A MONTHLY REVIEW OF SCIENTIFIC PROGRESS 



Vol. XII. AJl Rig hts Reserved^ No. 71 



NATURAL 



™=^~ SCIENCE 



INI 



JANUARY 1898 



Contents 



PAGE 



Notes and Comments .......... 1 



The Behring Fur-seals — The Lepidosirea of South America — Matters MoUuscan — A Com- 

 prehensive Work on Moths — A Parasite on Cocln-oach Eggs— Leg-casting among Stick- 

 insects— Swedish Arctic Expedition — German Deep Sea Expedition — The Cricket as 

 Thermometer — Dr William Francis and the "Annals" — Bulletin of the Liverpool 

 Museums — 'Medicine' at the Liverpool Museums — Geology in Japan — A New Manure 

 —Geology in Queensland — Disease in Lilies 



The Classification of the Day Butterflies {with Plate I.). By A. Radcliflfe Grote, A.M. . . 15 



The Authenticity of Plateau Man : A Reply. By A. Santer Kennard . . .27 



A New Scheme of Geological Arrangement and Nomenclature. Part II. By Sir Henry H. 



Howorth, M.P., F.R.S. ......... 35 



Dipeltis, a Fossil Insect ? By C. J. Gahan, M.A. . . .42 



Reproductive Diverg^jnce not a Factor iu the Evolution of New Species. By Karl Jordan, Ph.D. 45 



The Structure and Habits of the Plesiosauria (with Plate III.). By Professor W. Dames, Ph.D., 



F.M.G.S. ........... 48 



Some New Books ........... 52 



Wild Traits in Tame Animals : by L. Robinson— AUgemeine Physiologic : by M. Verwom 

 — Traite de Zoologie, Nemertiens : by L. Joubin — Cyclops : by Forbes, Richard, and 

 Scott — System der Bacterien : by W. Migula — Vorlesungen Uber Bacterien : by A. 

 Fischer — Open- Air Studies in Botany : by R. L. Praeger— familiar Wild Flowers : by 

 F. E. Hulme— Traite de Botanique : by L. Courchet -Failles et Geogenie : by F. 

 Lefort — The Valley of Zermatt and the Matterhorn : by E. Whymper— Cheltenham as 

 a Holiday Resort : by S. S. Buckman 



Obituaries ............ 65 



R. P. Heidenhain — 0. F. von Fraas— J. Frenzel — J. Winsor^and others 



News of Universities, Museums, and Societies . . . . .68 



Correspondence .......... 72 



Alfred 0. Walker. 



LONDON 



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