o 
PAGE 
Kapelkin, W . — Minute Structure of the Lamprey's Shin 64 
Mayer, O . — Ciliated Epithelium in Amphibian Larvx 65 
Andeer, J. J . — Ostioles 65 
Ballowitz, E . — Electric Organs 65 
Rose, C . — Hard Tissues of Vertebrates 66 
c. General. 
Andrews, G. F. —The Living Substance 66 
Welby, F. A . — Theory of the Functions in Living Matter 66 
Friedenthal, Hs . — Functions of White Blood-Corpuscles 67 
Werner, Fr . — Melanism in Reptiles and Amphibians 67 
Hickson, S. J . — Freshwater Fauna 67 
IN VERTEBR AT A . 
Mollusca. 
y. Gastropoda. 
Baker, F. C . — Apex of Gastropod Shell 67 
Holmes, S. J. — Cell-Lineage of Planorbis 68 
Erlanger, R. von — Worm-like Spermatozoa of Paludina vivipara 68 
Heath, H. — Young of Cryptochiton 68 
S. Lamellibranchiata. 
Pieri, J. B . — Experiments on Bivalves 68 
Stauffacher, H. — Head-Kidney of Lamellibranchs 68 
Freidenfelt, T . — Central Nervous System of Anodonta .. .» 69 
Arthropoda. 
Goodrich, E. S . — Relation of Arthropod Head to Annelid Prostomium 69 
a. Insecta. 
Brunner von Wattenwyl — Coloration of Insects 70 
Zimmer, Carl — Compound Eyes of Ephemerids 70 
Blatter, P . — Male Genital Organs of Hydrophilus 71 
Bruel, L . — Genital Ducts of Calliphora 71 
St. George, v. la Yalette — Formation of Sex-Cells in the Silk-Moth 71 
Willis, H. G . — Defensive Adaptations of Lepidopterous Latv.se 72 
Heymons, R . — Abdominal Appendages of Insects 72 
Pagentstecher, A . — Arctic Lepidoptera 72 
Karawaiew, W . — Internal Metamorphosis of Ants 72 
Yerson, E . — Development of Gut in the Silk-Moth 72 
Mobusz, A . — Alimentary Canal of Anthrenus Larva 73 
Kulagin, N . — Development of Platygaster 73 
Montgomery, T. H., Jun . — Chromatin Reduction in Spermatogenesis of Pentatoma 73 
Ule, E . — Symbiosis between a Butterfly and a Flower 73 
Gillanders, A. T . — Entomology of the Oak 74 
j3. Myriopoda. 
Verhoeff, C . — Studies on Myriopods 74 
5. Arachnida. 
Michael, A. D . — Acari from Franz-Josef Archipelago 74 
Wasmann, E . — Parasites of Ants 74 
Meek, A., & R. Greig Smith — Sheep-Ticks and Louping-Ill 74 
Piersig, R . — New German Hydrachnidx 75 
Simon & Brcelemann — Swiss Arachnids and Myriopods 75 
Rywosch, T . — Pigment of Tardigrades 75 
e. Crustacea. 
Garstang, W . — Respiratory Mechanism in Decapods 75 
Ortmann, A. E . — Carcinological Studies 75 
Bethe, A . — Nervous System of Shore- Crab 76 
Pedaschenko, D . — Development of Nervous System and Sex-Cells in Lernsea bran- 
chialis 76 
Birge, E. A . — Vertical Distribution of Limnetic Crustacea 76 
Annulata. 
Cuenot, L . — Physiology of Oligochxtes 76 
Hepke, Paul — Regeneration in the Naidx 77 
Boch, Max von — Budding of Chxtogaster 77 
Caullery & F. Mesnil — Branching Annelid 78 
Lewis, M . — New Species of Chjmene 78 
