NEW WORKS 



natural 



PUBLISHED BY WHITTAKER AND CO. 



Just published, in 8vo. price 8a. <u. boards, the 



NATURAL HISTORY 



^ ; ANIMALCULES; 



CONTAINING 



DESCRIPTIONS OF ALL THE KNOWN SPECIES OF INFUSORIA 



WITH 



INSTRUCTIONS FOR PROCURING AND VIEWING THEM. 

 Illustrated by upwards of 300 Magnified Figures on Steel. 



TO WHICH IS APPENDED, 



DR. EHRENBERG'S CLASSIFICATION. 



BY ANDREW PRITCHARD, ESQ. 



Handsomely bound in cloth, 7s. fid. 



COLOURED IMPRESSIONS 



OF 



ENGRAVINGS 



FROM THE 



NATURAL HISTORY OF ANIMALCULES. 



THE 



MICROSCOPIC CABINET 



OF 



SELECT ANIMATED OBJECTS : 



WITH 



A DESCRIPTION OF THE JEWEL AND DOUBLET MICROSCOPES, 

 TEST OBJECTS, &c. 



TO WHICH ARK SUBJOINED, 



MEMOIRS ON THE VERIFICATION OF MICROSCOPIC PHENOMENA; 



AND AN EXACT METHOD OF APPRECIATING THE 



QUALITY OF MICROSCOPES AND ENGISCOPES. 



BY C. R. GORING, M.D. 



The whole illustrated by coloured Plates and Woodcuts, price ISs, 



' 



