AUTHOR INDEX 



171 



Wheeler, L. R. 14 

 Williams, A. 143, 144 

 Williams, R. 19 

 Willmer, E. N. 31, 44, 49 



WOHLER, F. 7 



York, D. 140 

 Yudkin, J. 114-119 

 Yudkin, W. H. 122, 123, 124 

 Zeuner, F. 137 

 Zinsser, H. 22 



SUBJECT INDEX 



Acoela, 83, 95, 98-100 



Aequorea, 85 



Alcyonium, 79 



Algae, relation to Protoza, 33-35 



relation to Metazoa, 46-48 

 Ameria, 94, 110 

 Amino acids, 11 

 Amoeba, 26, 35 

 Amphioxus, 65, 83, 97, 119 

 Amphipholis, 126 

 Ammonia, 127 

 Annelid superphylum, 105 

 Antedon, 121 

 Anthea, 116, 117, 119 

 Anthosigmelia, 132 

 Anthozoa, 68, 79, 81, 82, 83, 93 

 Antipathes, 82 

 Anus, 68, 102-105 

 Apis, 126 

 Aphrodite, 126 

 Arbacia, 12, 124, 131 

 Archigastrula, 66 

 Articulata, 108 



Arginine phosphate, 112 et seq. 

 Aschelminthes, 108 

 Ascidia, 117, 119 

 Assumptions, 6 et seq., 150 et seq. 

 Astaciis, 102 

 Astasia, 29, 30 

 Asterias, 117, 119, 131 

 Amelia, 76, 79, 114 

 Autotrophic bacteria, 22-23, 25 

 Bacteria, relation to Protozoa, 24-25, 

 151 



Bacteriophage, /aa'ng 18, 19 



Balanoglossus, 117, 119, 120, 124 



Bilateria, 106-107 



Bilateral symmetry, 52-54, 81, 90 



Biogenesis, 7, 150-151 



Bions, 15 



Biogenetic fundamental law, 65 



Blastopore formation, 101-105 



Blastula, 59, 69, 70, 83, 96 



Bombyx, 126 



Bodoines, 41 



Bonellia, 72 



Calliactis, 127 



Cambridge, 1 



Camelidae, 149 



Capitella, 102 



Carchesium, 41 



Caridina, 102 



Cellularisation, 43 



Centrostephanus, 124 



Ceratium, 40 



Chemoautotrophs, 22, 23, 24 



Chlamydomonas, 26, 29, 36, 37, 47, 95 



Chlorophyll, 31 



Choanoflagellata, 57 



Choanocytes, 54, 55, 70 



Cholesterol, 131 



Chonotricha, 27 



Chordonia, 110 



Christianity, 2, 4 



Church, 1, 2, 3 



Cleavage, in Ctenophores 



radial, 92 



spiral, 92 

 Clymene, 127 



