VOL. XV., No. 89. 



JULY 1899. 



\AJ I w' 



NATURAL 



*> 



I* 



SCIENCE 



A MONTHLY REVIEW OF 



SCIENTIFIC PROGRESS 



PAGE 

 1 



CONTENTS 



Notes and Comments ....... 



The Animal Mind — The Art of Self- Defence — Trustees of the British 

 Museum — The Scaly Squid — Echinoderms at the British Museum — Acces- 

 sions to the Natural History Museum — Bryozoa and Bipolarity — More 

 about "Bipolarity" — Natural Science in Australia — The Colouring Matter 

 of Blue Coral — Zoology in Brazil — According to the Fancy of the Speller — 

 Flora of Sand Dunes — Galway Natural History Museum — Botanical Bio- 

 graphy — A new found Trilobite from Newfoundland — Mexican and Central 

 American Squirrels — Spinning at Dawn — E pur si muove !- 

 mentary Male — Is Fertility Inherited ? — Living Fossils. 



Notes on the Habits op the Northern Fur Seal 

 By G. E. H. Barrett-Hamilton. 



Excavations on Puffin Island 

 By Philip J. White, M.B. 



Mr. F. W. Headley on Evolution 

 By R. F. Licorish, M.D. 



Meteorology and Ethics 



The Comparative Chemistry op our Forest Trees 

 By P. Q. Keegan, LL.D. 



Fresh Facts ..... 



Some New Books .... 



Obituary ..... 



Rudolf Leuckart. 



News ...... 



EDINBURGH & LONDON 



YOUNG J. PENTLAND 



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