CONTENTS. XI 



PAGB 



Jameson, H. Ltster — Struggle for Existence among South African Rats 23 



Pearl, Raymond, & Maud Dewitt Pearl — Variation in Comb of Domestic Fowl 23 



Roule, Louis — Variations in Tropidonotus 23 



Abel, O. — Attitude of Dinosaurs 23 



Dehaut. G. — Lungless Salamandrid 24 



Athanasiu, J., & J. Dragoiu — Seasonal Migration of Fat in the Frog 24 



Dollo, L., & G. Schlesinger — Studies on Fishes 24 



Brocher, F. — Capillary Phenomena in Life of Fresh-ivater Animals 24 



Morris, Esther R., & Janet Raff — Structure of Asymmetron bassanum Gunther 25 



Shipley, A. E. — Relation of Entozoa to Bacterial Disease 25 



Moore, Benjamin — Reaction of Marine Organisms to Light and Phosphorescence .. 155 



Fuchs, Hugo — Temporal Region in Vertebrates 157 



Fuchs, Hugo, & Roy L. Moodie — Morphological Significance of Sacral Ribs .. 157 



Ussoff, S. A. — Significance of the Enfochoni 'a 157 



Roule, L. — Study of the Notochord 157 



Fritz, F. — Vibrissa on Cats' Arm 157 



Trouessart, E. L. — New Insectivore 157 



Pocock. R. I. — Agriotype of Domestic Asses 158 



Broom, R. — Organ of J acob&on in Ant-bear 158 



Lane, H. H. — Classification of Edentates 158 



Huet, R. H. J. G. — Seminal Vesicles and Infection 158 



Franqois-Franck, Ch. E. — Mechanism of Respiration in Lizard 158 



Mayerhofer, Franz — Ribs of Urodela .. 159 



Pellegrin, J. — New Parasitic Fish 159 



Regan, C. Tate — Species of Three-spined Sticklebacks 159 



Burne, R. H. — Aortic Ligament of Shad 159 



Dollo, Louis — Antarctic Macrurid 159 



Allis, Edward .Phelps — Cranial Anatomy of Mail-cheeked Fishes 160 



Lloyd, R. E. — Supposed Evidence of Mutation in Malthopsis 160 



Tschermak, A. v. — Study of Heart-action in Fish Embryos 160 



Burne, R. H.— Olfactory Organ of Teleosteans 161 



Tretjakoff, D. — Mesencephalic Nerve in Ammocoetes 161 



Fage, L. — Variation in Midlet 161 



Ogilvie-Grant, W. R. — Zoology of Ruwenzori 161 



Mayer, A. G. — Relation between Ciliary and Muscular Movements 298 



Wester, D. H. — Distribution of Chitin 298 



Lannelongue — Supplementary Function of Foot in Yellow Races 298 



Gerhardt, Ulrich — Os Penis and Os Clitoris in Apes .. .. 299 



Bruhns, Fanny — Nails of Primates 299 



Ewart, J. Cossar — Restoration of Ancient British Race of Horses 299 



Houssay, Frederick — Asymmetry of Cetacean Skull 299 



Carlsson, Albertina — Macroscelidx 299 



Leche, W. — Significance of Milk Dentition 299 



Cory, Charles B. — Birds of Illinois and Wisconsin 300 



Hagmann, G. — Reptiles of Mexiana 300 



Miller, Newton — Habits of American Toad 300 



AVintrebert, P. — Transformation of Palatal Region in Axolotl 301 



„ „ Palatine and Pterygoid in Axolotl 301 



Engel, H.— Rostral Teeth of Pristis 301 



Hony, Reinhard — Suctorial Disc of Echeneis 301 



Elmhirst, R. — Notes from Millport Biological Station 301 



Bianco, Salvatore Lo — Period of Sexual Maturity in Marine Animals . . . . 302 



Scharff, R. F. — Former Land Bridge between Northern Europe and North America 302 



Goodrich. E. S. — Origin of Vertebrata 447 



Lorrand, A. — Physiology of Senescence »• 



Fuchs, H. — Homologies of Mammalian Pterygoid «' 



Curtis, Maynie R. — Ligaments of Oviduct of Domestic Fowl *47 



Welch, F. D. — Change of Colour in a Ratel n> 



Strubell, Alex. — Immunity of Hedgehog 448 



Barbour, Thomas — Reptiles and Amphibians of Jamaica 



Phisalix — Toxic Action of Mucus of Amphibians 



Agar, W. E. — Nesting Habits of Phyllomedusa sauvagii "8 



