X 
CONTENTS. 
PAGE 
Walker, J. J . — Terrestrial Fauna of Damma Island, East Indian Archipelago . . 552 
Stiles, C. W., & A. Hassall — Catalogue of Parasites GG7 
Coupin, H . — Food of tii'O Commensals 667 
Mollusca. 
Frenzel, J . — Histology of Mid-gut Gland 440 
Smith, E. A . — Indian Deep-Sea Mollusca 668 
a. Cephalopoda. 
Appellof, A . — Cephalopoda of North Sea 45 
Phisalix, C . — Inhibition in Cephalopoda 45 
Appellof, A . — Bilateral Hectocotylization in Eledone cirrhosa 46 
Perrier, E., & M. A. T. de Rochebrune — Brooding Habits of Octopus Digueti 328 
Appellof, A . — Shells of Sepia , Spirula , and Nautilus 553 
Joubin, L . — Cephalopoda of Amboina 554 
Racovitza, E. G . — Copulation of Cephalopoda 554 
,, „ Fecundation of Octopus vulgaris 554 
Korschelt — Spawn and Embryos of Eledone 555 
j8. Fteropoda. 
Knowek, H. McE . — Pteropods with Two Separate Sexual Orifices 555 
y. Gastropoda. 
Haller, B . — Neotsenioglossze 46 
Collinge, W. E . — Absence of Male Reproductive Organs in Two Hermaphrodite 
Molluscs 46 
Bergh, R . — Doridiidse 46 
Kohler, A . — Siphonaria 47 
Plate, L. H . — The Oncidiidse 47 
Metcalf, M. M . — Embryology of Chiton 49 
Carus, J. V . — Index to the Zoologischer Anzeiger .. 49 
Bergh, R . — Doridiidse 179 
„ „ The Genus Gastropteron 180 
Ihering, H. yon — Morphology of Sacoglossa 180 
Pelseneer, P . — Excretory and Reproductive Apparatus of Elysia 180 
Boutan, L . — Nervous System of Nerita and Navicella 181 
Pelseneer, P . — Shell Cavity of Philinidse 182 
Girod, P . — Kidney of Snail 182 
Bergh, R . — New Polycerad 182 
Sterki, V . — Growth Changes of Radula in Land Mollusca 182 
Locard — Mollusca of Water Mains of Paris 182 
Cdckerell, T. D. A., & W. E. Collinge— Check-List of Slugs 183 
Oswald, A . — Proboscis of Prosobranchs 328 
Toureng — Nervous System of Dreissensia polymorpha 328 
Plate, L . — Gadinia peruviana .. ■ 329 
Andre, E . — Anatomy and Physiology of Ancylus lacustris and A. fluviatilis 329 
Samassa, P . — Nerves of Oculiferous Tentacle of Helix pomatia 440 
Henking, H . — Hydrobia ulvse . . . 440 
Plate, L . — Circulatory and Renal Organs of Chitons 440 
Kofoid, C. A . — Lanvs of Cleavage in Limax 555 
Erlanger, R. v . — Primitive Nephridia of Lymnseus 556 
Ihering, H. yon — Peltella 556 
Plate, L . — Renal and Circulatory Organs of Chitons 556 
„ „ Oncidiella coquimbensis 556 
Schmidt, F . — Cleavage and Germ-Layer-Formation in Stylommatophora . . . 668 
Lacaze-Duthiers — Gonads of Ancylus 668 
Gilchrist, J. D. F. — Arrangement, Correlation, and Function of Pallial Organs of 
Tectibranchiata 669 
Crampton, H. E . — Reversal of Cleavage in a Sinistral Gastropod 669 
Varigny, H. de— Experimental Nanism 670 
