CONTENTS. XV 



PAGE 



Merrifield. F. — Insect Bionomics 423 



Beindley, H. H. — Procession of Cnethocampa pinivora 423 



Carpenter, G. H. — Saufh Orkney Coll emhola 544 



Herms, W. B. — Ecological Study of Sarrophagidas 544 



AsHBURN, P. M., & (J. F. Craig — Culex fatigans and Dengue Fever 545 



DixET, F. A. — Diaposematism in Butterflies 545 



PotJLTON, E. B. — Cryptic Eesemhlance ill South American Insects 545 



Prodt, L. B. — Dimorphism of a Geometrid in relation to Mendel's Law .. . . 545 



Metalnikoff, S. — Physiology of Insect Metamorphosis 545 



Zavrel, Jan — Eyes of Diptera 546 



Gillette, C. P. — Clfrmes of Colorado Co7iifers 546 



Hill, E., & L. G. Haydon — Larvse of South African Anophelina 546 



Lead-Gxawing Iftt<ec< 546 



Theobald, F. V. — Distribution of Injurious Insects hy Artificial Means 546 



Shelford, R. — Studies on Blattidx 547 



Jacksox, A. D. — American Species of Papirius 547 



EwART, A. J. — Museum Beetle 547 



Mark, E. L., & M. Copeland — Maturation in Spermatogenesis of Vespa .. .. 671 



DoNCASTER, L. — SperTnat agenesis of Honey Bee 672 



„ ,. Gametogenesis and Fertilisntion in Nematus ribesii 672 



Kellogg, Vernon L. — Variition in Purthenogenetic Insects 672 



Weber, S. E. — Mutation in Mosqnitos 673 



Haller, B. — Fenestrae of Periplaneta orientalis 673 



Warren, E. — Sarcophaga Larva in Human Intestine 673 



Lt'BBEN, H. — Internal Metamorphosis of Trichoptera 673 



SiLVERLOCK, O. C. — Senses of Ants 674 



Felt, E. P.— 2nsec< Tree Pesis 674 



Morrill, A. W. — New Parasitic Proctotrypid 674 



Sternfeld, R. — Mouth-parts of Ephemeridee 674 



DuRKEN, B. — Tracheal Gill-musculature ill Ephemeridee 674 



Matheson, E., & A. G. RcGGLES — Silk glands of Apanteles 675 



Imms, A. D. — Disease in Bees 675 



Martelli, G. — Life-history of Pieris Brassicx L 675 



Stange, P. — Rudiments of Wings and Ht{ Iter es in Melophagus 675 



ViGiEK, Pierre — Structure of Compound Eye in Muscidss 675 



Boas, J. E. V. — Sac surrounding Pupx of Ichneumonidx 676 



Hewitt, C. G. — Structure of the House-fly .. ■ 676 



Verrill, A. H. — t\ew Hercules Beetle 676 



Rehn, J. A. G. — Orthoptera of Paraguay 677 



Kellogg, Vernon L. — Note on Assortative Mating 677 



y- Myriopoda. 



Brxjntz, L. — Phagocytosis in Diplopoda 1 64 



Blackman, M. W. — Spermatocytes of Lithobius 303 



Ziegler, H. E. — Trackeee of Julus 423 



Effeneerger. W. — Trailiese in Polydesmus 424 



KRVQ,li.— Structure of Julus 548 



8. Araclinida. 



Allen, W. E. — Anatomy of Boophilus annulatus Say 41- 



WdLCOTT, R. H. — Genera of Water-Mites .. .. 41 



Gt'Ssow, H. T. — Phytiipiids and Witch's Broom of Birch-Trees 41 



Jackson, R. T. — New SpeHes of Fossil Limulus from Jurassic of Sweden .. .. 41 



Kew, H. Wallis — Chernes cerneus in Nottinghamshire 164 



With, I'. J. — h^dian False-scorpions 164 



Froggatt, W. W. — Sew Australian Tick 165 



Williams, S. R. — Anatomy of Boophilus annulatus Say 165 



Soar, C. \)- — Life-history of Fresh-water Mites 165 



SOKENSEM, W. — Gihocellum sudeticum 165 



