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CONTENTS. 
Wheelee, W. M . — Embryology of Blatta germanica and Doryphora 
decemlineata 
Eimer, G. H. T . — Evolution of Papilionidm 
Schaffer, C. — Ventral Glands of Caterpillars 
Mingazzini, P . — Alimentary Canal of Lamellicorns 
Conn, H. W. — Coleoptet^ous Larvx and their relations to Adults 
Lowne, B. T . — Structure of Retina of Blowfly 
„ „ Structure and Development of Ovaries of Blowfly 
Meinert, F . — Habits and Metamorphoses of Eucephalous Larvx of Diptera 
„ „ Ugimyia-Larva 
WiLLiSTON, S. W . — New Cattle-pest 
Meinert, F . — Anatomy of Ant-Lions 
Vayssiere, a. — I’rosopistoma variegatum 
Weed, C. M . — Studies in Bond Life 
Minchin, E. a . — Dorsal Gland in Abdomen of Periplaneta and its Allies .. 
Henking, H . — Early Stages in Development of Ova of Lnsects 
Haase, E . — Abdominal Appendages in Ilexapoda 
„ „ Composition of Body of Blattidx 
CnOLODKOVSKY, N . — Embryology of Blatta germanica 
Edwards, H. — Transformation of North American Lepidoptera 
Verson, E. — Wing of Lepidoptera and its “ Lmaginal Disc ” 
„ „ System of Lntegumentary Glands of Bomoycidx 
Bemmelen, J. F. van — Colour and Veins of Butterfly Wings 
Feenald, H. T . — Rectal Glands in Coleoptera 
Carlet, G. — On Secreting Organs and Secretion of Wax in Bees 
Kunckel d’Herculais, J . — Ecdysis and Metamorphosis of Acrididx 
Eckstein, K . — Biology of Chermes 
Carrie re, J. — Embryonic Development of Chalicodoma muraria 
M‘Cook, H. C . — Myrmecophilous Oak-Galls 
Dudley, P. H . — Termites of Lsthmus of Panama 
Pankratii, O . — Eyes of Caterpillars and Phryganid Larvx 
Urech, F . — Diminution in Weight during Pupation 
Wistinghausen, C. V . — Tracheal Endings in Sericteria of Caterpillars 
Gilson, G . — Secretion of Silk by Silkworm 
Graber, V . — Development of Hydrophilus piceus 
Caeriere, j . — Development of Chalicodoma muraria 
Carlet, G. — The Poison and Sting of the Bee 
Vayssiere, A , — The Genus Prosopistoma 
Feenald, H. T . — Anatomy of Thysanura 
Exner, S . — The Retinal Lmage of the Lnsect Eye (Figs. 61-71) 
Dubois, R . — Secretion of Silk in Bombyx mori 
Verson, E . — Parthenogenesis of the Ova of Bombyx 
Brandt, E. K . — Anatomy of Sesia tipuliformis and Trochilium apiforme .. 
Bonsdorff, a. von — Sculpturings on Elytra of Coleoptera 
Mayer, P . — Germinal Vesicle of Flies 
Cameron, P . — British Phytophagous Hymenoptera 
Wood-Mason, J. — Viviparous Caddis-fly 
Henneguy, L. F. — Ovarian Envelope of Phyllium 
Focke, W. O., & E. Lemmermann — Power of Sight of Lnsects 
Nusbaum, j . — Formation of the Dorsal Region in the Embryos of Lnsects .. 
Dewitz, H . — Closed Ti'acheal System in Lnsect Larvx .. 
Butler, A. G . — Insects Accepted or Rejected by Birds 
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