CONTENTS. IX 



PAOB 



Hahn, Erna — Colour-sense in Diurnal Birds 241 



HossiNS, E. R., & M. M. HosKiNS — Reactions of Dogfishes to Injections 241 



Easmussen, Andrew T. — Blood and Blood Gases in Rihevnating Woodchur\<i .. 241 



„ „ Nerve-cells of Woodchuch during Hibernation 242 



Dahlgren, Ulbic — Luminous Animals .. .. 242 



Mayer. Alfred GoLDSBOROTJGH — Death from High Temperature .. .. .. .. 242 



Jacobs, M. H. — Acclimatization and Upper Thermal Death Points 243 



BiGNEY, Andrew J. — Influence of Adrenin on Frog's Melanophores and I'etina 



Cells ' 243 



Blank, Ernst — Bent Tail in Mine 243 



Scott, George G.— Osmotic Pressure of the Blood .. 243 



Waterman, T. T. — Evolution of the Chin .. 244 



Williamson, H. Chas. — Dentigerous Cyst on Cod's Upper Jaio 244 



CocKEREhhjT.D. A.— Fossil Fish-scales 244 



yuRBECK, G. — Fauna of Ritoin Lahe 339 



Macljcod, Julius — Quantitative Method in Biology .- 339 



Takenouchi, Matsuziro — Resistance of Red Blood Corpuscles to Hypotonic Salt 



Solutions 339 



Goodrich, Edwin S. — Heart of Reptiles . . 340 



Benhaji, W. B. — Tico Unusual Blood Vessels in Tree- Frog 340 



Purser, G. L. — Brain and Cranial Nerves of Dogfishes 340 



NrsBAUM-HiLAROWicz, J. — Organs of Internal Secretion in Fishes 340 



Shann, E. W. — Myology of Shoulder-girdle and Pectoral Fin in Fishes 340 



Lebour, Marie V. — Feeding Habits of Young Fishes 341 



BouTAN, A. — Function of Swim-bladder 341 



Tunicata. 



Day, Edward C. — Nervous System of Ascidian 244 



Metcalf, Maynard M. — Taxoiiomic Study of Salsidas (2 &g3.) 245 



„ ., & HoYT S. Hopkins — Taxonomic Study of Pyrosoma(2 &gs.) 246 



IN VERTEBRAT A . 



Mollusca. 



Anthony, R. — Muscle-fibres of Molluscs 135 



Crozier. W. J. — Use of Foot in some Molluscs 248 



«• Cephalopoda 



Shoji, KiNNOSUKE — Luminescence of Watasenia scintHkins 34 



Polimanti, 0. — Colour-sense in Octopus , 248 



y. Gastropoda. 



Crozier, W. J., & L. B. Abey — Sensory Reactions of Chromodoris zebra .. .. 34 



„ — Coloration of Chromodoris zebra 34 



Gatenby, J. Bronte — Dimorphic Spermatozoa in Paludina vivipara 135 



„ „ — Germinal Nurse-cells of Testacella 136 



„ „ — Gametogenesis and Early Development of Limnsea stagnalis 136 



Crozier, W. J. — Sensitiveness of Gill-plumes of Chromodoris zebra 348 



,, „ - Assortive Mating in Nudibranchs 249 



Gould, Harley N. — Sex-changes in Crepidula plana .. .. 249 



