66 Ins. 
INSECTA. 
Ou DEM an ns, Tijdschr. Ent. xxxiv, p. ccxxi. — Differences between Euro- 
pean and N. American specimens of Lepldoptera , Grote, Ent. Rec. ii, 
p. 56. — Coast-varieties of Lepldoptera in N. Germany, Hoffmann, Soc. 
Ent. vi, pp. 125, &c. — Varieties of butterflies at Sligo, Barrett, Ent. M. 
M. (2) ii, p. 329. — Varieties of Lepldoptera from Sligo, Barrett, p. xxxi, 
P. E. Soc. 1891. — Variation in Lepldoptera in Madeira, Baker, pp. 198 & 
221, Tr. E. Soc. 1891. — Variation in wing- venation in Argynnls, Nick- 
ville, p. 348, J. Bomb. N. H. Soc. vi. — Variations in the genus Lysiphle- 
bus ( Braconides ), Coquillett (159). — Variations in the number of joints 
in the antennae of Hessian fly, Riley & Howard, Ins. Life, iii, p. 307. — 
Colour varieties of Hemqdera, Horvath, p. 77, Rev. d’Ent. x. — Variation 
in the genus Saida , Veriioeff (901). — Variation in length of tegmina of 
LocUstidic, Bruner, p. 59, Canad. Ent. xxiii. — Variation in colour of 
different broods of locusts, Brongniart (102). — Variation of form of 
elytra common to numerous species of Carabidce , Ganglbauer, p. 275, 
Kiifer Mitteleur. — Chrysomela menthastri, colour variatiou, Everts, 
Tijdsclir. Ent. xxxiv, pp. cxvii & cxviii. — Winged and wingless individuals 
of the same species of Carabus , Ganglbauer, t. c. p. 23. — Variatiou of 
oedeagus of Ganglbauer, t. c. pp. 48, 50, &c. — Winged and wing- 
less forms of Calathus , Veriioeff (900). — Occasional development of 
wings in usually unwiuged insects, Douglas, Ent. M. M. (2) ii, p. 109. — 
Dimorphism and polymorphism in Lepldoptera , Alpheraky (12). — 
Variation in connection with change of constitution, Chapman, Ent. Rec. 
i, p. 271. — Influence of temperature in the pupal stage on colour and 
markings of Lepldoptera , Merrifield (577). — Temperature in pupal 
stage influencing colour, Merrifield, P. E. Soc. 1891, pp. vii & viii ; 
Fenn, t. c. p. x ; Merrifield, t. c. pp. xiii & xxxiii-xxxvi. — Tempera- 
turo and variation, Fenn, Ent. Rec. ii, p. 55. — Climate and variation, 
Seitz (791). — Dry season and eyeless forms of Satyrhu e, Moore (600). — 
Influence of food on coloration of Euplthecia larvae, IIabicii (366). — 
Negative result of feeding Spilosoma menthastri with pepper, Struck- 
fuss, B. E. Z. xxxvi, SB. p. vi. — Variety of Arctia caja and its food, 
Thiele, t. c. p. vii. — Alteration in colour of Coleoptera from deficient 
food of larvae, Veriioeff (898). 
Colour and markings of Lepldoptera , their origin and development, 
Portchinsky (661). — Source of colour in the pupal wings of Vanessa io 
and urtlcce, Urecii (888). — Historical note ou the question of colouring 
silk by food, Blanc (76). — Origin of colour of cocoons of silkworms, 
Blanchard, Ann. Soc. Agric. Lyon (6) iii, p.v. p. lxxi. — Causes of 
melanism in Lepldoptera , Tutt (883). — Coste’s papers on the chemistry 
of insect colours, continued in Ent. xxiv. — Insect-pigments, Cockereij., 
t. c. p. 278. — Melanism and melanochroism in British Lepldoptera , cent., 
Tutt, Ent. Rec. ii, pp. 3, &c. — Melanochroism and the reverse in Scottish 
Lepuloptera , White (961). — Moisture and melanism, Smith, Ent. Rec. ii, 
pp. 193-197. — Coloration of Lepidopterous pupae and cocoons, Petersen 
((}48). — The protective value of spines on caterpillars, Butler (119). — 
Protection by colour of cocoons of moths queried, Bateson (42). — Pro- 
