INDEX. 



213 



Stylaster, 31 

 Stylochus, 39 

 Stylonychia, 3, 14 

 Suberites, 17 

 Sycotypus, 116 

 Symphyla, 135 

 Synaptula, 61 

 Syncoelidium, 39, 41 

 Syzygies, 10 



TABANTTS, 136 

 Taenia, 39 



Talorchestia, 134, 151 

 Telosporidia, 2 

 Terebratulina, 56, 58 

 Termes, 136 

 Tessera, 23 

 Tetrabranchiata, 99 

 Tetrastemma, 40, 49 

 Tetraxonida, 17 

 Thaliacea, 174 

 Thallassicolla, 1 

 Thousand-legs, 164 

 Thyone, 61, 74 

 Thysanura, 136 

 Trachelomonas, 7 

 Trachydermon, 98 

 Trachylinae, 22 



Trematoda, 39, 44 

 Trichina, 51, 52 

 Tricladida, 39 

 Tritia, 116 

 Trochelminthes, 54 

 Trypanosoma, 2 

 Tubifex, 78 

 Tubipora, 23 

 Tunicate, 176 

 Turbellaria, 39, 40 



UNIO, 97, 99 

 Urochorda, 174, 175 



VENUS, 97, 99 

 Vertebrata, 174 

 Vespa, 137 

 Volvox, 8 

 Vorticella, 3, 13 



WASHING, 188 

 Water-flea, 155 



YOLDIA, 97, 99, 107 



ZOANTHARIA, 23 

 Zoothainnium, 3 



