CONTENTS. XI 



PAGR 



Gallardo, A. — MyrmecopMloits Beetle 250 



BuDEB, J. E. — Spermatogenesis in Deilephila euphorbias 250 



SzYMAtfSKt, J. S.— So-called Hi/Jiopsis in Cockroach 250 



VoiNOv, D. — Mitochondrial Changes in Spermatogenesis 251 



,, — Peculiar Occurrence in Spermatogenesis of Grijllotalpa 251 



Jordan, H. E. — Striped Muscle of Mantis 251 



Handschin, Ed. — CoUembola of the Snoio Level 251 



Gatenby, J. Bronte — Segregation of Germ-cells in Tvichugramma evanescens .. 343 



„ „ — Polyemhryony in Parasitic Hymenoptera 344 



Imms, a. D. — Insect Parasites of some Coccidx 345 



Carter, Lucy A. — Somatic Mitosis of Stegomyia fasciala .. .. 346 



Yerboey, J. W. — Seashore Diptera 346 



EoDMAN, G. H. — Lecture on Fleas 346 



Isaak, I. — Luminescence i)i Tiger-moth 347 



Van Bemmelen, J. F. — Wing-markings of Spuingidx 347 



Whiting, P. W. — Genetic Studies on Mediterranean Flour-moth 347 



Davey, Wheeler P. — X-rays and Beetles 348 



Stager, Rob. — Behaviour of Tiger-beetle Larva 348 



Bridges, Calvin B. — Eye-colour in Drosophila melunogusttr 348 



Teodoro, ,G. — Lecanium persiciB and its Symbiotic Yeasts 348 



Friedertchs — Counteracting Insects by Fungi 348 



Morgenthaler, O. — Bee Diseases 349 



Hart, Charles Arthur — Nearctic Pentatomoidea 349 



Baumberger, J. Percy — Yeasts and Insects 349 



Wenrich, D. H. — Individuality of Chr-omosomes, toith Special Reference to Synaptic 



Phase 349 



/8. Myriopoda. 



Rabaud, E. — Food of a Millipede 39 



Chamberlin, Ralph V. — Lithobiid Genera 39 



Broleman, Henry W., & Jean L. Lichtenstein — Vulvae of Dipiopvaa ■■ ., 143 



y. Onychophora. 



Glen, Edith H. — Early Development of Peripatus capensis 350 



g. Arachnida. 



Billiard, G. — Mites in Culture Tubes - 39 



Bodkin, G. E. — Study of Amblyomma dissimile Koch 39 



Patten, Bradley M. — Reactions of Whip Scorpions 40 



Rabaud, E. — Colour Adaptation in Spiders .. 40 



Walter, C. — Water-mites from Peru and Brazil (\ &^.) 143 



Fage, Louis — Cavernicolous Spiders - 143 



Berlese, A. — A Hundred New Mites 350 



NuKADA, S. — Heart of Limtdus 350 



«• Crustacea. 



MiJLLER, R. T. — Study of Tariymastix lacunae Gu^rin 40 



Banta, Arthur ]\I. — Rarity of Sex Intergrades in Cladoceru 40 



