226 



INDEX 



Crozier, W. J., 126, 216 

 Ctenophore swimming plates, 66, 71 

 Currents in sponges, 25, 29 



D 



Digestive tube of vertebrates, 127 

 Diffuse nervous system, 21 



transmission in nerve-nets, 130 



E 



Effector, 19 



systems, 25 



Effects of sea- anemones, 83 

 Ehrenberg, 115 

 Eimer, T., 104, 106, 216 

 Elementary nervous system, 13 

 Engelmann, T. W., 53, 216 

 Esterly, C. O. (See Bancroft) 



Feeding of sea-anemones, 138 



Fischer, P., 152, 217 



Flesh of sponges, 26 



Fleure, H. J., and C. L. Walton, 



152, 217 

 Fontana, 115 



Food and sea-anemones, 156 

 Foster, M., 16, 217 



Hadzi, J., 118, 185, 217 

 Haime, J., 152, 217 

 Haller, 16 

 Hannover, 115 

 Hargitt, C. W., 152, 217 

 Harvey, E. N., 109, 217 

 Harvey, W., 54 

 Hatschek, B., 203, 217 

 Havet, J., 81, 217 



limulus, 56 



tunicate, 56 



vertebrate, 53, 127, 133 

 Hecht, S., 57, 58, 217 

 von Heider, A. R., 82, 120, 217 

 Helmholtz, 115 

 Hertel, E., 52, 217 

 Hertwig, O. and R., 23, 79, 89, 217 

 Hess, C., 152, 218 

 Hesse, R., 103, 218 

 Hickson, S. J., 82, 218 

 His, W., 116, 218 

 His, W., Jr., 55, 218 

 Histology of sea-anemones, 80 

 Hooker, D., 55, 218 

 Howell, W. H., 53, 218 

 Hunter, G. W., 58, 218 

 Hydroids, 175 



Galen, 14 



Ganglion cells, 115 



Gaskell, W. H., 54 



Ge, W., 139, 149, 217 



Geotropism of sponges, 28 



Gerlach, 116 



Gonionemus, 1 12 



Gosse, P. H., 152, 167, 217 



Groselj, P., 81, 118, 132, 217 



Guth, E., 51, 217 



Independent effectors, 50, 63, 199 



acontial muscle, 61 



amnion, 59 



circular muscle in actinians, 60 



embryonic vertebrate heart, 55 



limulus heart, 56 



sphincter pupillse, 50 



tunicate heart, 56 



vertebrate heart, 53 

 Invertebrate central nervous organs, 

 204 



