596 



INDEX. 



Stylifer, 440. 

 Stylonychia, 100. 

 Stylops aterrimus, 387. 

 Sun-animalcule, 82. 

 Sundew, 44. 



" Survival of the fittest," 41. 

 Sycandra raphanus, 5(58. 

 Sycon, 110. 



ciliatum. 106, 



Syllis, 214, 215. 



vittata, 211. 



Synapta. 440, 467. 



digitata and inhaerens, 471. 



Syncytium, 105. 

 Syrphus ribesii, 368. 



Tabulata, 146, 148, 150. 



T«nia, l!s3-183. 



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. 

 TentacuUfera, 93. 

 Terebratula, 40. 



psittacea, 40. 



Terebratulidfe, 404. 



Terebratulina septentrionalis, 400. 



Teredo, 406, 417. 



Testacellidse, 440. 



Tetrabranchiata, 455. 



Tetraphyllidea, 187. 



Tetrarhynchus, 183, 1S7. 



Tetrastemma. 163,164, 



Teuthidae. 452. 463, 465. 



Thecosomata 435-437, 



Thysanopoda, 299. 



Thysanura, 220, 362, 368. 



Ticks, 329, 



Tissues, 17. 



Tomopteris, 207. 



Torquatella, 98. 



Torula, 38, 



Tracheae, 59. 



Tracheo-branchiae, 221. 



Trachynemata, 135. 



Tradescantia hair, 75. 



Trematoda, 53, 56, 157, lTl-173, 182-188, 190, 



574, 575. 

 Tremoctopus, 462. 

 Triarthra, 170, 171. 

 Trichina, 550. .551. 

 Trichocvsts, 97. 

 Trichod'idae, 100. 

 Trichodina graudinella, 96. 

 Trichoscolices, 575, 580, 581. 

 Trigonia, 69. 416. 

 Trilobita, 220, 224, 225, 578. 



Trochus cinerarius, 420. 



Tubicola, 207. 



Tubifex, 193, 199. 



Tubipora, 146. 



Tubularidae. 118, 132. 



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



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



Tylos, 315. 



Types, morphological, 49. 



Typhlosole, 196, 518. 



TJnio pictorum, 415. 

 Uropoietic system, 61. 



VAGlNULrS, 429. 



Vampyrella, 75, 96. 



Vanessa atalanta, 367. 



Veiella, 127. 



Ventriculites, 110. 



Veronicellidae, 440. 



Vertebrata and Invertebrata, 49. 



Vibracula, 393. 



Vibrionidae, 89. 



Vital force, 15. 16. 



Viviparous animals, 67. 



Volvocineae, 89. 



Volvox, 89. 579. 



Vorticellidae, 5, 33, 48, 62, 64, 94-101, 



W 



Waldheimia, 898. 



australis, 399. 



Waste of living matter, 10. 

 "Water in living matter, 10, 

 Willsia, 120, 121. 

 Wolffian duct, 61, 



XiPuosuEA, 228, 232, 



Yeast, 12. 

 Yeast-plant, 45. 



Zo^A. 302, 803. 



Zoanthidae, 145, 146. 



Zoanthodeme, 138. 



Zoological chronology and geography, 70l 



Zoophyta, 574. 



Zoophytic series, 580 



