CONTENTS. W 



Langley, S. P., & F. W. Yery— Fire-fly's Light the Cheapest Form of Light .. 642 



Tannreether, G. W.— Supernumerary Wings in Pieris rapie 642 



Ueh.L. — Development of Coccidse 64:5 



B. Myriopoda. 



Phisalix, C, & Behal— Volatile Foison of lulus terrestris 33 



Jourdain, S. — Poison of Scolopendra morsitans . .. 34 



Bkolemann, H. W. — Male Dimorphism in Diplopoda 152 



Verhoeff, Karl "\V. — Paleearctic Myriopoda 153 



Merlin, A. A. — Tracheae of Centipede 153 



Meves, Fr., & K. V. Korff — Cell-division in Myriopoda 274 



Mauck, A. V. — Absence of Variation in a Swarm of Myriopods 528 



Rossi, G. — Ventral Nerve-Cord of Myriopods 528 



Verhoeff, K. W. — Coxal Sacs of Diplopoda 643 



Ltjdwig, F. — Supposed Phosphorescence of Millipedes 643 



Rossi, G.—Nest of lulus 64: J 



-y. Protracheata. 



Bocvier, E. L. — Peripatopsis blainvillei 153 



Montgomerry, T. H. — Spermatogenesis of Peripatus balfouri 275 



Evans, Richard — New Species of Peripatus 643 



„ ., Development of Eoperipatus weldoni 644 



Bouvier, E. L. — Peripatopsis blainvillei 644 



5. Arachnida. 



Wheeler, W. M. — Koznenia mirabilis in Texas 34 



Wallace, L. B. — Accessory Chromosome in Sperm-cells of Spider 34 



Foa, Anna — Is there Polymorphism and Parthenogenesis in Gamasidse ? . . . . 34 



Lewis, R. T. — Copulation of Ixodes reduvius 153 



Soar, C. D. — British Species of Arrenurus 153 



„ „ Scottish Hydrachnida 153 



TragIrdh, Iyar — Patagonian Mite 154 



Pocock, R. I. — Palasophonus hunteri sp. n 275 



Koenike, F. — Genera of Hydrachnids 276 



Pocock, R. I. — Adaptation of Instinct in a Trap-door Spider 276 



Richters, F. — Mites and Tardigrades 276 



Wagner, W. — Habits of Water Spider 416 



Kathariner, L. — Parental Care in a Spider 416 



Wheler, E. G. — Stigmatic Organ of Nymph of Ornithodoros megnini 417 



Soar, Chas. D. — Larval Hydrachnida 417 



Hanstein, Reinold v. — Genus Tetranychus 644 



e. Crustacea. 



Ekman, Sven — Patagonian Cladocera 34 



Muller, G. W. — Fresh-water Ostracods of Germany 35 



Samter, Max — Development of Leptodora hyalina 35 



Radl, Em. — Arthropod Vision 36 



Entemann, M. M. — Variations in Crest of Daphnia hyalina 36 



Owsiannikow, Ph. — Nervous System of Crayfish -u 



Thompson, I. C. — Tropical Plankton 154 



Verhoeff, Karl W.—Pal&arctic Isopods 154 



Scodrfield, D. J. — Swimming Movements of Entomostraca 154 



Kaufmann, A. — Ostracod a of Switzerland 154 



Scocrfield, D. J. — Daphnia hyalina .. .. 154 



Samter, M., & W. Weltner — Marine Crustacea in a German Lake 155 



Vosseler, J. — Position of the Scinidse 155 



Chilton, Charles — Subterranean Amphipoda of Britain 155 



Vejdoysky, F. — Antennal Glands and Shell-Glands in Crustacea 276 



