14 Cruel. 
IX. Crustacea. 
[1922] 
Cladoceran ; Cannon, 43 ; Brood- 
plates, Asellus acquaticus ; Emden, 
82 ; Rudimentary eyes, cavemicolous 
Decapoda ; Harms, 107 ; Eyes, retinal 
elements, etc., Gebia, Callianassa ; 
•Scheuring, 192 ; large nerve-cells, 
Cambarus ; Ross, 183. 
Special Organs and Tissues. — Labral 
glands, Cladocera ; Cannon, 43 ; Brood- 
pouches and plates, Asellus acquaticus ; 
Emden, 82 ; Spermatozoa, Anomura ; 
Dogiel, 75 ; Blood-cells, Astacus 
fluviatilis ; Nold, 158 ; Stridulating 
organ, Panulirus argus ; Verrill, 233. 
Colouration. — In subterranean fauna; 
Chappuis, 51 ; Stomatopods ; Komai, 
131 ; Living transparent plankton ; 
Yuno, 252. 
PHYSIOLOGY. 
Ambulation, swimming, Potamobius ; 
Voelkel, 234 ; Mouth-parts, Carcinus 
maenas ; Borradaile, 28. Chem. 
-composition, blood, Cancer ; Myers, 
154 ; C0 2 , blood ; Collxp, 66 ; Blood- 
pigments, origin ; Eulton, 91 ; Blood- 
cells, Astacus ; Betances, 23 ; Meta- 
bolism of zinc, Decapoda ; Bodansky, 
26 ; Secondary sexual characters of 
crabs altered by Sacculina ; Vaulx, 
231 ; Excretion, C0 2 ; Collip, 66 ; 
/Sensation, Car disoma ; Cheeseman, 
56 ; Acuteness of vision, Pagurus ; 
Klugh, 130 ; Reaction to light and 
colour, Daphnia ; Beciier, 21 ; Cope- 
poda, Erhard, 83. Luminous and 
-ocular organs, Euphausiaceae ; Pier- 
antoni, 170; Sight, Gebia , Callia- 
nassa ; Scheuring, 192 ; Change of 
phototropism at metamorphosis, Palae - 
monetes ; Sollaud, 200 ; Statocysts ; 
Kinzig, 127 ; Condition reflexes, 
Pagurus ; Mikhailoff, 144 ; Care of 
broods, Asellus acquaticus ; Emden, 
82 ; Resistance to drying, eggs of 
Diaptomus ; Rylov, 186 ; Reaction to 
hydrogen ion concentration of medium ; 
Ido tea ; Labbii:, 132. 
DEVELOPMENT. 
General. — Artemia salina ; Abonyi, 
1 ; Bathynella natans ; Chappuis, 51 ; 
Cyclops spp. ; Walter 237 ; Growth, 
Gammarus, Mysids ; Blegvad, 25 ; 
Antennae, Astacus ; Supino, 215 ; 
Sexual maturity, Schizopoda, Deea- 
poda ; Cerutti, 48 ; Direct develop- 
ment, Petalomera ; Montgomery, 151 ; 
Winter-eggs, Daphnids ; Bronstein, 
39 ; Brood-pouches and plates, Asellus 
acquaticus ; Emden, 82. 
Fertilization. — Parasitic Copepoda ; 
Fasten, 86 ; Parthenogenesis and 
sexual reproduction, Arlemia spp., 
Artom, 8. 
Embryology. — Palaemoninae ; Sol- 
laud, 199 ; Segmentation of ova etc., 
Palaemoninae ; Sollaud, 199 ; Origin 
of blood-cells, Astacus ; Betances, 23; 
Calcareous skeleton, Cirripeds ; Broch, 
35, 36 ; Eyes, Gebia, Callianassa ; 
Scheuring, 192 ; Luminous and 
ocular organs, Euphausiaceae ; Pier- 
antoni, 170; Statocysts; Kinzio, 
127 ; Broods of Asellus acquaticus ; 
Emden, 82. 
Metamorphosis, Larval Forms etc. — 
Alteutha depressa ; Brian, 34; Axius, 
Calocaris ; Caroli, 45 ; Decapoda ; 
Caroli, 47; Uca pugilator ; Hyman, 
116 ; Phyllopoda ; Johansen, 121 ; 
Lobsters; Johnstone, 123; Proteo - 
lepas ; Monod, 148; Branchipus 
grubei ; Oeiimichen, 159 ; Euphau- 
siaceae ; Pierantoni, 170 ; Ostracoda ; 
Schreiber, 195 ; Heteropanope triden- 
tata, p. 348, Tesch, 224 ; Macrura ; 
Verrill, 233 ; Gecarcoidea lalandii ; 
Webb, 238 ; Metamorphosis, Palae- 
monetes ; Sollaud, 200 ; Cyclops sp. ; 
Walter, 237 ; Larval stages suppressed 
Petalomera ; Montgomery, 151. 
Regeneration. — Portunus, Xantho ; 
Szuts, 218. 
ETHOLOGY. 
General. — Scarcity of males, Tricho- 
niscus ; Vandel, 228 ; Duration of 
life, Cyclops spp. ; Walter, 237 ; 
Chemical conditions of life, Gammarus 
pulex ; Wundsch, 250. 
Habits. — Phyllopoda ; Johansen, 
121 ; Carcinus maenas ; Borradaile, 
28 ; Mode of feeding, Cladocera ; 
Cannon, 43 ; Daphnia ; Storcii, 208 ; 
Cardisoma ; Cheeseman, 56 ; Food, 
planktonic Crustacea ; Lebour, 133 ; 
Mating, feeding, Hyalella knicker- 
bockeri ; Gayxor, 95 ; Egg-laying, 
hatching, burrows, Fiddler crabs ; 
Hyman, 116 ; Size of broods, Gam- 
marus, Mysids ; Blegvad, 25 ; Boring 
Crustacea ; Rivera, 181 ; Stridulation, 
locomotion, Ocypoda hippeus ; Gra- 
vier, 98. 
