14 Crust 
X. Crustacea* 
[1920] 
Excretory System. 
Bathynella (Syncarid.) ; Chappius, 
35. 
Renal excretory organs, Clavella 
sciatherica (Copep. paras.) ; Leigh- 
Sharpe, 114. 
Reproductive System. 
Bathynella (Syncarid.) ; Chappuis, 
35 ; Sphyriidae (Copep. paras.) ; Wil- 
son, 212. 
Miscellaneous. 
Petasma, Serges tidae ; Pesta, 149. 
Marsupium “ Brutplatten ” (ovos- 
tegite), Oruscoidat ; Verhoeff, 200. 
Cytology, Histology, Artemia ; Ar- 
tom, 8. 
PHYSIOLOGY. 2611 
Respiratory surface, Brachyura ; Da- 
mant, 60. 
Haemolysis in serum of Maia 
aquinado (Oxyr.) ; Cantacuzdne, 33 ; 
“ Plaquettes ” in blood of Astacus 
fluviatilis ; B6tanc6s, 16. 
Movement of visual pigment, Palae- 
mon squilla ; Mossier, 135. 
Association nerve-paths, Pagurus 
striatus ; Mikhailoff, 130, 131 ; Photot- 
ropism, Geotropism, Copepoda ; Ester- 
ley, 66 ; Phototaxis, Holopedium (Cla- 
doc.) ; Friedenfelt, 71. 
Resistance to hunger, Carcinus 
maenas ; Gravier, 79. 
Luminescence in Gypridina ; Harvey, 
91 ; Chemical nature and oxidation of 
red pigment, Decapoda ; Verne, 202, 
203 ; Formation of Melanin, Brachyura ; 
Verne, 204. 
Action on host ( Dynamene ) of parasite 
Ancyroniscus bonnier i (Epicarid .) ; 
Caullery & Mesnil, 34. 
Effect of Radium on development, 
Daphnia pulex ; Herwerden, 98. 
Growth in Marsupium, Oniscoidea ; 
Verhoeff, 200. 
Parthenogenesis and sexual repro- 
duction, Gladocera ; Agar, 1 ; Artemia 
salina ; Artom, 8. 
Mechanism of variation, Gladocera ; 
Woltereck, 215. 
DEVELOPMENT. 2615 
Oogenesis and Spermatogenesis. 
Spermatogenesis, Squilla oratoria 
(Stomat.) ; Homai, 111. 
Eggs, Centropages hamatus (Copep.) ; 
Busch, 27. 
Metamorphosis, Larval Forms, &c. 
Ancyroniscus bonnier i (Epicarid.) ; 
Caullery & Mesnil, 34 ; Larval forms, 
Bathynella (Syncarid.) ; Chappuis, 35 ; 
Sergestes robustus, splendens, pectinatus, 
Henseni (Penaeid.) ; Sund, 183 ; Onis- 
coidea ; Verhoeff, 200. 
Jasus lalandii, post-puerulus stage ; 
Gilchrist, 76. 
Brooks’s Law, Ostracoda ; Skogsberg, 
176. 
Effect of Radium on development, 
Daphnia pulex ; Herwerden, 98. 
Embryology. 
Gelasimus (Catem.) ; Hyman, 102. 
Development of appendages, Asel- 
lidae ; Racovitza, 157 ; of Trachaeal 
system, Porcellio, Tracheoniscus\(lsop.) ; 
Verhoeff, 199. 
Fertilization, development, Asellus 
aquaticus ; Unwin, 193. 
Generation Cycles. 
Holopedium (Cladoc.) ; Friedenfelt, 
71. 
Development of Daphnia Pule a: after 
seven years’ interval ; Herwerden, 99. 
ETHOLOGY. 2619 
General. 
Habits, &c., Mesidothea entomon 
(Isop.) young and adult ; Boone, 18 ; 
GelasimuSy Dotilla, Scopimera (Brach.) ; 
Symons, 184 ; Rock-boring, California, 
Sphaeroma (Isop.) ; Barrows, 12 ; 
Hermit crab transplanting anemones 
to new shell ; Cowles, 57. 
Tropisms (-see also Physiology). 
Diurnal and seasonal variation, 
plankton, Lake L£man ; Baudin, 14. 
Diurnal migration, Copepoda ; Ester- 
ley, 66. 
Conditions of light, temperature, etc. 
freshwater Crustacea ; Chappuis, 35. 
