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Physiology == 1011: — 
1. General (vacant) 
2. Circulation (vacant) 
3. Respiration . . . . . . . . . . . . 17 
4. Alimentation, etc. .. .. .. .. .. 17 
5. Excretion (vacant) 
6. Sensation .. .. .. .. .. .. 17 
7. Experimental . . . , .. . . .. ..17 
Development = 1015 : — 
1. General principles (vacant) 
2. General accounts . . . . . . . . 17 
3. Formation of gonads . . . . . . . . . . 17 
4. Oviposition, etc. . . . . . . . . 18 
5. Larval stages ... .. .. .. .. ..18 
6. Organogeny .. .. .. .. .. ..18 
7. Post-larval growth-stages . . . . . . . . 18 
8. Experimental Embry olog}' . . . . . . . . 18 
Ethology = 1019:— 
1. General accounts . . . . . . . . . . 19 
2. Special habits . . . . .. .. ..19 
3. Habitat.. .. .. .. .. .. ..19 
4. Feeding . . . . . . . . . . . . 19 
5. Defence and protection .. .. .. .. 19 
0. Locomotion .. .. .. .. .. .. 19 
7. A utotomy and Regeneration. . .. .. .. 19 
8. Parasites and Commensals .. .. .. .. 19 
9. Protection of young . . . . . . . , . . 19 
10. Sexual dimorphism .. .. .. .. .. 19 
11. Relation to other animals .. ... .. .. 19 
12. Geological aspect .. .. .. .. ..20 
13. Phaenology .. . . .. .. .. ..20 
Variation and Aetiology = 1023 :— 
1. Variation in form .. .. .. .. .. 20 
2. Variation in colour (vacant) 
3. Variation, meristic, numerical .. .. „. 20 
4. Variation, meristic, homoeotic (vacant) 
5. Variation, teratological . . . . . . . . 20 
6. Variation, bionomic (vacant) 
7. Variation, mutational . . .. .. „ . .. 20 
8. Evolution, general principles. . . . . . ..20 
9. Relations to other phyla (vacant) 
10. Pl^dogeny .. .. .. .. .. ..20 
