LIST OF ILLUSTRATIONS xi 



FIG. PAGb: 



38. Front view of single-seated sanitary privy (Re- 



drawn from Stiles) 299 



39. Rear view of single-seated sanitary privy (Re- 



drawn from Stiles) 301 



40. The Lumsden, Roberts and Stiles apparatus for 



the safe disposal of night-soil (Redrawn from 

 Lumsden, Roberts and Stiles) . . . . 307 



