xiv CONTENTS. 
PAGE 
Bruel, L . — Genital Ducts of Calliphom 71 
St. George, v. la Valette — Formation of Sex-Cells in the Silk-Moth 71 
Willis, H. G . — Defensive Adaptations of Lepidopterous Larvee 72 
Heymons, R . — Abdominal Appendages of Insects 72 
Pagenstecher, A . — Arctic Lepidoptera 72 
Karawaieyv, W . — Internal Metamorphosis of Ants 72 
Verson, E . — Development of Gut in the Silk-Moth 72 
Mobusz, A . — Alimentary Canal of Anthrenus Larva 73 
Kulagin, N . — Development of Platygaster 73 
Montgomery, T. H., Jun . — Chromatin Reduction in Spermatogenesis of Pentatoma 73 
Ule, E . — Symbiosis between a Butterfly and a Flower 73 
Gillanders, A. T . — Entomology of the Oak 74 
Comstock, J. H., & J. G. Needham — Wings of Insects 190 
Carpenter. G. H . — Geographical Distribution of Dragon-flies 190 
Plateau, F . — How Floivers attract Insects 191 
Dixey, F. A . — Mimetic Attraction 191 
Trimen, R . — Mimicry in Insects 192 
Urech, F . — Experiments as to Coloration of Butterflies 192 
Dixey - , F. A . — Temperature and Modification 192 
Finn, Frank — Experiments on Warning Colours 192 
Pic, Maurice — Myrmecophilous Coleoptera 192 
Dolbear, A. E . — Crickets as Thermometers 192 
Wilcox, E. V . — Chromatic Tetrads in Spermatogenesis of Grasshopper 193 
Petrunkewitsch, A. — Development of Heart in Agelastica Alni 193 
Scherbakoyv, A . — Apterygota of Kiew 193 
Bordage, Edmond — Lepidoptera injurious to Sugar-Cane .. .. 193 
Ingenitzsky, I . — Psyche Helix 193 
Marchal, Paul — Remarkable Mode of Reproduction in Encyrtus 299 
Miall, L C., & others — Structure and Life-History of Phalacrocera replicata .. 299 
Ihering, H. yon — New Colonies and Fungus-Gardens in Ants 299 
Janet, Charles — Apparatus for keeping Ants 299 
Bordas, L . — Rectum and Rectal Glands of Ortlioptera 300 
Georgevitsch, Jivoca — Segmental Glands of Ocypus .. .. 300 
Janet, Charles — Articular Membranes in Hymenoptera 300 
Griffini, A . — Taxonomic Value of Nervures 300 
Radcliffe, A . -Changes in Structure of Butterflies' Wings 300 
Marchal, P . — North African Galls 301 
Schneidemuhl — Life-History of (Estrid Lame 301 
Rengel, C . — Casting and Regeneration of Mid- Gut Epithelium in Water-Beetles .. 301 
Kempny, P . — Studies on Plecoptera 301 
Wasmann, E . — Studies on Termites 301 
Guercio, G. Del — Parasites of Pears 301 
Tutt, J. W . — Hybridising Species of Tephrosia 419 
Haviland, G. D . — Termites 420 
Harris, W. H . — Teeth of Diptera 420 
Dubosq, O . — Sensory Nerve- Cells of Insects .. 420 
Janet, Charles — Peculiar Gland in Ants 420 
Pissarew, W. J . — Heart of Hive-Bee 421 
Hamann, O . — Brain of a Cave-Beetle 421 
Comstock, J. H., & J. G. Needham — Venation of a Typical Insect Wing .. .. 421 
Pictet, Arnold — Growth of Butterflies' Wings 421 
Heymons, R . — Composition of Insect' s Head 421 
Paui.mier, F. C . — Chromatin Reduction in Hemiptera 421 
Heymons, R . — Development of Food-Canal in Lower Insects 422 
Comstock, J. H., & J. G. Needham — Wings of Insects 532 
Kenyon, F. C . — Daily and Seasonal Activity of Hive-Bees . . 533 
Stoll, O . — Geographical Distribution of Ants 533 
Bethe, A . — Psychical Qualities of Ants and Bees 533 
Fabre,J. H . — An Insect Virus 534 
Leon, N . — Cases of Myasis 534 
Dixey, F. A . — Recent Experiments in Hybridisation 534 
Cuenot, L .— False Homocliromism 534 
Griffiths, G. C . — Frenulum of Lepidoptera 535 
