98 Ins. 
XIII. INSECTA. 
Hybrids. 
Secondary and tertiary hybrids, Deilephila , Mory (1043). 
Parnassius apollodelius , Frings, Soc. ent. xviii, p. 52. 
Colour. (See also lg Physiology.) 
Colour-blindness in entomologists, Fernald, p. 206, Canad. Ent. xxxv. 
The variable coloration of Eupithecia and other larvae, Piepers, Tijdschr. 
Ent. xlv, p. 75. 
Homceochromatism in European butterflies, Chapman, pp. xlii-xlvi, 
P. ent. Soc. London 1903. 
Pigmentation of wings of Vanessa , von Linden (941-943). 
Colour of Lepidopterous larvae and environment, effect of lichen-covered 
bark, Poulton (1194). 
Utility of colour in Gatocala , Weeks (1656). 
Colour of butterflies wings, diffraction and pigment, Croft, etc., Nature 
Ixv, pp. 321 etc. 
Coloration of cocoons, Dewitz (390). 
Colour of silk: [abstract of Levrat & Conte, Zool. Rec. 1902, Ins. (811)] 
von Linden, Zool. Zentrlbl. 1903, p. 559. 
Protection. 
Seeking suitable spots, Mercier, p. 107, Feuille Natural, xxxiii. 
Birds as enemies of butterflies, Nurse (1078). — Birds attacking butter- 
flies, Colthrup, Entomologist xxxvi, p. 173. — Birds capturing butterflies, 
McKay, Nature lxv, p. 247, Latter, t. c. p. 273, Veley, t. c. p. 299, 
Poulton, t. c. p. 343, Hamm, etc., t. c. p. 366, Veley, t. c. p. 392, Finn, 
t. c. p. 415, Poulton, t. c. p. 465, McKay, t. c. p. 486. — Bird destroying 
butterflies, Curtis, p. 68, Entomologist xxxvi. 
Deilephila galii as food of birds, Fletcher, p. 109, Canad. Ent. xxxv. 
Ocellated spots as protectors, Poulton (1197). 
Value of transparent spaces, Poulton, pp. xxvi-xxviii, P. ent. Soc. 
London 1903. 
Kallima butterflies, attitude, Science xvii, p. 31. 
Geometer- larva clothing itself, Shelford (1417). 
Birds and bugs, Green, p. 73, Spolia Zeylan. i. 
Feeding lizards with protectively colored insects, Pritchett (1199). 
Stinking bugs liked, Fry (575). 
Protective resemblance, Gurculionidee , Vitale (1612). 
Resemblance. 
Aigner (16, 17), Kaye (805), M^hely (991), Piepers (1173), Ricker 
(1263), Robinson (1274), Annandale & Robinson (1502), Wasmann 
(1642), Reh, Berlin, ent. Zeitschr. 1903, pp. 5, 6, SB. 
Mimicry, habits, etc., Distant (404), Barrett, Ent. Mag. xxxix, p. 170. 
Mimicry and Natural Selection, Fry (574). 
Parallel forms, Gredler (635). 
Pseudo-mimicry, Hutton & Poulton, p. 439, Nature lxvii. 
Experimental varr. and mimicry, Fischer (513). 
Local adaptation, Vosseler (1618). 
Protection, mimicry, warning colours, relative values, Thayer (1518), 
Poulton (1195). 
Zygcerddce , complicated mimicry, Piepers & Snellen, Tijdschr. Ent. 
xlv, pp. 153-160. 
Mimicry in Insular insects, Enderlein (450). 
Mimicry and concealment, Dianthcecia , Thurnall, Ent. Mag. xxxix, 
p. 201. — Mimicry by larva of Gucullia, Massalongo (983). 
Protection, displays, etc. of, floral simulation, Mantidce, Shelford 
(1418), Williams (1692). 
