296 



INDEX. 



Page. 



Tetraspores . 36 



TJiaumantias, Pullulation 147 



Theca 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 Comattda - 87 



J. v., Development of 



Comatula - 87 



Thuret, Antherozoids of Uiva 29 



Reproduction of Nostochinese 29 



Reproduction of Fucoids 37 



Germination of unimpreg- 



nated spores - 202 



Thwaites, Germination of Palmella 28 

 Gemmae of Algse - 36 



Topical and Somatic life 177 



Trachynemaf 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 

 XJdekem, 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 



Page. 

 109 



34 



74 

 154 71, 201 



Varieties of Alternation 

 Vancheria, Reproduction 

 Vegetables, Composite Cha- 

 racter - 14, 149 

 Reproduction - 17 

 Alternation - 142 

 Tabular View - 254, 264 

 PuUulation - 149 

 Velella - - 118, 124 

 Vertebrata, Reproduction 106 

 Vesicula Prostatica - 244 

 SerainaHs - 245 

 Vinegar Plant - 47 

 Viscum, Polyembryony 184 

 ViteUigenous cells of Insects 193 

 Vitelline, Membrane 

 Viviparous Plants 

 Volvox, Reproduction 28 

 Volvocinese, do. - 31 

 Vorticellay do. - 79 

 Vrolik, Double Monsters 158 

 Wagner, Developmentof Sper- 

 matozoa - 204 

 Weber, Development of Sex 244 

 Weepiug-wiUow, Change of sex 207 n 

 Winter eggs - 194 

 Winter spores - 28 

 WoLSian 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 



Zygnema, Conjugation 25 



