XIV CONTENTS. 



PAGB. 



Leger, L. — Epithelial Regeneration in Mid-gut of Arthropods 551 



Trouessart, E. — Collection of Microscopic Marine Arthropods 551 



Beecher, C. E. — Eurypterid Remains in Cambrian 642 



a. Insecta. 



Fielde. Adele M. — Senses of Ant s 39 



Wheeler, W. M. — Macroergates in Pheidule commutata 40 



Kohl, Franz Friedr. — Gynandromorphy in a Wasp 40 



Stitz, Hermann — Female Genital Apparatus in Microlepidoptera 40 



Giard, A. — Determination of Sex in Lepidoptera 41 



Marshall, G. A. K. — Experiments in Seasonal Dimorphism 41 



McClung, C. E. — Accessory Chromosome in Insect Spermatogenesis 41 



En riques, Paolo — Histolysis in Metamorphosis of Flies 42 



Wahl, Bruno — Development of Hypodermal Imaginal Discs in Larval Diptera .. 42 



Muggenburg, — . — Mimicry of a Moss by a Larva and Pupa 43 



Wasmann, E. — Genus Termitoxenia 43 



Sinety, R. de — Spermutocytic Kineses in Orthoptera 43 



Zander, Enoch — Copulatory Apparatus of Male Trichoptera 41 ■! 



Borner, Carl — New Collembola 44 



Holmgren, Nils — Chitin-Formation, Muscle-Insertion, and Cell-Connections in 



Injects 178 



Sutton, Walter S., & C. E. McClung — Spermatogenesis in Insects 179 



Needham, J. G., & Cornelius Betten — Aquatic Insects in the Adirondack*.. .. 170 



Dewitz, J. — Hindering Pupation 180 



Donisthorpe, Horace St. John K. — Coloration of British Beetles ISO 



Champion, G. C. — Sexual Dimorphism in Buprestis sanguinea ISO 



Klos, Rudolf — Life-history of Tephroclystia virgaureata 180 



Petri, L. — Stigmata of Sericaria mori 180 



Dickel, Feud. — Life-history of Hive Bee 180 



Gatta, Manuel Fernandez de — Studies on Galls J SI 



Needham, J. G, & Hart,-C. A. — Dragon-flies of Illinois 181 



Burner, Carl — New Collembola 181 



Carpenter, G. H. — Collembola from Franz Josef Land 1S2 



Berlese, A. — Copulation of House-Fly 301 



Escherich, K. — Development of Nerve-Cord Sol 



De Gatta, D. M. F.— Notes on Galls 301 



Silvestri, F. — Notes on South American Termites and their Termitophilous 



Associates 302 



Croft, W. B. — Colours of Butter flies not due to Diffraction 302 



Deegener, P. — Odoriferous Organ of the Male Hepialus hectus 302 



Vehhoeef, K. W. — Dermaplera and the Microthorax 302 



Borner, Carl — Structure and Classification of Collembola 302 



Donisthorpe, Horace St. John K. — Life-History of Clythra quadri-punctata . . 303 

 Wesche, W. — Undescribed Palpi on the Proboscis of some Dipterous Flies, with 



Remarks on the Mouth-parts in several Families (Plates IX. and X.) .. .. 412 



Tichomirow, A. — Artificial Parthenogenesis of Silk-Moth Ova 4'JS 



Meijere, J. C. H. de — Prothoracic Respiratory Apparatus in Dipterous Pupse .. 428 



Butler, E. A. — Some British Hemiptera 42S 



Scudder, S. H. — Index to North American Orthoptera 428 



Newstead, Robert — Monograph on Coccidie occurring in Britain 429 



Silvestri, F. — Studies on Thysanura & 429 



Wheeler, W. M. — New Agricultural Ant from Texas 429 



Arsolon, C. — New Moravian Cave- Insect 429 



Felt, E. P. — Insects injurious to Elm-Trees 429 



Jimero, H. — Honey of Bees 429 



Comstock, J. H., & V. L. Kellogg — General Course of Entomology 551 



Giard, A. — Habits of Larvte of Sciara medullaris 551 



„ Expulsion of Spermatozoa in Sciara 551 



Fielde, Adele M. — Studies on Ants 551 



Cobelli, R. — Sense of Taste in an Ant 552 



Leon, N. — Morphology of Labial Parts in Hydrocoridse.. 552 



