90 Ins. 
XIII. INSECTA. 
[1904] 
Results of breeding from Araphidasys hetularia and var. dovMedayaria., 
Cassall, p. 49, Ent. Rec. xvi. 
Breeding varr. of P. cenea and Hypolimnas misippus., Leigh (871). 
Breeding experiments Catopsilia^ Manders (901). 
Crossing varr. of Abraxas., Raynor & Doncaster (1120). 
Polymorphism, ants, Forel (525) ; Emery (452). 
Dimorphism Foi-micida;., Forel (531). 
Variation of JJombus, Friese & Wagner (553). 
Comparative variation of drones and worker bees, LuTZ (894). 
In bees, Lutz (894) & Philipps (1046). 
False drones, distinctions, Bachmetjew (70). 
Var. of CarabiLS auratus, Cli^ment, p. 245, Bull. Soc. ent. France 1904. 
Extraordinary variability of a beetle Odontopezus cupreus, Gebien, 
pp. 307-311, Deutsche ent. Zeitschr. 1904. 
Ooliathus giganteus varr., Csiki, p. 302, Ann. Mus. Hungar. ii. 
Variation of Julodis, Abeille (1), 
Carahus nemoralis., anomalous tarsus, Peneau, Bull. Soc. Quest France 
(2) iii, p. xxxvi ; Lucanus cervus, anomalous tarsus, Marchand, t. c. 
p. xxxvii. 
Supernumerary tarsus, Hydrocharis, Wickham (1527). 
Anomaly of nervuration in a Geometer., Warren, p. 542, Nov. Zool. xi. 
Plurality of wings, Arctia caja., Chapman, p. Iv, P. ent. Soc. London 
1904. 
Abnormal Lepidoptera, supernumerary wing, four antennae etc.. Psyche 
xi, p. 113, pi. X. 
Pupa with larval head, Sphinx' lig^istri, Zang, Allg. Zeitschr. Ent. ix, 
p. 224. 
Hybrids. 
Hybrids of Spliingidce and Zygcenidce., Oberthur (987). 
Zygoma faitsta and hippocrepidis copula, Dupuy, p. 226, Bull. Soc. ent. 
France 1904. 
Hybrid, Zyga^na and Syntomis, van Rossum, p. 94, Ent. Ber. Xeder- 
land. i. 
Copula between difterent species or genera. Rainbow (1118). 
Colour. 
Coloration, Dewitz (377, 378). 
Opisthenogenesis, or law of development and movement of colour etc., 
Packard (1005). 
Iridescent and metallic coloration, Biedermann (129). 
Tyrosinase in coloration, Gessard (593). 
Coloration of Corethra larva by feeding, Kolmer (832). 
Markings of Lepidopterous larvae, Kusnezov (849). 
Diftraction, scales Lep. and Thymn.., Balsamo (79). 
Cocoons, coloration of, Dewitz (376) ; Verson (1443). 
Coloration of silk, Conte (307) ; Dubois (409) : Coloration of silk, 
question of chlorophyll, Villard (1457, 1458). 
Protection. 
Choosing suitable situations, Hamm, p. Ixxv, Chapman, p. Ixxvi, P. ent. 
Soc. London 1904. 
Protection by sharing like dangers, Kaye, Tr. ent. Soc. London 1904, 
p. 169. 
Protective coloration. Green (628) ; in Mantis, Cesnola (256b). 
Prot. attitudes, Longstaff, p. Ixxxviii, P. ent. Soc. London 1904. 
Birds and butterflies, Poulton, P. ent. Soc. London 1904, p. xxxvii. 
Enemies of butterflies, Aitken (20). 
