 207. 



Spirostomum, 97. 



Spirulidae, 463. 



Splanchnopleure, 56, 5T. 



Spongida, 102, 567. 



Sponsrilla, 104, 111. 



fluviatilis, 103, 107. 



Sporocysts, 182. 



Springs, hot, living things in, 14. 



Squids, 46:3. 



Squilla, 312, 319. 



scabricauda, 318, 319. 



Star-fish, 474. 



Stentor, 100. 



Stephanoceros, 167, 169, 170. 



Sternaspis, 21.5. 



Stigmata, 59, 325, 389, 356, 374. 



Stings of insects, 372. 



Stomatopoda, 237. 317. 



Stone corals, 147, 149. 



Strepsiptera, 371, 3b7. 



Strombidium, 94. 



" Struggle for existence," 80. 



