1921] 
IX. Crustacea. 
Crust. 11 
ETHOLOGY. 
General. — Habits, etc., Nutting, 114 ; 
Carcinus mannas, van her Heyde, 79 ; 
Autotomy and Regeneration of claws, 
Callinecles sapidu.s, Churchill, 34 ; 
Feeding, Dotilla jenestrata, Bigalke, 
14 ; Borradaile, 19 ; Cirripedia, 
Nilsson-Cantell, 113; Stridulation, 
Decapoda, Hansen, 76 ; Balss, 6 ; 
Colour protection, Nutting, 114. 
Tropisms (sec also Physiology). — 
Chromotropism, Paguridea , Cotte, 42 ; 
Phototaxis, Daphnia , de Haan, 73; 
Chcmiotaxis and Phototaxis, Rose, 
134 ; Chcmiotaxis, Stack, 144. 
Phenology, Migrations, etc. — -Seasonal 
quantitative variation, horizontal and 
vertical distribution, Periodicity, daily 
vertical migration, etc., Robert, 132 ; 
Copepoda, Busch, 23 ; Ostracoda, Wolf, 
181 ; Cambarus argillicola, Cummins, 
48 ; San Francisco Bay, Schmitt, 140 ; 
Plankton, N. Dakota, Moberg, 108. 
Breeding Habits, etc. — Callinecles 
sapidus, Churchill, 34 ; Breeding 
times, etc., Armadillidium, Veriioeff, 
165. 
Habitats. — Amphipoda, Cirripedia, 
de Beauchamp and Lami, 12 ; Arma- 
dillidium, Porcellium Verhoeff, 165. 
Plankton, marine. — Fruchtl, 60 ; 
Lantzscii, 93; Leder, 95; Maru- 
kawa, 104 ; Acartia, Gianferrari, 62 ; 
Copepoda, Busch, 23 ; Rose, 134 ; 
Willey, 173. 
Plankton, freshwater. — Birge and 
Juday, 15; Ekman, 53; Haempel, 
74; Herr, 78; Kreis, 91 ; Moberg, 
108; Wundscii, 182; Pliyllopoda, 
Copepoda, Stack, 144; subterranean 
spp., Ostracoda, Wolf, 181 ; Oammarus 
limnaeus in saline habitat, Gortner 
and Harris, 63. 
In fresh-water, Palaemonetes vari- 
ous, Thompson, 161 ; Estuarine, 
Swamp, Brachyura, Rathbun, 128 ; 
Relict faunas, Ekman, 53. 
Parasitism and Symbiosis. — Cirri- 
pedia, Clarke, 36 ; On Fish, Copepoda, 
Wilson, 177, 179 ; Argulus piperatu , 
Wilson, 176 ; Argulus matritensis, 
Arevalo, 4; Leposphilus labrei , Mer- 
cier, 107 ; Mothocya, Brian, 20 ; 
Salmincola, Fasten, 55; On Tunicata, 
Copepoda, Wilson, 177 ; On crabs. 
Sxcculina, Tattersall, 155 ; On 
Pinnotheres, Onychocepon harpax , 
P6rez, 118; On CalUanassa spp., 
Clausidinm, Wilson, 178; On Mol- 
lusca, Pseudomolgus hawaiiensis, Wil- 
son, 177. 
Copepoda as hosts to Peridinian 
parasites, ChattoN, 29; Crabs as host 
of Dipterous larvae, Keilin, 83 ; 
Amphipoda as host for Gregarines, 
Poisson, 124, 125. 
Variation and Aetiology. — Intersexes, 
Daphnia allcinsoni, La Vaulx, 94 ; 
Gammarus, Sexton and Huxley, 142; 
Uca pugnax, Morgan, 111; Uca 
pugnax, Rathbun, 127; Eyeless mutant, 
Simocephalus, Bant a, 9. 
Teratology. — Cyclops, Alverdes, 1 ; 
Pinnotheres spp., de Man, 102; Eye- 
less Simocephalus, Banta, 9 ; Antennae, 
Amphipoda, Chilton, 30 ; post- ab- 
domen, Alona affinis, Herr, 78. 
Phylogeny. — Crustacea and Insecta ; 
Crampton, 44, 45, 46; Crustacea and 
Merostomata, Versluys and Demoll, 
170. 
Heredity. — Daphnia, Banta, 8 ; Ab- 
normalities, Alverdes, 1 ; Intersexual 
abnormalities, Daphnia atkinsoni, La 
Vaulx, 94. 
Origin of gynandromorphism and 
intersexuality, La Vaulx, 91 ; Origin 
of disease, Cirripedia, Clarke, 36. 
DISTRIBUTION. 
1. GEOGRAPHICAL. 
A. General. 
Palinuridae, Pesta, 120. 
B. Land and Freshwater (including 
Salt Lakes). 
Echinogammarus berilloni, Poisson, 
124 ; Ligidia, Porcellio, Oniscits, 
Veriioeff, 164; Platyarthrus, Arcan- 
geli, 3. 
Europe and Mediterranean Islands. — 
Europe ; inland lakes, bottom and 
relict faunas, Ekman, 52, 53. 
Poland, Ostracoda, Lindner, 99. 
Germany, Lepidurus productus , 
Krausse, 90; Porcellium, Armadilli- 
dium, Verhoeff, 165 ; Saxony, Pliyl- 
lopoda, Herr, 78. 
