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Physiology '= 1011: — 
1. General. . 
2. Circulation 
3. Respiration (vacant) 
4. Alimentation (vacant) 
5. Excretion (vacant) 
6. Sensation 
7. Experimental . , 
10 
Development = 1015 
1. General principles 
.. 16 
2. General accounts 
.. 16 
3. Formation of gonads . . 
.. 16 
4. Oviposition, etc. 
.. 16 
5. Larval stages . . 
.. 16 
6. Organogeny 
.. 16 
7. Post-larval growth-stages . . 
.. 16 
8. Experimental Embryology 
. . 16 
Ethology = 1019: — 
; 
1. General accounts 
2. Special habits . . . . . . . . 
.. 16 
3. Habitat. . . . . . . . 
.. 16 
4. Feeding 
.. 16 
5. Defence and protection (vacant) 
6. Locomotion 
.. 16 
7. A utotomy and Regeneration. . 
.. 16 
8. Parasites and Commensals (vacant) 
9. Protection of young (vacant) 
10. Sexual dimorphism (vacant) 
11. Relation to other animals (vacant) 
12. Geological aspect (vacant) 
13. Phenology (vacant) 
14. Hybridization . . 
Variation and Aetiology = 1023 : — 
1. Variation in form 
.. 16 
2. Variation in colour (vacant) 
3. Variation, meristic, numerical 
.. 16 
4. Variation, meristic, homoeotic 
5. Variation, teratological 
. . 16 
.. 17 
6. Variation, bionomic . . 
.. 17 
7. Variation, mutational 
8. Evolution 
..17 
.. 17 
9. Relations to other phyla (vacant) 
10. Phylogeny 
