75 lnaecta. 
Subject Index. — Geography. 
Pupal Habits. Cocoons. 
Ainslie, 15 ; Bergman, 111 ; Hawkes, 
Colour, 619, 620; Lyle, colour, 835 ; 
Jumping cocoons, Meyrick p. 62 Ent. 
Mo. Mag. 53. 
Double cocoon race of silkworms, 
Sasaki, 1173. 
Insects, Plants and Flowers. 
Dyer & Knab, 407 ; Froggatt, 
494; Green, 579; Pierce, Insect- 
catching plants, 1073 ; Hoflmeyer, 
647; Saala3, Picea excelsa, 1159; 
Trcherne, 1316. 
Galls. 
Bagnall, 61, 65 ; Bagnall & Harrison, 
66 ; Bagnall & Wallace, 67 ; Baker, 
72; Beutenmuller, 120; Brdthes, 174, 
187, 188, 189; Burke, 218; Burkill, 
219 ; Felt, 449, 451 ; Houard, 659 ; 
Jorgensen, 723 ; Lambertie, 786. 
VARIATION. AETIOLOGY. 
General. 
Nabours, 952a ; Bellamy, 100a. 
Variation. 
Abbott, 1, 2 ; d’Auriol, 49 ; Barker, 
84, 85, 86 ; Ferrante, 457 ; Joicey & 
Kaye, 729 ; LScaillon, 801, 802, 803 ; 
Mac Dowell, 845 ; Malenotti, 858 ; 
May, 886 ; Metz & Bridges, 895 ; 
Painter, 1010 ; Pantel, 1012 ; Reverdin, 
1116, 1117 ; Roth, parthenogenetic, 
1144 ; Schott, Collembola , 1187 ; Shel- 
ford, 1225 ; Wanach, 1377 ; Warren, 
1379. 
In nervuration, Ammophila, Poulton, 
p. xiii Pr. ent. Soc. Lond. 1917. — 
Asymmetrical var. of A. corydon, 
Frohawk p.,229 Entomol. 50. 
Teratology. 
Chapman, 260 ; 261 ; Christeller, 
274; Keilin, 743; Pool, 1080; Tre- 
moleras, 1318 ; Viehmeyer, 1356 ; 
Watanabe, 1381. 
Janson, Coleoptera , Proc. ent. Soc. 
London 1916 p. Ixxi. — of Trixa , 
Villeneuve p. 229 Bull. Soc. ent. France 
1917. — Prasocuris junci Walsh p. 41 
Ent. Mo. Mag. 53. 
Hybrids, 
Anther am yamamai and A. peryni 
hybrids (Japanese), Kitajima, 758 ; 
Harrison, 613a. 
Genetics. Heredity. 
Vide etiam Cytology in Develop- 
ment. 
Bridges, 191a ; Foot & Strobell, 475 ; 
Guy6not, 594 ; Hindle, 644 ; Hyde, 
678, 679, 680; MacDowell, 845a; 
Metz & Bridges, 895 ; Morgan, 926, 
927, 928 ; Muller, 947, 948 ; Palmer, 
1011; Plough, 1076; Stark, 1260a; 
Sturtevant, 1272 ; Tower, 1309 ; Zeleny 
& Mattoon, 1445a. 
Hered. of small variations, Perkins, 
p. Ixxxix Pr. ont. Soc. Lond. 1916. 
Accidental bivoltino silkworms, L6- 
caillon, 801, 802. 
Evolution, Phylogeny. 
Crampton, 327, 328 ; Morgan, 925 ; 
Rothschild, 1145 ; Schierbeek, 1179 ; 
Tillyard, 1303. 
GEOGRAPHY or FALNISTIC. 
General. 
Distribution, Walsh, 1373. 
Insect drift, Needham, 967. 
Distribution of Bistoninae Harrison 
613. 
Cecidomyid distribution, Felt, 447. 
Arctic and Antarctic. 
Enderlein, 421. 
Insular. 
Canaries. Lepidoptera, Hampson, 604; 
Prout, 1096a. 
Madeira. Lepidoptera, Prout, 1096a. 
Ascension. Dermaptera, Hebard, 625. 
Now Zealand. Coleoptera, Broun, 
202. — Lepidoptera, Howes, 664 ; Mey- 
rick, 905, 906 ; Philpott, 1050. — 
Diptera. Miller, 913. — Homoptera. 
Muir, 944. 
Kermadec islds. Aphaniptera Hil" 
gendorf p. 428 Tr. N.Z. Inst. 49. 
New Caledonia, Coleoptera, Grou- 
velle, 589. 
