Xiv CONTENTS. 



PAGE 



Lewis, G. — Mouth-organs of two species of Bhysodidx Part 2 208 



OUDEMANS, J. T. — Tkysanura and Collemhola „ 208 



Cholodkotsky, N. & L. Dreyfus— -E'm6r2/ofos'2/ o/ insec!!s Part 3 377 



Merrifield, F. — Incidental Observations in Pedigree Moth-hreeding .. .. „ 379 

 Emerton, J. H. — Changes of Internal Organs in Pupa of Milkweed 



Butterfly „ 379 



Dreyfus, L. — Chermes and Phylloxera „ 379 



Cholodkovsky, N. — Chermes ,, 380 



Henking, H. — Formation and Fate of Polar Globules in Eggs of Insects .. Part 4 502 



Dahl, F., & D. Sharp — Vision of Insects „ 502 



Bertkau, P. — Hermaphroditism in Gastropacha ,, 503 



Wasmann, E. — Myrmecophilous Insects „ 503 



Skertchly, S. B. J. — Butterflies' Enemies „ 504 



DiNGAZziNi, P. — Alimentary Canal of Larval Lamellicorns „ 504 



Kronfeld, M. — Bees and Flowers . . „ 505 



Carlet, G. — Stigmata of Hymenoptera „ 505 



VoELTZKOW, A. — Development in Egg of Musca vomitoria „ 505 



MiK, J. — A Spinning Dipteron „ 506 



Low, F. & L. Dreyfus — Biology of Gall-producing Species of Chermes . . „ 506 



VoELTZKOW, A. — Egg of Melolontha vidgaris „ 506 



Hasse, E. — Anatomy of Blattidse „ 506 



Butler, A. G. — Insects supposed to be distasteful to Birds Part 5 633 



SCHAFFER, 0. — Histology of Insects ,, 633 



Blochmann, F. — Number of Polar Globules in Fertilized and Unfertilized 



Eggs of Bees „ 634 



LuciANi, L., & A. PiUTTi — Respiration of the Ova of Bombyx „ 635 



Grassi, B. — Termites „ 635 



OuDEMANS, J. T. — Abdomincd Appendages of a Lepismid „ 636 



GiARD, A. — Galls produced on Typhlocyba rosse, by a Hymenopterous Larva „ 636 



Wasmann, E. — Function of Palps in Insects Part 6 742 



Hagen, H. a. — Double Plexus of Nervures in Insects^ Wings „ 742 



Graber, V. — Structure and Phylogenetic Significance of Embryonic Abdomi- 

 nal Appendages in Insects „ 743 



Fickert, G. — Markings of Lepidoptera in the Genus Ornithoptera .. .. „ 743 



Platner, G. — Spermatogenesis in Lepidoptera „ 743 



Skertchly, S. B. J. — Habits of Certain Borneo Butterflies „ 744 



GiLSON, G. — Odoriferous Glands of Blaps mortisaga „ 744 



Wheeler, W. M. — Glandular Structure on Abdomen of Embryos of 



Hemiptera „ 745 



Cholodkovsky, N. — Life-history of Chermes „ 745 



MiNGAZZiNl, p. — Hypodermis of Periplaneta „ 745 



Griffiths, A. B. — Malpighian Tubules of Libellula depressa „ 745 



j3. Myriopoda. 



Kingsley, C. S. — Classification of Myriopoda Part 2 209 



Chalande, J. — Spinnerets of Myriopoda Part 4 507 



PococK, R. I. — Myriopoda of Mergui Archipelago „ 507 



Heathcote, F. G. — Anatomy of Polyxenus lagurus Part 5 637 



y. Prototraclieata. 



Sheldon, L. — Deuehpment of Peripatus Novx-Zealandix Part 2 210 



„ „ Maturation of Ovum in Cape and New Zealand Species of 



Peripatus Part 4 507 



Saint-Eemy, G. — Brain of Peripatus Part 6 745 



