BIOLOGY. 
Ins. 71 
Parthenogenesis; account of in various groups with a classification, 
Henneguy (533).—Parthenogenesis and male bees, Wurm (1235), Keeker 
(903).—Parthenogenesis of drones of Apis, Paulcice (885).—Partheno¬ 
genesis and thelytochy in Pkasmidce , Dominique (303).—Parthenogenesis 
of Bacillus gallicus Fraxqois, p. 398, Bull. Soc. ent. France 1899.—Four 
parthenogenetic generations of Cyphocrania hanitschi , Haxitsch, p. 5, 
Rep. Raffles Mus. 1898.—Parthenogenesis in Tenthredinidce , Van Possum, 
lip. 59-67, Tijdschr. Ent. xlii, Verslag.—Rearing parthenogenetic larvae of 
Tenthredinidce , Van Rossum, pp. 6-14 Versl., Tijdschr. Ent. xlii.—Partheno¬ 
genetic experiments with Ocneria dispar , p. 14 SB., Berlin, ent. Zeitschr. 
18 99. 
Pseudogynism in Formica rufa , its cause, Wasmann (1203). 
Crepitation of Brachinus , Dierckx (280). 
A chitinous hernia in Timarcha , Pantel, p. 174, Bull. Soc. ent. France 
1899. 
Pigmentation, coloration, see Colour, p. 76. 
2. Habits, Instinct, including Senses, Psychology. 
For sense-organs see “Nervous System”, p. 68. 
Fabre (351), Poulton (943). 
Tropisms and origin of Instinct, Wheeler (1229), Heymons (540). 
Importance of instinct in floral simulation, Sharp (1067). 
Mimetic attitude of a beetle, Hippopsis , Schulz (1035). 
Comparative psychology of Ants and higher animals, Wasmann (1213).— 
Psychology of Ants, Escherich (349), Wasmann (1193). 
Habits of American ants, Forel (475), .symbiosis of Azteca and Cecropia 
etc.—Habits of ants in North Carolina, Forel (413).—Articles used as 
food by an ant, Emery (343).—The transport of mushroom spores by ants 
to new nests, Janet (602 ).—Lashes americanus transplanting Aphids and 
providing them with food, Webster (1217 ).—Lasius fuliginosus attacking 
nests of Myrmica , Wasmann (1208).—Pupae with and without cocoons in 
nests of the ant Lasius flames, Janet (603). 
Supposed foresight in oviposition of Pieridce, Sorhagex, p. 202, lllustr. 
Zeitschr. Ent. iv. 
Influence of wind and other agents on orientation, Wheeler (1229). 
Instinct of arrangement in chrysalids of Pararge nicer a, Rocquigxy- 
Ad anson, p. 178, Bull. Soc. ent. France 1899. 
Senses of Hymenoptera, Plateau (939). 
Experiments on sense of hearing in ants, Weld (1226). 
Senses, oviposition etc. of parasitic Hymenoptera, Seurat (1064). 
Change of habit in an Australian beetle, Froggatt, p. 874, Agric. Gaz. 
N. S. W. x. 
Nature of hexagons of honeycomb, Dawson & Woodhead (271). 
Lepicloptera and flowers, Ord (877).—Choice of colours by flower-visiting 
insects, Plateau (939).—Vision and habits of the bee Anthidium mani- 
catum, Plateau (938).—The sense of light in eyeless Insects and other 
animals, Wasmann (1211). 
Butterflies at light, Howard (574). 
Assembling of ^ moths, Green, p. 258, Ent. Mag. 1899. 
Cynipids and imported trees, Ashmead, P. ent. Soc. Washington iv. 
Copula between £ £ Bombyjj quercus, Schulz, p. 27 SB., Berlin, ent. 
Zeitschr. xliv. 
Use of fungi by Termites, Holtermann (548).—Habits of some Hy¬ 
menoptera parasitica , Seurat (1060); of fossorial Hymenoptera, Cerceris, 
Alfken (8).—Relations of Hymenoptera with their enemies, Bingham 
( 104).—Habits of Chrysis dickroa and Osmia rufohirta, Fertox (376).—- 
