11 Echin. 
Subject Index — Distribution. 
1027 
DEVELOPMENT. 1015 
2. General accounts. 
Macbride, 84, 
3. Formation of gonads. 
Herlant, 63. 
4. Oviposition, etc. 
Cutler, 38 ; Drz, 40 ; Herlant, 63, 
64, 65, 66 & 67 ; Osterud, 101. 
5. Larval stages. 
Gemmill, 48; Herlant, 63 ; Macbride, 
83 & 85 ; Ohshima, 98 ; Osterud, 101 ; 
Runnstrom, 106. 
6. Organogeny. 
Osterud, 101. 
7. Post-larval growth-stages. 
Gemmill, 48; Greig, 54; Hawkins, 
58 ; Osterud, 101 ; Runnstrom, 107 ; 
Williams, 120. 
9. Experimental Embryology. 
Cutler, 38 ; Drz, 40 ; Herlant, 64, 65, 
66 & 67 ; Lillie, 82 ; MacBride, 83 ; 
Runnstrom, 106. 
ETHOLOGY. 1019 
2. Special habits. 
Williams, 120. 
3. Habitat. 
Bush, 16 ; J., 70 ; Kindle & Whittaker, 
76 ; Kjerskog-Agersborg, 77 ; Osterud, 
101 ; Williams, 120. 
4. Feeding. 
Kjerskog-Agersborg, 77 ; Spencer, 
112; Ulrey, 118 ; Wintzell, 124. 
5. Defence and Protection. 
Gruenberg, 55. 
6. Locomotion. 
Kjerskog-Agersborg, 77 ; Williams, 
120 ; Wintzell, 124. 
7. Autotomy and Regeneration. 
Spencer, 112, ; Ulrey, 118 ; Zirpolo, 
126 & 127. 
8. Parasites and Commensals. 
Gravier, 53 ; Moodie, 93 ; Mortensen, 
and Stephensen, 96. 
9. Protection of young. 
Osterud, 101 ; Ulrey, 118. 
13. Phenology. 
[Anon.] 2. 
14. Hybridization. 
Bush, 16. 
VARIATION ANI) AETIOLOGY. 
1023 
1. Variation in form. 
Osterud, 101. 
2. Variation in colour. 
Crozier, 37. 
3. Variation, meristic, numerical. 
Kjerskog-Agersborg, 77. 
5. Variation, teratological. 
Zirpolo, 126. 
10. Phylogeny. 
Bather, 7 ; Hawkins, 58 ; Jaekel, 
72 ; Spencer, 112. 
DISTRIBUTION. 1027 
A. Geographical. 
11. Atlantic Ocean, etc. 
Clark, 28, 30 & 31 ; Hawkins, 58 ; 
Howarth, 69 ; Mayer, 90 ; Nutting, 
97. 
iii. Indian Ocean. 
Eckman, 43 ; Johnson, 73 ; Kindle 
& Whittaker, 76 ; Willy, 131. 
iv. Pacific Ocean, etc. 
Bush, 16; Clark, 26 & 30; Kjerskog- 
Agersborg, 77 ; MacCaughey, 86 ; 
Matsumoto, 88 & 89 ; Mortensen, 95 ; 
Mortensen & Stephensen, 96 ; Osterud ; 
101 ; Ulrey, 118. 
vi. Antarctic Ocean, etc. 
Mortensen, 94. 
vii. Malaysia. 
Clark, 25, 27 & 30. 
