mjz f ifE-fiBtnr^T 0f 



A 



BEING AN INTRODUCTORY 



MANUAL OF SCIENTIFIC ENTOMOLOGY 



liV 



J. W. TuTT, F.E.S. 



Parts I. and II. now complete (Price 1/- each). The 

 whole Volume to Subscribers, 7/6, to be paid 

 for on receipt of Part II. 



The above will, when complete, form a Reference Manual on all Scien- 

 tific points dealing with the biology and physiology of the Lepidoptera. A 

 work, comprising summaries of the results which have accumulated 

 during the last quarter of a century, is undoubtedly greatly needed by all 

 lepidopterists who are not merely collectors. 



Parts I. and II. sent Post Free, Postal Orders 2/- to be made 



payable to — 



J. W. TUTT, Rayleigh Villa, Westcombe Hill, S.E. 



SKIASCOPY 



And its Practical Application to the 

 Study of Refraction. 



BY 



DR. ED^VARD JACKSON, A.M., M.D. 



ILLUSTRATED, PRICE 1 del , IN CLOTH. 



TWO ADDRESSES by 



JOHN B. ROBERTS, A.M.. M.D., 



" Points of Similarity pIXT .* """"^"""""^ 



tCf'w^t r^ ^ ▲ ^^'^ J of Physicians and Modern 



*'The Present Attitude Medidne to^vards 



__________^-_^__^^^^^^=— _;,^^^_^^^^_____-^^ Homoeopathy. " 



TWO LECTURES IN ONE. 16mo. Cloth, 75 cents. 



THE EDWARDS & DOCKER Co., 518-520, Minor Street, 



PHILADELPHIA, U.S.A. 



