48 Crust. 
X. CRUSTACEA. 
[1904] 
(125), Monti (136), Pavesi (155), +Range (163), Skorikow (197), 
Sprague (202), Stingelin (216), Wesenberg-Lund (234), Zacharias 
(249), Zykoff (253, 254 & 256).] 
Seasonal distribution in East Norfolk ; Gurney, Tr. Norfolk Soc. vii, p. 656. 
Acroperus harpce var. frigida n. var. p. 23, text-figg. a & b; Ekman, Zool. 
Jahrb. Syst. xxi. 
Alona camhouei, p. 633, figg. (^a-d; Sars, Zool. Jahrb. Syst. xix : A. acuti- 
costata, var. tridentata n. var. p. 349, pi. xii, figg. 18 & 19, verrucosa^ 
var. p. 350, pi. xii, figg. 20 & 21, intermedia, var. minor n. var. p. 351, 
pi. xii, fig. 22, dcwidi, p. 352, pi. xii, fig. 23 ; Stingelin, op. cit. xxi. 
A. novoe-zealandicB^ New Zealand, p. 634, figg. la k h; Sars, op. cit. xix, 
n. sp. 
Alonella scidpta, p. 353, pi. xii, figg. 24 & 25, var. insulcata n. var. p. 354, 
pi. xii, fig. 26, pi. xiii, figg. 27 & 28 ; Stingelin, op. cit. xxi. 
A. hreviceps, Siam, p. 354, pi. xiii, figg. 29 & 29a; Stingelin, t. c. n. sp. 
Bosmina coregoni gibbera, male, p. 564, text-fig. ; Keilhack, Zool. Anz. 
xxvii. 
B. meridionalis, New Zealand, p. 631, figg. 3a-c ; Sars, Zool. Jahrb. Syst. 
xix : B. hagmanni, Amazons, p. 582, pi. xx, figg. 5 & 6 ; Stingelin, 
op. cit. XX : n. spp. 
Bos7ninopsis deiiersi, Amazons, p. 584, pi. xx, figg. 7-10 ; Stingelin, t. c. 
Bythotreplies longimanus, structure of eye, p. 138, pi. ii ; Ekman, op. cit. xxi. 
Camptocercns australis var. p. 347, pi. xii, fig. 17; Stingelin, t. c. 
Ceriodaphnia asperata, p. 650, text-fig. 3 ; Meissner, Zool. Anz. xxvii : 
C. dvMa, p. 631, figg. 2a & 6; Sars, Zool. Jahrb. Syst. xix : G. cornutay 
p. 339, pi. xi, figg. 9-11 ; Stingelin, op. cit. xxi. 
Chydorus barroisi var. Icevis n. var. p. 636, figg. 9 & 9a; Sars, op. cit. xix: 
(7., variation in Indian region, p. 357, pi. xiii, figg. 32 & 33, splicericus 
var. parvus^ p. 359, pi. xiii, fig. 34 ; Stingelin, 0^3. cit. xxi. 
C. robustus, Sumatra, p. 360, pi. xiii, figg. 35-38 ;. Stingelin, t. c. n. sp. 
Dadaya macrops, p. 587, pi. xx, figg. 11 & 12; Stingelin, op. cit. xx: 
D. macrops, p. 356 ; Stingelin, op. cit. xxi. 
Daphnia hyalina, forma pavesii, p. 639, 1 fig. ; Brehm & Zederbauer, 
Verh. Ges. Wien liv: D. classification of alpine forms discussed, 
pp. 122-137, text-figg.; Ekman, Zool. Jahrb. Syst. xxi: B. pulex- 
pennata, variation under influence of temperature, p. 439 ; Ostwald, 
Arch. Entwickraech. xviii : D. pidex, formation and structure of 
ephippium; Wolff, Biol. Centrbl. xxiv, pp. 644, 697 & 761, 11 text- 
figg. : D. pidex, reactions to light and heat ; Yerkes, Mark Anniver- 
sary Volume, pp. 359-377. 
Diaphanosoma excisum, p. 337, pi. xi, figg. 3 & 4, sarsi, p. 338, pi. xi, fig. 5, 
var. volzi n. var. p. 339, pi. xi, figg. 6-8; Stingelin, Zool. Jahrb. 
Syst. xxi. 
Drepanothrix dentata, p. 209, fig. 4 ; Zacharias, Forschber. Plon xi. 
Dunhevedia crassa, p. 357, pi. xiii, figg. 30 & 31 ; Stingelin, Zool. Jahrb. 
Syst. xxi. 
Evadne, notes and key to spp., p. 41 ; Stebbing, Tr. Linn. Soc. London (2) 
Zool. X. 
Holopedium gibberum^ p. 57, pi. i, figg. 3 & 4; Stingelin, Rev. Suisse 
Zool. xii. 
H. amazonicum, Amazons ; Stingelin, Zool. Jahrb. Syst. xx, p. 577, pi. xx, 
figg. 1 & 2, and Rev. Suisse Zool. xii, p. 55, pi. i, figg. 1 & 2, n. sp. 
Hyalodaphnia cristata, variation under influence of temperature, p. 421; 
OsTWALD, Arch. Entwickmech. xviii. 
IlyocryptiLs halyi var. p. 346 ; Stingelin, Zool. Jahrb. Syst. xxi. 
Macrothrix spiiiosa, p. 633, figg. 5a &, b; Sars, op. cit. xix. 
M. affinis, Natal, p. 127, pi. viii, figg. 63-65; Brady, P. Zool. Soc. London 
