CONTENTS. XI 



PACK 



KoPACZEWSKi, W. — Poison of Mursena 43 



„ — Serum of Muraena ., 43 



„ — Toxicity of Serum of Murxna 43 



RoBLE, Louis — Evolution of Salmonidx 44 



Perkier, Edmond — Histenj of Faunaa'and its Felntion to Sex 4 



Pearl, Raymond — Measurement of \Degrees of Kinship 44 



Donaldson, Henry H. — Myelin and Advanring Age 185 



Mayer, A. G. — Theory of Nerve ConduHion .. .. 185 



Barbell, Joseph — Origin of Air-hreathirut Vertebrates 185 



Hagedoorn, A. G., & A. L. — Bats and Evolution 185 



KiTTELSON, John A. — Post-natal Growth of Kidneij of Albino Bat 186 



Goodrich, Edwin S. — '■'{Proboscis Pores'^ in Craniate Vertebrates 186 



Strong, R. M. — Origin of Melanin in Feather-germs of Fowls 187 



Walton, Ch AS. L. — Agricultural Zoologiral Survey of Aberystioith Area 187 



Sodthwell, T., & B. Prashad— jS/urf?/ ()/■ il/Zsa 187 



Hess, Walter N. — Seasonal Changes in Kidney of Stickleback 299 



Legendre, J. — Study of Malagasy Perch 299 



Delphy, Jean — Anomalous Pelvic Fins in Cottusbnhalis 299 



Williamson, H. Chas. — Otolith-metlwd of Estimating Age of Plaice .... .. 300 



Cutler, D. Ward — Bings in Scales of Plaice aiid Flounders 300 



LiPPiNCOTT. W. A. — Blue And alusians 300 



PococK, R. I. — Bacnlum or Os penis in some Genera of Mustelidx 300 



Petersen, C. G. JoH. — Fauna of Coastal Waters 369 



J.^^ovT^Mxm^Y.— Food of Post-larval Fishes 370 



Smith, Wilbur C. — Disappearance of Conus arteriosus in Teleosts 370 



Nanta. a. — Note upon the large Mononuclear Leucocytes of the Peripheral Blood 



and the Macrophages at the Site of Injury amongst the Wounded 370 



Bablet, J. — The Leucocytes in Experimentnl Spirochetosis ictohxmorrhagica in the 



Guinea-pig 371 



Tunicata. 



Hecht, Selig — Sensory Beactions of Ascidia atra 301 



Crozier, W. J. — Photic Sensibility of Balanoglossids 301 



Name, WiLLARD G. Van — Philippine Ascidians 371 



Hecht, Selig — Vascular System of Ascidian 371 



INVERTEBRATA. 



MoUusca. 



«• Cephalopoda. 



Botazzi, F. — Posterior Salivary Glands of Cephalopods 37 2 



y. Gastropoda. 



Thompson, Elizabeth LocKwooD — Experiments with Physa gyrina 45 



Bartsch, Paul — Philippine Species of Amphidromus 45 



C0VKi,Ji!,E. G.—Centrifuged Eggs of Crepidula 188 



TAYLOTi, Jony W.—Briti>'h Terrestrial and Fresh-w((ter MoUusca 188 



Crozier, W. J. — Immunity Coloration in Nudibranchs 188 



Gatevby, J.Bronte— Cytoplasmic Inclusions in Germ-cells of Snail 189 



