TraiistifHoiif S'oi 



1 Na-ivl Archilrrii aiib' if-rriiic liii'jiiifirs. l-'oi .y, /y/p. 



To illustrate faf'cr uii "Hcoitoiiiical Cavi 

 hy -Ufn;! J i" Knhertsoii, I^sii.. Mciiil 



I Shifx. 



