CONTENTS. : vil 
CHAP. IV. 
On Theories in general; and on the Modes and Consider- 
ations by which they are to be verified - Page 201 
CHAP. V. 
On the Characters of Natural Groups - - 236 
"CHAP, -VI- 
On the Importance of Analogy when applied to the Confirm- 
ation of Theory - - - - - 282 

PARTE. TY: 
ON THE PRESENT STATE OF ZOOLOGICAL SCIENCE IN BRITAIN, 
AND ON THE MEANS BEST CALCULATED FOR ITS ENCOURAGE- 
MENT AND EXTENSION. / 
CHAD. Ak 
Introductory Remarks. —— Some Account of the Nature and 
present State of our Scientific Societies and Institutions, 
and of the Means they possess of encouraging Science. — 
National Encouragement = = i «* D86R 
CHAP. II. 
On the National Patronage of Science in other Countries, 
as compared to its Neglect by the British Government. — 
The Causes which produce this Neglect, and the Expediency 
of removing them - - 339 
