July 1, 1865.] THE TECHNOLOGIST. 



CONTENTS. V 



BAGE 



Influence of Terminal and Axillary Buds on the Quality of 



Timber. By Alfred Grugeon 401 



On the Indigenous Vegetation of Northern Peru. By Richard 



Spruce, Ph.D. . . 404 



Cambridge Coprolites. By George Sandys 422 



On the Food-Value of the Kola-Nut— A New Source of Theine. 



By John Attfielrl, Ph.D., F.C.S 424 



Obituary : Sir R. H. Schomburgk 428 



The Culture of Cotton in Northern Peru. By Richard Spruce, 



Ph.D. . .;-•.- 431 



The European Silurus. By M. C. Cooke. {Illustrated.) . . .445 



The Cannel Coal of Flintshire 448 



Gold and its Alloys 451 



On the Ravages of Ants. By the Rev. M. J. Berkeley .... 453 

 Kashmir Shawls from the East and Imitations Thereof . . 455 



Materia Medica of Baghdad and the Punjab. By M. C. Cooke . 461 

 The Forests of Sequoia (Wellingtonia Gigantea) of California. 



By Professor W. H. Brewer . . .463 



Oil for Watches. By David Meek 464 



On the Use of Coca Leaves. By Dr. Abl, of Zara . . . . 467 

 On the Composition and Nutritive Value of Palm-nut Kernel 



Meal and Cake. By Dr. Augustus Voelcker 469 



Tea Cultivation in India . . 474 



The Comb Manufacture . . . . , . . * y* . . .475 



Useful Plants of New Zealand 479 



Sugar from the Arenga Palm 483 



On Magnesium 488 



A New Oil-Seed for the Colonies . . , . . . .497 



Notes on Egyptian Agriculture 498 



Mineral Substances for Writing on 505 



The Kola-Nut of Tropical West Africa.— (The Guru-Nut of Soudan. ) 



By W. F. Daniel, M.D., F.L.S .__ . 515,527 



Reviews 46, 140, 191, 380 



Correspondence 94 



The Progress of the Telegraph. By the late Professor Geo. Wilson . 527 



On Dyeing. By W. Edmunds 542 



Metallic Coins to supersede Cowries in Africa .... 545 



Progress in Silk Culture ,546 



Notes on the Cantharides of the Argentine Provinces. By Dr. 



Herrmann Burmeister . . 548 



Pepper. By John R. Jackson 550 



Lisal Hemp. By Wm. C. Dennis, of Key, West Florida .... 555 

 Oil of Calophyllum Inophyllum. By Dr. Seemann . . . .557 

 Scientific Notes .... 47, 94, 42, 236, 378, 438, 524, 559 



