XX 



'It? r;i(^ , /// II ■ n?t)>i. 



'lured Cortinanu 

 '. covered with fil 



i" \'ar. Sc >>/;.-. \iu/^ it//;.'-/ s. i. innair; 

 i. Reduce! < tiK'-ihivd. ) 



• when \-«>::n''", ''"lalu'ou.- when null:; 



