2 Echin. 
XIV. ECHINODERMA. 
Page 
c. Physiology :— 
i General.38 
ii Circulation ........ 38 
iii Respiration. 38 
iv Alimentation ....... 38 
y Excretion ........ 38 
vi Sensation ........ 39 
vii Miscellanea and Experimental .... 39 
d. Bionomics :— 
i General Accounts ...... 39 
ii Special habits ....... 39 
iii Habitat ......... 39 
iv Feeding . . . . . . . . 40 
v Defence and Protection ..... 40 
vi Locomotion ....... 40 
vii Autotomy and Regeneration .... 40 
viii Parasites and Commensals .... 40 
ix Ecliinoderms as Food ..... 41 
x Echinoderms as Rock-formers .... 41 
e. Miscellaneous :— 
i Research and Instruction ..... 41 
ii Economics ........ 42 
iii Bibliography.42 
iv Historical, Popular notions .... 42 
F. Auxology :— 
i General principles ...... 42 
ii General accounts ...... 42 
iii Formation of Gonads ..... 42 
iv Oviposition, Fertilisation, Segmentation . . 43 
v Larval stages ....... 43 
vi Organogeny, lf-12, as under II, b, i . . . 43 
vii Post-larval growth-stages ..... 44 
viii Developmental mechanics and Experimental 
Embryology.44 
(Under each of the above a—h indicate Classes as 
under IV.) 
III.—Distribution. 
a. Geographical:— 
i General . . . . . . . 45 
ii Atlantic Ocean and adjacent Seas ... 45 
iii Indian Ocean and adjacent Seas ... 46 
iv Pacific Ocean and adjacent Seas ... 46 
v Arctic Ocean and adjacent Seas ... 47 
vi Antarctic Ocean and adjacent Seas ... 47 
b. Geological:— 
i General.47 
ii Cainozoic :— 
a. General ....... 47 
b. Pleistocene ....... 47 
c. Pleiocene ....... 47 
d. Meiocene. 48 
e. Oligocene ....... 48 
f. Eocene.48 
