Jour. Sc. Coll Vol XIV. PI X/XII 

 Ohsor\'aiions of IBBoiXorthPai^fyn 



rs- -f' 



eo 



59' ^° 



aft' 



25' 5° 



26' 5° 



iO' 

 39' 4° 



8 10 12 



IG 13 20 22 Si 



