The following Works are not Included in the ' Internatiom 

 Scientific Series:' 



INTRODUCTION TO THE SCIENCE 

 OF ELECTRICITY. 



Lectures by BRUNO KOLBE, 



Chief Science Master at St. Anna's Schools, St. Petersburg. 



Edited and Revised by the Author for publication in England. 



Authorised Translation by JOSEPH SKELLON, formerly Master a 



Beaumont College, Old Windsor. 



Demy 8vo. with 76 Illustrations, price 1OS. 6d. net. 



PLANT BREEDING. 



By HUGO DE VRIES, 



Professor of Botany in the University of Amsterdam ; Author of 

 ' Species and Varieties.' 



Demy 8vo. Illustrated, price 7s. 6d. net. 



OPHTHALMIC OPERATIONS. 



By H. GRIMSDALE, F.R.S., M.B., B.CCantafa., 



Westminster Ophthalmic Hospital, Ophtl 

 to St. George's Hospital ; and 



E. BREWERTON, F.R,CS,, 



toyal Westminster Ophthalmic Hospital, 

 Surgeon Metropolitan Hospital, &c. 



With numerous Diagrams. Demy 8vo. price 12s. net. 



Surgeon, Eoyal Westminster Ophthalmic Hospital, Ophthalmic Surgeo 

 to St. George's Hospital ; and 



Surgeon to Royal Westminster Ophthalmic Hospital, Ophthalmic 

 Surgeon Metropolitan Hospital, &c. 



NUTRITION AND DYSENTERY. 



By U. N. MUKERJI, MJXEdin., 



>yal College of Surgeons, Engl 

 Indian Medical Service. 



Crown 8vo. price 3s. 6d. net. 



Member of the Royal College of Surgeons, England, Lieut.-Colone 

 Indian Medical Service. 



Londpn: KEGAN PAUL, TRENCH, TRUBNER, & CO., LTD 



