xii CONTENTS. 



Brewster, E. T. — Variation and Sexual Selection in Man 183 



Eigenmann, C. H., & J. R. Slonaker — Blind Rat of Mammoth Cave 183 



Eigenmann, C. EL, & A. C. Yoder — Blind Fishes of North American Caves .. .. 183 



Absolon, Karl — Moravian Cave Fauna 183 



Eigenmann, C. H., & W. A. Denny — Eyes of Cave Salamander 184 



Fere, Ch. — Temperature of Fowls 184 



Forel, F. A. — Colour Variation in the Swan 185 



Pickels, F. W. — Accessory Bladders of Turtles 185 



Eitter, W. E., & Love Miller — Peculiar Salamander 185 



Lonnberg, E. — Salamanders with and without Lungs 185 



Thorndike, E. — Psychology of Fishes . 186 



Gotch, F., & G. G. Burch — Electric Organ of Malapterurus 186 



Harrington, N. R. — Habits of Polypterus 186 



Yung, E., * O. Fuhrmann — Effect of Starvation on Fishes 187 



Garten, S. — Experiments on the Electric Organ of Torpedo 187 



Schneider, Guido — Function of Caecum in Lancelet 187 



Loeb, J. — Artificial Production of Rhythmic Muscle Contractions 310 



Williams, S. R. — Specific Gravity of Animals 311 



Mtii.LER, J. — Diastatic Ferment in Hen's Egg 311 



Boettger, 0. — Mimicry in Snakes 311 



Bumpus, H. C. — Reappearance of the Tilefish ' .. 311 



Grigorian, C. — Labyrinthine Apparatus of Labyrinthic Fishes 312 



Romano, Anacleto — Colouring Matter of Electric Lobes in the Torpedinidse, . . . . 312 



Budgett, J. S. — Habits of Polypterus and Protopterus 312 



Broyant — Plankton Variation 312 



Thompson, I. C— Tropical and more Northerly Plankton .. .. 313 



Marsh, 0. Dwight — Plankton of Fresh-water Lakes 313 



Fuhrmann, 0. — Lake Plankton 313 



Burckhardt, G. — Swiss Plankton .. .. 313 



Prowazek, S. — River Plankton 314 



Wynn, W. H. — Organic Evolution and Altruism 314 



Allen, F. J.— WhatisLife? .. .. 314 



Edinger, L. — Thalamencephalon of Reptiles 448 



Florentin, R. — Fauna of Salt Lakes 449 



Gamble, F. W. — Colour-Change 449 



Loeb, Jacques — Physiological Effect of Common Salt 449 



Lankester, E. Ray — Increase in the Size of the Cerebrum in Mammals 450 



Kijanizin — Effect of Sterilised Air on Mammals 451 



Mobiis, K. — JEsthetic Judgments on Mammals .. 451 



Sixta, V. — Monotremes and Reptiles . . 451 



Ridewood, W. G.—Aglossal Toads.. 451 



Kyle, H. M. — Nasal Secretory Sacs in Teleostei 452 



Bridge, T. W. — Air-bladder in Notopterus borneensis 452 



Surbeck, Georg — Copulatory Organ in Cottus gobio 453 



Jungebsen, H. F. E. — Urogenital Organs of Polypterus and Amia 453 



Thilo, Otto — Animal Mechanics 570 



Zehnder, Ludwig — Origin of Life .. . . 570 



Gage, S. H. — Study of Domestic Animals 57? 



Latjdenbach, J. — Use of Otoliths 571 



Haller, B. — Morphology of the Vertebrate Brain 571 



Allis, E. P., Jun. — Sensory Canals of Polypterus bichir 572 



G uitel, Frederic — Kidney of Lepadogaster gouanii 572 



Padlli, Simon — Pneumaticity of Mammalian Skull 573 



Rossinsky. D. — Moles' Burrows 573 



Haase, Anton — Attaching Organs of Geckotidx 573 



Furbringer, M. — Position of Myxinoids 573 



Dean, Bashford, & J. Graham Kerr — Position of Valmospondijlus 574 



Jacobi, Arnold — Fauna of Japan 660 



Beddard, F. E. — Vibrissas on Forepaws of Mammals 660 



Brandt, A. — Phyhgeny of Mammalian Hairs 660 



Oswald — Function of Thyroid 660 



Vincent, Swale — Carotid Gland and Suprarenal Capsule in Mammals .. . . 660 



