45 



617. CHLOEASTKOLITE. Thunder Bay, Lake Superior, 



I* S 5 * * U. S. 



618. MUSCOVITE. N. America. 



& m * * * 



619. Middletown, Conn. 



HL ;^t 



620. Somerville, New York. 



nL 7^ 



621. Canada. 



n & 



622. (jia^l) 



9J 



623. PLUMOUS MUSCOVITE. Mwo^ Maine. 



* * * 



624. LEPIDOLITE. Auburn, Maine. 



625. Trumbull, Conn. 



ft * 



626. CKYOPHYLLITE. Massachusetts. 



627. BIOTITE. Plerrepont, Neiv York. 



628. PHLOGOPITE. Somerville, New York. 



& n * * * 



: " ; 929. Somerville, New York. 







630. MAEGAKITE. Chester, Mass. 



m a s ^ * 



