596 



INDEX. 



Stylifer, 440. 

 Stylonychia, 100. 

 Stylop's aterrimus, 387. 

 Sun-animalcule, 82.' 

 Sundew, 44. 



" Survival of the fittest,'' 41. 

 Sycandra raphanus, 568. 

 Sycon, 110. 

 — — ciiiatum. 106. 

 Syllis, 214, 215. 

 — — vittata, 211. 

 Synapta, 440, 467. 



digitata and inhserens, 471. 



Syncytium. 105. 

 Syrphus ribesii, 368. 



Tabulata, 146, 148, 150. 



Taenia, 1S8-183. 



Tape-worms, 182. 



Tardigrada, 225, 334, 573. 



Taxonomy, 16, 22, 561. 



Teeth, 56. 



Tegumentary system, 55. 



Telotrocha, 164. 



Temperature in relation to living matter, 



11, 39. 

 Tentacula, 51. 

 Tentaculifera, 93. 

 Terebratula, 40. 



psittacea, 40. 



TerebratulidaB, 404. 



Terebratulina septentrionalis, 400. 



Teredo, 406, 417. 



Testacellida?, 440. 



Tetrabranchiata, 455. 



Tetraphyllidea, 187. 



Tetrarhvnchus, 183, 187. 



Tetrastemma. 163, 164. 



Teuthidse, 452, 463, 465. 



Thecosomata 435-437. 



Thysanopoda. 299. 



Thysanura, 220, 362, 363. 



Ticks, 329. 



Tissues, 17. 



Tomopteris, 207. 



Torquatella, 98. 



Torula. 3S. 



Trachea?. 59. 



Tracheo-branchia?, 221. 



Trachynemata, 135. 



Tradescantia hair, 75. 



Trematoda, 53, 56, 157, 171-173, 182-188. 190, 



574,575. . 

 Tremoctopus, 462. 

 Triarthra. 170.171. 

 Trichina. 550, 551. 

 Trichocvsts. 97. 

 Trichodida?, 100. 

 Trichodina graudinella, 9o. 

 Trichoscolices, 575, 580, 581. 

 Triironia. 69. 416. 

 Trilobita, 220, 224, 225, 573. 



Trochus cinerarius, 420. 



Tubicola, 207. 



Tubifex, 193, 199. 



Tubipora, 146. 



Tubularidse, 118, 132. 



Tunicata, 53, 55, 59, 67, 510, 576. 581. 



Turbellaria, 45, 51, 56-61, 65, 157, 573-575. 



Tylos, 315. 



Types, morphological, 49. 



Typhlosole, 196, 51S. 



TJyio pictorum, 415. 

 Uropoietic system, 61. 



Vaginites, 429. 



Vampyrella. 75. 96. 



Vanessa atalanta, 367. 



Velella, 127. 



Ventriculites, 110. 



Veronicellidae, 440. 



Vertebrata and Invertebrata, 49. 



Vibracula, 393. 



Vibrionidae, 89. 



Vital force, 15. 16. 



Viviparous animals, 67. 



Volvocineae. S9. 



Volvox, 89, 579. 



Vorticellida?, 5, 33, 48, 62, 64, 94-101. 



W 



Waldheimia, 398. 



australis. 399. 



AVaste of living matter, 10. 

 Water in living matter, 10. 

 Willsia, 120,121. 

 Wolffian duct, 61. 



XTPiiostTRA, 228, 282. 



Yeast, 12. 

 Yeast-plant, 45. 



Zo.£A. 302, 303. 



Zoanthida?. 145, 146. 



Zoanthodeme, 138. 



Zoological chronology and geography, 70. 



Zoophyta, 574. 



Zoophytic series, 580 



