398 REVIEWS. 



W, & A. K. Johnstone's Botany Sheets for Beginners, 



Nos. I and 2. (Edinburgh and London. 1896.) Price 3/6 each. 



These are finely coloured sheets, mounted on canvas and rollers, suitable 

 for Schools and Science Class Rooms. 



Sheet I. treats of the Typical Root. Fig. i shows the Germination of an 

 Acorn ; 2, Matured Tap-Root System of Sunflower ; 3, Annular Roots of 

 Ipecacuanha ; 4, Scabiosa, or Devil's Bit ; 5, Ciarden Beet ; 6, Carrot ; 



7, Yellow Turnip ; 8, Snake-root ; 9, Moniliform Roots of Pelargonium ; 

 10, Drop- Wort ; 11, A Diagrammatic View of a Tap-root with its Branches ; 



12, Apical portion of a Typical Root, as seen in Longitudinal Section ; 



13, Germination of Maize ; 14, P'ibrous Adventitious Roots of Meadow Grass ; 

 15, Tuberous Adventitious Roots of Dahlia; 16, Orchis maculata ; 17, Dia- 

 grammatic section of Tubers of same ; 18, Simple Root of Lemna ; 19, Ivy ; 

 20 shows the parasitic (metamorphosed) root Mistletoe ; 21, Rhizoids of Algae; 

 22, Common Mushroom. 



Sheet II. treats of Stems. Fig. i shows St. John's Wort ; 2, Lesser Peri- 

 winkle ; 3, Dutch Clover ; 4, Strawberry ; 5, House Leek ; 6, 7, Mignonette ; 



8, Buds of Sycamore ; 9, White Dead Nettle; 10, Daffodil; 11, Fox -tail ; 

 12, Hop; 13, Convolvulus ; 14, Vine; 15, 16, Furze; 17, Leaf-like Branches 

 of Butcher's Broom ; 18, Cactus ; 25, Hop-stem, with parasitic roots of Dodder. 



The explanatory text at the bottom of each chart is good. 



How to Study Wild Flowers. By Rev. Geo. Henslow, 

 M.A., F.L.S., F.G.S., etc. For the Use of Schools and Private Students. 

 Cr. 8vo, pp. 224. (London: Religious Tract Society. 1896.) Price 2/6. 



This little book is intended to enable the student to rapidly acquire an 

 accurate knowledge of typical British wild flowers, and to show him how he 

 may attain this without other assistance. It is very plainly written and nicely 

 illustrated with 47 engravings. 



The History of Mankind. By Prof. Friedrich Ratzel. 



Translated from the Second German Edition by A. J. Butler, M.A. ; with 

 Introduction by E. B. Tylor, D.C.L., F.R.S., etc. Vol. I. Royal 8vo, pp. 

 xxiv. — 486. (London: Macmillan and Co. 1896.) Price 12/- net. 



This grand book offers those who are beginning anthropological work the 

 indispensable outline sketches of the races of manknid, especially of the savage 

 and barbaric peoples who display culture in its earlier stages, thus aiding the 

 great modern nations to understand themselves. Besides a map, there are nine 

 beautifully-coloured plates and a great number of illustrations. 



A Manual of North American Birds. By Robert Ridge- 

 way. Illustrated by 464 outline drawings of the Generic Characters. Second 

 edition, royal 8vo. pp. xiii.— 653. (Philadelphia (U.S.A.) : T- B. Lippincott 

 Co. 1896.) Price 35/- 



The first edition of this fine work appeared eight years ago. Smce 1887 

 ninety-one species and sub-species have been added to the North-American 

 fauna. A description of these has been added in the Appendix ; whilst the 

 whole work has been carefully revised and corrected. The drawings of chief 

 generic characters, which are more or less in outline, cover 124 plates. 



British Butterflies ; being a Popular Handbook for Young 

 Students and Collectors. By J. W. Tutt. Cr. 8vo, pp. 479. (London : 

 George Gill and Sons. 1896.) Price 5/- 



It is with much pleasure we notice this volume of " Hedgerow and Wood- 

 land " series. From it the young entomologist may learn the main facts relat- 



