A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



" To the solid ground 

 Of Nature trusts the mind which builds for aye." —Wordsworth. 



No. 1853, Vol. 72] 



THURSDAY, MAY 4. 1905 



[Price Sixpence 



Registered ,is a Newspaper at the General Post Office.] 



[All Rights 



NEWTON & CO='S 



^^. LONG-RANGE 

 fmm ELECTRIC 



-^^**— LANTERN. 



Single Long-range Lantern, b'a- fr>.nt with 44-in. condensers. and 

 eMra large front lenses 3 in. in diau.elcr. Cu.M,le.e with the New 

 Universal" Hand-feed Arc Lamp in case, £22. ,.j . , 



This Lantern is as efficient as any we can make for showing slides in large 

 halls where electric current is available. 



3 FLEET .STREET, LONDON. 



Improved Pattern 



NERNST 



PROJECTION 



LAMPS 



with 



Electrical Heating 



Circuit. 



Double 



filament 

 carrying 

 2 amps. 



VERLAC VOH CUSTAV FISCHER IN J(HA. 



VEGETlTioNSBlLDER 



het.iusgegeben 





L^ 



lJciu-iplii\ J'lUiij'-ii.ct Vim/ /• r, ,' ,^>t af^pHration to 



JOHN J. GRIFFIN & SONS, Ltd., 



20-26 SARDINIA STREET, LONDON, W.C. 



Dr. G. KARSTEN, 



P,,if. a. d. Univfrsilat Bonn. 



Dr. H. SGHENGK, 



Pr..f. a. d Technischen Hoch- 

 vchule Darmstadt. 



Zweite Reihe. Heft 8. (Schluss tier 2 Reihe.) 



G. SCHWEINFURTH und LUDWIfl DIEHLS, 



VEGETATIONSTYPEN AUS DER 



KOLONIE ERITREA. 



Tafel 55. Flachtaler mit Hyphacne ihebaira (Dom-Palmt-n) am 

 Thor Mansura, oberer Barka. _,»,.-.,■ u 



Tafel 56. Ficus Sycomorus im Trorkenbett des Anseba, ostlich 

 von Keren. 



Tafel 57. Rosa abyssinica bei Halai, 2600 m. n. M. 



1 afel 58. Boswellia papyrifera am Nordabfall des Hochlandes von 

 Dembelas, oberer Barka. „ ,., u r 



lafel 59. Aloe Schimpcii am Eingange zur Schlucht von L.ua, 



Tafel 60. Korkual-Hain' (Euphorbia abyssinica) bei Godofelassi. 



NEGRETTI & ZAMBRA'S 



ANEROID 

 BAROMETERS. 



NEW ILLUSTRATED AND 



REVISED PRICE LISTS 

 Free by Post, 



T/ie kVaicn %izi 

 Aneroid for foretelling 

 weather and measur- 

 ng fieights. 



38 



Holborn Viaduct, 



4S <<n-„hiU: 



in Keu'-nt Sti-vet. 



