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CONTENTS. 
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Weiss, O. — Skin-Glands of Toad 152 
Wlassak, E . — Origin of Myelin 152 
Eisen, Gustav — Chromoplasts and Chromioles 269 
Butschli, 0 . — Stt ucture of Protoplasm 270 
Bolsii s, H . — Protoplasm of Epithelial Cells 270 
Hekxheimer, Karl — Structure of Protoplasm 270 
Ruz:cka, Vladislav — Structure of Nerve-cells 270 
Levy, Hugo — Teeth of Reptiles 271 
Tomes, C. S . — Teeth of Gadidas 271 
Heidi nhain, Martin — Peculiar Form of Protoplasmic Budding 378 
Schaiek, A. — Nuclei of the Rod- Cells in the Retina 378 
H^ckek, Y. — Practical Cytology 471 
Mokpulgo, B . — Experiments on the Regenerative Capacity of Striped Muscle.. .. 471 
„ ,, Longitudinal Growth of Striped Muscle 471 
Schaffer, Josef — Structure of Unstriped Muscle 472 
Studnicka, F. K . — Intercellular Connections and Cell Prolongations 472 
Eanvier, L . — Mammalian Epidermis 473 
Holmgren, Emil — Ganglion-cells of Spinal Cord . .. 473 
Meyer, Semi — Neurites in the Central Nervous Systertt 473 
Meyer, Sigmund — Structure of Capillaries •• .. 474 
Helly% Konrad Koloman — Histology of Alimentary Canal in Dasypus viilusus .. 474 
Rohon, J. Y . — Teeth of Fossil Dipnoi 474 
Chiarini, P., & M. Ga'iti — Luminous Organs of Fishes .. •• 474 
Butschli — Researches on Structure 576 
Heidenhain, M . — Intestinal Epithelium 576 
Rudnew, W . — Direct and Indirect Division 576 
Johann, L. — Luminous Organs in Spinax niger 576 
Moller, W . — Intestinal Secretion and Absorption 576 
Tonkoff, W . — Multinucleate Epithelial Cells 577 
Ksjunin, P — Innervation of Sensory Hairs 577 
Sterzi, G. N . — Envelopes of the Spinal Cord in Anura 577 
Kupffer, (J. von — Stellate Cells of the Mammalian Liver 577 
Ross, Mary J. — Air-Sacs of Birds 577 
I’olan, H . — Thyroid and Thymus of Amphibians .. 578 
Sukatschoff, Boris — Non-cellular Structures 578 
Flemming, W., & His — Structure of the Cell 578 
Fritz, Franz — Optic Chiasma of Amphibians 579 
Shapfer, Alfred — Structure of Cerebellum 579 
Holmgren, Emil, & F. R. Studnicka — Structure of Nerve-cells 580 
Giglio-Tos, Ermanno — Histology of Blood 580 
Rayvitz, Bernard — Blood of Fishes 581 
Dcgiel, A. S . — Structure of Herbert's Corpuscles 581 
Sala, Guilo — Structure of Pacini's Corpuscles 582 
c. General. 
Andres, Angelo — Mechanical Explanation of Life 
Kohlbrugge, J. H. F.— Atavism .. 
Reibmayr, A. — Inheritance of Immunity 
Garstang, W. — Variations and Races of the Mackerel 
Couvreur, E. — Respiration in Cyclostomes 
Packard, A. S. — Retrospect 
Yernon, H. M. — Evolution of the Warm-blooded Animal 
4 inn, Frank — Whip-Snakes 
Earl, Alfred — Living Organism 
Mann, G. — Nature of Life 
Toni, G. B. de — Food of Marine Fishes 
Zacharias, 0. — Winter- Plankton in Large and Small Basins 
I) e witz, J .- — Fauna of Wadi Natroun 
Brandt, K. — Problems of Marine Metabolism 
Poulton, E. B. — Natural Selection and Mimicry 
Boudouy, Th. — Function of Pyloric Caeca in Teleostei 
Jaccard, Paul — Laws of Morphology 
Thompson, D’Arcy W. — Resemblance between Arctic and Antarctic Marine Faunas 
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