596 



INDEX. 



Stylifer, 440. 

 Stylonychia, 100. 

 Stylops aterrimus, 38T. 

 Sun-animalcule, 82. 

 Sundew, 44. 



" Survival of the fittest/ - 41. 

 Sycandra raphanus, 568. 

 Sycon, 110. 



ciliatum, 106. 



Syllis, 214, 215. 



vittata, 211. 



Synapta, 440, 467. 



digitata and inhaerens, 471. 



Syncytium, 105. 

 Syrphus ribesii, 368. 



Tabttlata, 146, 148, 150. 



Taenia, 1S3-188. 



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. 



Terebratulidae, 404. 



Terebratulina septentrionalis, 400. 



Teredo, 406. 417. 



Testacellidse, 440. 



Tetrabranchiata, 455. 



Tetraphyllidea, 187. 



Tetrarhynchus, 183, 187. 



Tetrastemma. 163,164. 



Teuthidae. 452, 463, 465. 



Thecosomata, 435-437. 



Thysanopoda, 299. 



Thysanura, 220, 362, 363. 



Ticks, 329. 



Tissues, 17. 



Tomopteris, 207. 



Torquatella, 98. 



Torula, 38. 



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. 

 Trichodidse, 100. 

 Trichodina gratidinella, 96. 

 Trichoscolices, 575, 580, 581. 

 Trigonia, 69. 416. 

 Trilobita, 220, 224, 225, 573. 



Trochus cinerarius, 420. 



Tubicola, 20 7. 



Tubifex, 193, 199. 



Tubipora, 146. 



Tubularidae, 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, 518. 



U 



Unio pictorum, 415. 

 Uropoietic system, 61. 



Vaginulus, 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. 



Volvocinese, 89. 



Volvox, 89, 579. 



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



W 



Waldheimia, 398. 



australis, 399. 



Waste of living matter, 10. 

 Water in living matter, 10. 

 Willsia, 120,121. 

 Wolffian duct, 61. 



Xtphosuea, 228, 232. 



Yeast, 12. 

 Yeast-plant, 45. 



Zo.£A, 302, 303. 



Zoanthida?, 145, 146. 



Zoanthodeme, 138. 



Zoological chronology and geography, 70u 



Zoophyta, 574. 



Zoophytic series, 580 



