78 BIBLIOGRAPHICAL CATALOGUE OF 



With a Philosopliical Querie concerning the Cause 

 of Fruitfulness. And an Essay to shew How all 

 Lands may be improved in a New Way, to 

 become the ground of the increase of Trading 

 and Eevenue to this Common-wealth. — London, 

 Printed for Richard Wodenothe in Leaden-hall- 

 street. 1653. 

 It opens with a preface of three pages addressed to the 

 '' Christian Eeader/' by Samuel Hartlib, who says : 

 ^' That which is the concernment of all, ought to be the 

 care of all; but no man can make this to be so; 

 except the spirits of men be raised to a pitch answer- 

 able to the worth of things offered unto them. For as 

 Seneca saith, Magnoanimode rebus magnisjudicandum 

 est ; alias illarum vitium esse videbitur quod nostrum 

 est." And further, " I have in my station bin faithful 

 to offer objects of this and some other kinde unto the 

 Publike, to provoke every one to minde the best things 

 for their owne and the Publike Good ; and although 

 in this endeavour, wherein for many years I have 

 continued in the midst of some difficulties, and all our 

 Changes, and have spent myself thereupon as upon a 

 necessary duty ; yet I have found no great Encourage- 

 ment thereunto from abroad, more then what mine 

 own resolution (to persevere faithful unto the end in 

 well doing) did suggest unto me ; nevertheless I hope 

 I shall not faint." And again, ''I will very gladly 

 spend and be spent for the good of others, although 



