xiv CONTEXTS. 



PAGE 



Ducke, A. — Stingless Bees (Melipona) of Para 172 



Wasmann, E. — New Termites. Termitophils, and Myrmecophils 172 



„ „ Guests of the Dorylinx 172 



Tower, W. L. — Exuvial Glands in Insects 173 



Porta, A. — Hepatic Function in Insects 173 



Metalnikoff, 8. — Excretion in Gnat Larvas 173 



Gadd, G. — Food-Canal of Larvae of Cuckoo-Spit 174 



Enderlein, Gunther — Normal Asymmetry of the Wings in Naucoris cimicoides .. 174 



Vevey, S. Artault de — Injurious Influence of Thrips on Man 174 



Keh, L. — Statistical Study of Scale Insects on Fruit . . 174 



Vosseler, J. — Chemical Defence and other Adaptations in North African Orthoptera 174 



Linden, M. Grafin von — Sensory Hairs on Pupa of Papilio podalirius .. . . 175 



Wandolleck, B. — Appeudictdar Nature of Abdominal Styles 175 



Verhoeff, K. W. — Trochanter and Prasfemur 175 



Grunberg, K. — Studies on the History of the Germ-Cells in Lepidoptera .. .. 175 



Lister, J. J. — Notes on Liparids 170 



Johnson, W. F., & J. N. Halbert — Beetles of Ireland 176 



Felt, E. P. — Grapevine Root Worm 177 



Mayer, A. G. — Evolution of Colour- Patterns in Lepidoptera 291 



Kellogg, V. L. — Net-winged Midges 292 



Petruxkewitsch, A. — History of Polar Bodies in Drone-Ova 203 



Tower, W. L. — Development of Wings in Beetles 293 



Gray, St. George — Screw-Worms in St. Lucia 293 



Wesche, VV. — Parasite of the Wallaby 294 



Leger, Louis — Parasitic Bacteria in Intestine of Chironomus Larvae 294 



Schenk, O. — Antennary Sense-Organs in Lepidoptera and Hymenoptet -a .. .. 294 



Ribaga, Costantino — Insect against Insect 'J94 



Pictet, Arnold — Changes in Imagines induced by Change of Diet in Caterpillars 294 



Gulde, J. — Dorsal Glands of Larvx of Hemiptera-Heteroptera 294 



Silvestri, F. — A Most Primitive Insect 295 



Escherich, K. — Studies on Thysanura 295 



Pantel, J., & R. de Sinety — Development of Spermatid of Notonecta glauca .. 295 



„ „ Acrosome of Spermatid of Notonecta 295 



„ „ " Nebenkern " and Nuclein Movement in Spermatid 29(5 



of Notonecta glauca . . 296 



Regen, J. — Stridulating Organs in Saltatorial Orthoptera 296 



Bordas, L. — Structure of Gizzard of Carabidie 296 



Sellards, E. H. — Palaeozoic and Becent Cockroaches 296 



Lapouge, G. de — Phytogeny of Carabus 493 



Deegener, P. — Post Embryonic Development of Intestine 493 



Wagner, Fr. — Variations of Pieris napi 493 



Shelford, R. — New Case of Protective Mimicry in a Caterpillar 494 



Dixey, F. A. — Notes on Seasonal Dimorphism .. 494 



Tichomiroff, A. — Artificial Parthenogenesis in Silk Moth 494 



Brues, C. T. — Development of Stylopid as 494 



Dyar, Harrison G. — Lepidoptera of North America 495 



Bordas, L. — Mandibular Glands of Larval Lepidoptera 495 



'GRiiNBERG, K. — Oogenesis in Lepidoptera 496 



Borner, Carl — Joints of the Walking Legs in Insects and Myriopods 604 



Bauer, V. — Metamorphosis of Nervous System in Insects .. .. 604 



Bulman, G. W. — Insects and Petal-less Flotvers 604 



Lowe, Ernest, E. — Insects and Flowers 604 



Voinov, D. N. — Dimorphic Spermatozoa in Butterflies 605 



Kolbe, H. — Precocious Development of Pupal and Imaginal Organs in Caterpillars 605 



^Zander, E. — Mcde Genital Appendages in Lepidoptera 605 



Harris, W. U.— Teeth of Diptera 606 



Meunier, F. — Diptera from Amber 606 



-Galli-Valerio, Bruno, & G. Boohaz — Mosquitos in Winter 606 



Pittaluga, G. — Anopheles in the Iberian Peninsula 606 



Vaney, C, & A. Conte — Dipterous Parasite of the Vine-pest Haltica 606 



Wesche, W. — Male Organs of Scatophaga 607 



Bordas, L. — Alimentary Tract of Silphidx 607 



