E III 



Oiil-;j the bhuk cross of 

 iiscovite Hcalea iuolosiug 

 7. Natural iiirlit, ^Se<.- p. 209.) 

 'ite-grauit«. Brimfield. X20. Drawn with irrossed 



a. x2o. Naturallight. (Seep. 342.) 

 iioiii the nnpor surface of the Holyoke 

 11 Htcani holes lan be seen 

 ivinfiltrated 

 lied btiitu ilUed by in ljJ,«r!rt7ou ran b(y^e?>«4p the 

 le p. 456.) 



