NEW WORKS 



ON 



JMtaoSroptr &timct & Natural iMtitoxu, 



Pi-blished byWHITTAKER and CO. 



Just published, in 8vo. price 8s. fid. 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. EHRENBERGS CLASSIFICATION. 



By ANDREW PR1TCHARD, Esq. / 



Handsomely bound in cloth, 7s. (id. 



C OLOURED IMPRESSIO X s 



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 A HE SUBJOINED, 



MEMOIRS ON THE VERIFICATION OF MICROSCOPIC PHENOMEM v 



AM) AN EXACT METHOD OF APPRECIATING THE 



QUALITY OF MICROSCOPES AND BNGISCOPES. 



By C. R. GORING, Ml) 



The whole illustrated by coloured Plata and Woodcuts, price IBs. 



