xlii PHYSIOLOGICAL INDEX. 



SENSE OP TOUCH (continued] Page Sec. 



in Cephalopoda 586 . 1574 



in Fishes . -. - 659 . 1817 



in Reptiles 710 . 2008 



in Birds 731 . 2075 



in Mammals 816 . 2404 



SENSE or SMELL 



in Insects <**i . 804 



in Crustacea 409 . 1047 



in Nautilus pompilius 590 . 1581 



in Fishes 656 . 1804 



in Reptiles 705 . 1980 



inBirds 732 . 2077 



in Mammals 807 . 2362 



SENSE OP VISION. 



" Pedunculated eyes " of Acalepha; . . 112 . 288 



Oculiform organ of Lesueuria 122 . 319 



_ Asterias 189 . 497 



Eyes of Leech 225 .' 587 



Structure of the eye of Torrea vitrea 278 . 713 



Simple oceUi of Insects 332 . 870 



Compound eyes of Insects 332 . 871 



Eyes of Arachnida 380 . 975 



Crustacea 409 . 1043 



_ simple 409 . 1044 



agglomerated 409 . 1045 



_ compound 409 . 1046 



Cirrhopoda 453 . 1171 



the Scallop (Pecteri) 504 . 1329 



Snail 529 . 1400 



other Gasteropoda 547 . 1461 



Pteropoda (Clio) 557 . 1495 



Nautilus pompilius 590 . 1583 



Cuttle-fish (Sepia) 592 . 1587 



Fishes . 656 . 1806 



Reptiles 705 . 1984 



Birds 732 . 2078 



Mammalia 810 . 2374 



SENSE OF HEARING. 



' Auditory capsules " of Hydrozoa 112 . 289 



Medusae 112 . 289 



_ Annelidans (Arenicola) 279 . 714 



Hearing of Insects 331 . 865 



__ Crustacea 409 . 1047 



" Acoustic sacculus " of Cirrhopoda 454 . 1173 



. Conchifera 505 . 1330 



Gasteropoda 548 . 1462 



Ear of the Cuttle-fish 596 . 1598 



Organ of hearing in Fishes 660 . 1820 



Reptiles 707 . 1996 



Birds 737 . 2090 



--Mammalia 812 



LOCOMOTIVE SYSTEM. 



Locomotive apparatus of the Infusoria 34 . 66 



Acalephae 119 . 309 



Locomotive organs of Asterias 166 . 439 



_ Echinus 192 . 506 



Sipunculus * ."., . 210 . 546 



