Xll CONTENTS. 



l'AGE 



Vigelius, W. J. — Ontogeny of Marine Br yozoa Part G 936 



•J m.li f.n, J. — Cristatella mucedo „ 936 



Joyeux-Lafi tie, J. — Delagia Chxtopteri „ 936 



Bkaem, F. — Fresh-water Br yozoa „ 937 



Arthropoda. 



Grassi, B. — Primitive Insects Part 1 20 



Patten, W.—Eyes of Arthropods Tart 2 209 



Bruce, A. T. — Embryology of Insects and Arachnids Part 4 567 



Patten, W. — Eyes of Arthropods Part 6 938 



GlLSON, G. — Spermatogenesis of Arthropods .. .. „ 940 



Geuuchten, A. v. — Striped Muscle of Arthropods „ 941 



a. Insecta. 



Emery, C. — Love-lights of Luciola Part 1 30 



„ „ Mimicry and Parasitism of Camponotus lateralis „ 30 



Handlirsch, A. — Sand-wasps „ 30 



Grader, V. — Thermic Experiments on Periplaneta oricntalis „ 31 



Urech, F. — Diminution in Weight of Chrysalis „ 31 



Ciaccio, G. V. — Eyes of Diptera „ 31 



Blochmann, J. — Bacteria-like Bodies in Tissues and Ova „ 31 



Megnin, P. — Fauna of the Tombs „ 32 



Bath, O. Y. — Dermal Sensory Organs of Insects Part 2 210 



Kn( tpel, A. — Salivary glands of Insects „ 211 



M'Cook, H. C. — Sense of Direction in Formica ruf a „ 212 



Fricken, v. — Respiration of Hydrophilus „ 212 



Selyatico, S. — Aorta of Bomb yx mori „ 212 



Raschke, E. W. — Larva of Culex „ 212 



Ciiolodkovsky, N. — Some Species of Chermes „ 213 



Viallanes, H. — Nerve-Centres and Sensory Organs of Articulata . . .. Part 3 403 



Plateau, F. — Vision of Caterpillars and Adidt Insects „ 404 



Poulton, E. B. — Secretion of Pure Aqueous Formic Acid by Lepidopterous 



Larval for the Purposes of Defence „ 405 



Smith, T. F. — Finer Structure of Butterfly Scales ,, 405 



Bertkau, P. — Scent-organs of German Lepidoptera „ 406 



MLller, W. — Scent-Glands of Phryganidas „ 406 



Cholodkoysky, N. — Development of Endoderm of Blatta germanica , 406 



Portchinski — Comparative Biology of Necrophagous and Coprophagous 



Dipterous Larvas „ 407 



Cuccati, J. — Organization of Brain of Somomya erythrocephala „ 407 



Jourdain, S. — Machilis maritima „ 408 



Lemoin, V.— Brain of Phylloxera „ 408 



Graber, V. — Polypody of Insect Embryos Part 4 568 



Rath, O. vom — Dermal Sensory Organs of Insects „ 569 



Schmid, E. — Sub-aquatic Respiration „ 569 



Fielde, A. M. — Dorsal Appendages „ 570 



Emery, C. — So-called Digestive Stomach of some Ants ,, 570 



Forel, A., & G. W. Peckham — Senses of Ants .. ,. , „ 571 



VERSON, E. — Parthenogenesis in Bombyx mori „ 571 



Platner, G. — Karyokinesis in Lepidoptera „ 571 



Urech, F. — Decrease of Weight in Winter Pupas of Pontia brassicai .. . . „ 572 



Voeltzkow, A. — Development in Egg of Musca vomitoria „ 572 



Henking, H. — Early Stages in Development of Egg of Fly „ 573 



Will, L. — Development of Aphides „ 573 



Korschelt, E. — Egg-membranes of Insects Part 5 722 



