( xxi ) 



be very obvious on the firfl: Perufal, 

 and it is printed in a Duodecimo, to 

 make it more conveniently portable 

 in the Pocket. That it may ftill ap- 

 proach nearer to Perfeftion, the Au- 

 thor has been at the pains of forming 

 a complete Index to it, which muft 

 unqueftionably be of great Ufe, as the 

 Reader will thereby be enabled to 

 find out in the Book any Title he 

 pleafes, and many curious Specimens, 

 of which he may chufe to fee fome 

 fhort Account. Some of the Pur- 

 chafers of the firft Edition complained 

 it was too long to be read in the 

 Time allowed to view the whole 

 Mufeum ) fuch may be anfwered, 

 that it was not intended to be read 

 there ) the grand Difficulty was to 

 keep it in a fmall Compafs, yet make 

 it in fome Meafure fatisfadory. The 



moft 



