296 



INDEX. 



Page 



Tetraspores . 36 



Thaumantias, Pullulation 147 



Tlieca of Fungus and Lichen 42 



Of Moss - 50 



Thecaspore 42 



Theory, Use in science 17 



Thomson, Prof. A., Nomenclature 9 



Genetic Cycle of Polypifera 128 



Double embryos - 158 



Prof. Wyville, Development 



of Comatula 87 



J. V., Development of 



Comatula - 87 



Thuret, Antherozoids of Uiva 29 



Reproduction of Nostochineae 29 



Reproduction of Fucoids 37 



Germination of unimpreg- 



nated spores 202 



Thwaites, Germination of Palmella 28 

 Gemmae of Algae - 36 



Topical and Somatic life 177 



Trachynema, Direct Develop- 

 ment - - 130 

 Trematoda, Reproduction 95, 112 

 Tabular View 268 

 Analogies in Cestoidea 153 

 Tremellineae, Reproduction 45 

 Trichina, Development 99 n 

 Tulasne, Reproduction of Fungi 41, 48 

 Vegetable Impregnation 62 

 Tunicata, Reproduction 89 

 Typical form of Polypifera 120, 128 

 Udekem, Metamorphosis of 



Infusoria 80 



Ulvaceae, Reproduction 29, 31 



Unimpregnated ova, Develop- 

 ment - - 191, 199 

 Incipient 202 

 Uredo, Development . 42, 43 

 Uterus, Homology . 244 

 Valentine, Furcation of Embryo 159 

 Variability of Pullulation 153 



Pago, 



Varieties of Alternation 109 



Vancheria, Reproduction 34 



Vegetables, Composite Cha- 

 racter 14, 149 

 Reproduction 17 

 Alternation 142 

 Tabular View - 254, 264 

 Pullulation - 149 

 Velella - - 118, 124 

 Vertebrata, Reproduction 106 

 Vesicula Prostatica - 244 

 Seminalis 245 

 Vinegar Plant - 47 

 Viscum, Polyembryony 184 

 Vitelligenous cells of Insects 193 

 Vitelline, Membrane 74 

 Viviparous Plants - 154 n, 201 

 Volvox, Reproduction 28 

 Volvocineae, do. - 31 

 Vorticella, do. 79 

 Vrolik, Double Monsters 158 

 Wagner, Developmentof Sper- 

 matozoa - 204 

 Weber, Development of Sex 244 

 Weepiog- willow, Change of sex 207 n 

 Winter eggs 194 

 Winter spores 28 

 Wolffian Bodies, Development 



and Relations - 244 



Worms, Intestinal - 94, 153 



Annelidan 99 



Wright, Dr., Reproduction of 



Polypifera 83, 123 



Organization - 147 n, 180 



Yolk, Cleavage 71 



Supplementary - 74 



Zooids - 10, 13, 109 



Gradation into Organs 173 



Adventitious Organization 175 



Zoophytic Organization 14, 82, 149 



Zoospores - - 28, 32, 37 



'ygnema, Conjugation 



25 



