PHYSIOLOGICAL INDEX. 



NERVOUS SYSTEM. 



Anatomy of the nervous system of Page Sec. 



Medusiform Acalephae Ill . 287 



Lesueuria 122 . 319 



Distoma 142 . 371 



Planariaj 151 . 400 



Ascaris lumbricoides 158 . 422 



Asterias 188 . 496 



Echinus 200 . 524 



Holothuria 209 . 541 



Sipunculus 213 . 553 



HOMOGANGLIATA 215 . 562 



Leech 224 . 584 



ANNELIDA 277 . 712 



MYRIAPODA 287 . 741 



INSECTA 327 . 855 



Changes that take place in the condition of the nervous system 



during the metamorphoses of Insects 360 . 931 



ARACHNIDA 367 . 947 



CRUSTACEA ; 386 . 983 



KOTIPERA 440 . 1439 



CIRRHOPODA 451 . 1166 



HETEROGANGLIATA 462 . 1191 



POLYZOA 471 . 1225 



TUNICATA 487 . 1279 



CONCHIFERA 504 . 1326 



BRACHIOPODA 516 . 1356 



GASTEROPODA 529 . 1398 



PTEROPODA 556 . 1494 



CEPHALOPODA 584 . 1564 



Nautilus pompilius 585 . 1567 



VERTEBRATA 618 . 1653 



FISHES 655 . 1801 



EEPTILIA 703 . 1976 



BIRDS 730 . 2072 



MAMMALIA 805 . 2356 



ORGANS OF THE SENSES. 

 SENSE OP TOUCH 



in Actinia 74 . 165 



in Holothuria 209 . 541 



in the Leech 225 . 586 



in Terebella 268 . 683 



in Myriapoda 281 . 719 



in Insects 330 . 862 



in Crustacea 408 . 1042 



Tentacula of Gasteropoda 523 . 1379 



