C Ooel. 
IV. Coelenterata. 
[1921] 
Wheeler, C. vide Clarke, F. W. 
99. — Will, L. Die Volumenreduktion 
der Nesselkapsulen bei der Explosion 
und infolge “ Alterns. 5 ’ Anat. Hefte, 
Wiesbaden, 1. Abth. 57 1919 pp. 483- 
545 4 plates 5 t.ff. 
100. — Willey, W. and Huntsman, 
A. G. Faunal notes from the Atlantic 
Biological Station (1920). Canadian 
Field-Nat. Ottawa 35 1921 (1) pp. 1-7. 
101. — Wilson, A. E. The range of 
certain Lower Ordovician Faunas of 
the Ottawa Valley, with descriptions 
of some new species. Mus. Bui. Ottawa 
33 1921 pp. 19-57 3 pis. 7 t.ff. 
II.— SUBJECT INDEX. 
GENERAL AND MISCELLANEOUS. 
Classification and Nomenclature. — 
Pociie, 73, 74 ; Stechow, 82 ; Ste- 
phenson, 82 ; Stiasny, 84. 
Fossil imprints. — Gortani, 36, 37. 
Chemical constituents. — Bordensky, 
6 ; Clark & Wheeler, 16 ; Hatai, 42 ; 
Haurowitz, 43 ; Myers, 67. 
Corals and coral-reefs. — Davis, 21, 
22, 23 ; Plate, 72. 
STRUCTURE. 
Antipatharia ; Dantan, 20. — Axis of 
Gorgonacea ; Schimbke, 77.— Structure 
of fossil Anthozoa ; Jaekel, 51. — Oto- 
cysts of Gonionemus ; Thomas, 89. — - 
Structure of mesogloea and question 
of mesoderm in Antipatharia ; Dan- 
tan, 20. — Female genophores of Tubu- 
laria ; Benoit, 4. — Sting-cells ; Will, 
99. 
PHYSIOLOGY. 
Respiration. — Cary, 10 ; Collip, 18. 
— Light production of Cavernularia ; 
Harvey, 41. — Phototropisme des Ac- 
tinies ; Cotte, 19. — Nutrition and 
digestion of Antipatharia ; Dantan, 
20. — Correlation between magnesia con- 
tents and temperature in Alcyonaria ; 
Clark & Wheeler, 16. — Growth-rate 
of Floridan and Bahaman shoal-water 
corals; Vaughan* 91. — Nervous sys- 
tem ; Cary, 9 ; Mayer, 61, 62, 63.— 
Axial gradients in Hydrozoa ; Child, 
15. — Medusae ; Schaefer, 76. 
DEVELOPMENT. 
Division and regeneration in Hydra ; 
Coetsch, 33, 34; Boecker, 7. — Life 
cycle of Cunina ; Hanitzch, 40. — 
Bolocera tuediae ; Gemmill, 31. — 
Growth of Antipatharia ; Dantan, 
20. — Coeloplana ; Krempf, 55. 
ETHOLOGY. 
Habi' s of medusae. — Briggs, 8; Gem- 
mill, 32; Light, 58; Perez, 71; 
Townsend, 98. — Coeloplana ; Krempf, 
55. — Unusual method of’ feeding in 
Hydra ; Goetsch, 35. — Cerianthus 
llodyi ; Scott, 79. — Obligate para- 
sitism and vitality of Actinia bermu- 
densis, Fulton, 29. — Commensalism and 
symbiosis. — Clarke, 17 ; Krempf, 55 ; 
Nutting, 68 ; Stiasny, 84. 
VARIATION AND PHYLOGENY. 
Bhizostomae ; Stiasny, 84. — History 
of Corals ; Raymond, 75. — Variation 
in ephyrae of Aurelia ; Low, 59. — - 
Evolution of Acalcphae ; Lameere, 
57. — Phylogeny of Nephthyidae ; Ku- 
kenthal, 56. 
DISTRIBUTION. 
1— GEOGRAPHICAL. 
A. — Marine. 
Atlantic (including Mediterranean). — 
English coasts, Coelenterata ; Wa dding- 
ton, 97. — U.S.A., Medusae, Hunts- 
man, 100. — West Indies, Coelenterata, 
Nutting, 68. — Mediterranean, Anti- 
patharia, Dantan, 20 ; Medusae, 
Grobben, 39 ; Gonionemus, Joseph, 
52 ; Siphonophora, Moser, 65, 66. 
Indian Ocean. — Alcyonaria, Kuken- 
thal, 56. , 
Pacific Ocean. — Madreporaria Fun - 
gida, van der Horst, 49 ; Cyanea , 
Stiasny, 85 ; Medusae, Light, 58 ; 
Ctenophora, Komai, 54. 
Southern Ocean. — Sarcodictyon, Hick- 
son, 47 ; Alcyonacea, Thomson, 90 ; 
Medusa, Briggs, 8. 
B. — Fresh Water. 
Schulze, 78; Tattersall, 88. 
