INDEX. 



Page. 



Acineta-forms - - 80 



Achlya, Reproduction 34 



Algoid or fungoid nature 47 



Adventitious organization of 



zooids - 175 



JEcidiwn, Reproduction 43 



Affinities in relation to Alter- 

 nation 219 

 Agamic eggs - - 194, 198 

 Agamozooid - - 136, 247 

 Albuminous body - 58, 183 

 Alcippe, Defective Organization 176 

 Algae, Reproduction - 20, 37 

 Varieties of Gemmae 222 

 Allman, Prof., Organs of 



Hydrozoa - 122, 124, 148 



Development of the Polyzoa 160 



Reproduction of the Polyzoa 170 



AUophytoids and Allozooids 152 



Alternation of Gemmations 221 



Alternation of Generations 11, 212 



Varieties of - 12, 19, 109, 136 



Formulae of - 216 



Contrast in Plants and 



Animals - 107 



Concurrence of varieties in 



the same species 131, 137, 219 

 Representation in the higher 



species 109, 144, 157 

 Simulation of - 221 



Casual - - 221 



Page. 

 Ambiguities of Nomenclature 



126^, 132, 153 n, 227 

 Analogies in Vegetable Re- 

 production, Tables 258, 264 

 Androspore 33 



Angiospermous Phanerogamia, 



Reproduction 61 



Animals, Survey of Reproduction 68 



Tabular views - 254, 265, 271 

 Annelida, Reproduction - 99 



Alternation - 137 



Tabular view - 269 



Antheridium - 33, 36, 50 



Antherozoids - - 32, 50 



Access of - - 34, 63 n 



Ants, Metamorphosis 105 



Neuters 168 



Aphis, Reproduction 15, 133, 149 



Nature of germs 191 



Tabular view 270 



Apis, see Bee. 



Apothecium of Lichen 48 



Apus, Absence of Males 206 



Archegonium - 21 



Of Moss 50 



Homologue of the Embryo-sac 181 

 ArgonaMta, Hectocotylus 179 n 

 Articulata, Reproduction 102 



Tabular view 270 



Asca/ns, Impregnation - 69 



Germinal Development 72 



