596 



INDEX. 



Stylifer, 440. 

 Stylonychia, 100. 

 Stylops 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 inhaerens, 471. 

 Syncytium, 105. 

 Syrphus ribesii, 368. 



TABTJLATA, 146, 148, 150. 

 Tsenia, 183-183. 

 Tape-worms, 182. 

 Tardigrada. 225, 334, 573. 

 Taxonomy, 16, 22, 561. 

 Teeth, 56. 



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. 



Testacellidfe, 440. 



Tetrabranchiata, 455. 



Tetraphyllidea, 187. 



Tetrarhynchus, 183, 187. 



Tetrastemma, 163, 164. 



Teuthidge, 452, 463, 465. 



Thecosomata 435^37. 



Thysanopoda, 299. 



Thysanura, 220, 362, 363. 



Ticks, 329. 



Tissues, 17. 



Tomopteris, 207. 



Torquatella, 98. 



Torula, 38. 



Tracheae, 59. 



Tracheo-branchise, 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. 

 Triehodidte, 100. 

 Trichodina graudinella, 9o. 

 Trichoscolices, 575, 580, 581. 

 Trigonia, 69. 416. 

 Trilobita, 220, 224, 225, 573. 



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, 578-575. 



Tylos, 315. 



Types, morphological, 49. 



Typhlosole, 196, 518. 



UNIO pictorum, 415. 

 Uropoietic system, 61. 



VAGINULCS, 429. 



Vampyrdla, 75, 96. 



Vanessa atalanta, 367. 



Velella, 127. 



Ventriculites, 110. 



Veronicellidse, 440. 



Vertebrata and Invertebrata, 49. 



Vibracula, 393. 



Vibrionidaa, 89. 



Vital force, 15. 16. 



Viviparous animals, 67. 



Volvocineae, 89. 



Volvox, 89, 579. 



Vorticellida?, 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. 



XTPIIOSUBA, 228, 282. 



YEAST, 12. 

 Yeast-plant 45. 



Z 



ZOJEA, 302, 303. 



Zoanthidse, 145, 146. 



Zoanthodeme. 138. 



Zoological chronology and geography, 70. 



Zoophyta, 574. 



Zoophytic series, 580 



