110 ARCHITECTURE. BOOK I. 



Secondly, in the shape of the roof ; which may be either coni- 

 cal, circular, angular, bulged, or cyma (ogee) like. 



Thirdly, in the terminating point of this roof; which may be 

 either a mere point, a round ball, a cross, an iron rod, or aspire 

 supporting gilded balls or other ornaments. 



Fourthly, as to the projection of this roof over the walls, that 

 may be of different degrees, or may not project at all, as in 

 Herriot's Hospital ; but when it does not project, the parapet 

 should never be finished with battlements, as in Colzean 

 Castle ; it being evident that these can be of no use but when 

 flat roofs are made. Battlements, it is true, are in this age, of 

 no real use anywhere ; but their semblance of it should not be 

 wilfully done away in any case. The masses in this style are 

 generally rather high than broad, and may extend in every di- 

 rection as convenience shall require. The chimnies are some- 

 times totally concealed, and sometimes carried up singly to a 

 considerable height ; frequently two or three of these may be 

 joined together, and then they may be terminated by a pointed 

 top, or small iron spire, as are the towers. The windows are 

 generally narrow, and either square or pointed at top; the 

 general rule ought to be, to finish them in a manner analogous 

 to the roofs of the towers, which would form a number of 



