BIOLOGY. 
Ins . 97 
Seasonal dimorphism, Dixey (406). 
Seasonal tri morph ism, Russian Picridce , Jachontov (754). 
Dimorphic females, Lasius , Wheeler & McClendon (1686). 
Ergatogynic ants, characters of, Holliday (714). 
Polymorphism of male Lucanidce , Kolbe (869). 
Gynandromorphic mandibles, Lucanus , Wickham (1689). 
Variability of wing-length, Aporia cratcegi ’, Bachmetjew (60). 
Dimorphism of wings, Blissus , Garber (604). — Wing-dimorphism, 
Cecidomyiidce, Kunstler & Chains (895). 
Macropterous and brachypterous Perlidce , Ris (1265). 
Arctic butterflies, great variation, Elwes (446). 
Variation and partial albinism in Satyridce , Giard, pp. 103, 104, 133, 
Feuille Natural, xxxiii. 
Variation in Lyccenidce , Switzerland, Courvoisier (352). 
Varr. of palaearctic Rhopalocera, South (1458). 
Varr. of European Lep., Geest (609), Schultz (1362). 
Variation in Britain of Melitcea aurinia , Freke, pp. 86 etc., Entomologist 
xxxvi. 
Hungarian varr. Lep., Wagner, pp. 88, 89, Verh. Ges. Wien liii. 
Melanism at Stuttgart, Klunzinger (857). 
Pap. machaon , varr. in Japan, Neuburger, Soc. ent. xviii, p. 42. 
Rhodocera cleopatra var. italica is part of a dimorphic second generation, 
Stefanelli (1475). 
Parnassius apollo var., Rebel, p. 166, Verh. Ges. Wien liii. — Variation 
of Pieris napi, Wagner (1619). — Varr. of Pieris rapce, Schima, pp. 566-568, 
Verh. Ges. Wien liii. — Var. of Lyccena icarus, Entomologist xxxvi, p. 249, 
cut. — Variability of Lyccena eumedon , Schultz (1360).— Variation, Chryso- 
phanus phlceas , Chapman, p. lxii, P. ent. Soc. London 1903. — Variation in 
eye-spots of wings, Epinephele , Bachmetjew (59). — Variation of Precis 
actia, Poulton, p. xxxii, P. ent. Soc. London 1 903.--- Varr. of Dilina tilice , 
Pickett, p. xiv, P. ent. Soc. London 1903. — Variation of Zygcena carniolica , 
Wagner, pp. 568, 569, Verh. Ges. Wien liii . — Zygcena scabiosa var. Jiava , 
Pieszczek, Verh. Ges. Wien liii, p. 570 . — Phybalapteryx vitalbata var. 
conspicuata , egg and larva also different, Hirschke, Verh. Ges. Wien liii, 
p. 89. — Variation of Argynis paphia and Larentiabilineata , AigNer-Abafi, 
pp. 162-165, Verh. Ges. Wien liii. — Dark varr. of Heterocera , Halliday, 
pp. 81-83, Halifax Natural, viii. — Varieties of Aglia tau, Schultz, Soc. 
ent. xvii, p. 178 . — Triphcena comes, variable broods, Prout, pp. 217-222, 
Ent. Rec. xv. — Dark var. Catocala nupta , Andrews, Ent. Mag. xxxix, 
p. 66 . — Amphidasis doubleday aria in Germany, Fischer, Soc. ent. xvii, 
p. 162, ana Riesen, t. c. p. 171. — Varr. of Anger ona prunaria , Prout, 
Ent. Rec. xv, pp. 144-150 . — Tephrosia consonaria , melanism, Barrett, 
Ent. Mag. xxxix, p. 200. 
Variation of some German Coleoptera , Friederichs (542). 
Melanism and variation, Corsican Coleoptera, Schneider (1344). 
Winged and wingless varr. of Carabidce, Everts, Tijdschr. Ent. xlvi, 
pp. 24-26, Verslag: Of Hawaiian Carabidce, Sharp (1403). 
Extinct varr. Carabus, Belgian peat-moss, Lapouge (911 ). — Carabus 
nemoralis, black var., Keys, Ent. Mag. xxxix, p. 174. 
Variation of Podisma glacialis , Acridiidce, Walker (1628). 
Wingless Forficula auricularia. Burr, p. 254, Ent. Rec. xv. 
Teratology, Col. 2 cases, Lep. 1 case, Gadeau (587). 
Halictus, with antennae formed like legs, Harling (670). 
Larvae head retention ; abnormal larva, Kolbe (867). 
Abnormal tarsus, Corydalis larva, Wickham (1690). 
Experimental varr. of Lepidoptera , Fischer (513) and Schroder (1353). 
Temperature experiments, see Physiology. 
E 7 
1903 . [Vol. XL.] 
