596 



INDEX. 



Stylifer, 440. 

 Stylonychia, 100. 

 Stylops aterrimus, 88T. 

 Bun-animalcule, b2. 

 Sundew. 44. 



'• Survival of the fittest," 41. 

 Sycandra raphauus, 5(58. 

 Sycon, 110. 



ciiiatum. 100. 



Syllis, 214, 215. 



vittata, 211. 



Synapta, 440, 467. 



digituta and Lnhserens, 471. 



Syncytium, 105. 

 Syrphus ribesii, 363. 



Tabttlata, 146, 148, 150. 



Taenia, 163-1 BS. 



Tape-worms, 182. 



Tardigrada, 2-25, 334, 573. 



Taxonomy, 16, 22, 561. 



Teeth, 56. 



Tegumentary system, 55. 



Telotrocha, 164. 



Temperature in relation to living matter, 



11, 39. 

 Tentacula, 51. 

 Tentacuiifera, 93. 

 Terebratula, 40. 



psittacea, 40. 



Terebratulidifi, 404. 



Terebratulina septentrionalis, 400. 



Teredo, 406, 417. 



Testacellidae, 440. 



Tetrabranchiata, 455. 



Tetraphvllidea, 187. 



Tetrarhvnchus, 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. 



Tracheae, 59. 



Tracheo-branchiae, 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 grandinella, 96. 

 Trichoscolices, 575, 580, 581. 

 Trigonia, 69. 416. 

 TrUobita, 220, 224, 225, 573. 



Trochus cinerarias, 420. 



Tubicola, 207. 



Tubifex, 193, 199. 



Tubipora, 146. 



Tubu'.aridae, 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 pictoruin, 415. 

 Uropoietic system, 61. 



YAGiXFLrs, 429. 



Yampyrella, 75, 96, 



Vanessa atalanta, 367. 



Velella, 127. 



Ventriculites, 110, 



Veronicellidse, 440. 



Vertebrata and Invertebrata, 49. 



Vibracula, 3U3. 



Vibrionidae, 89. 



Vital force, 15. 16. 



Viviparous animals, 67. 



Volvocincae, 89. 



Volvox, 89, 579. 



Vorticellidae, 5, 33, 48, 62, 61, 91-101. 



"Waldheimia, 898. 



australis, 399. 



"Waste of living matter, 10. 

 Water in living matter, 10. 

 Willsia, 120, 121. 

 Wolffian duct, 61. 



X 



Xtpmosttra, 228, 232. 



Yeast, 12. 



Yeast-plant, 45. 



Z 



ZoJEX. 302, 303. 



Zoanthidae, 145, 146. 



Zoanthodeme, 138. 



Zoological chronology and geography, 70, 



Zoophyta, 574. 



Zoophytic series, 5S0 



