Scarlatina, et que l'interprétation des faits nest pas moins périlleuse.' [Footnote: Comptes-Rendus,' lxxxiii. P. 177.] ******************** XIV SCIENCE AND MAN. XV. PROFESSOR VIRCHOW AND EVOLUTION. XVI. THE ELECTRIC LIGHT. [Footnote: A note, written to Benny Brooks to bring out vividly the selenite colours. 3. THE SKY OF THE ENGINE. [Illustration: FIG.