A 

 MANUAL 



OF THE 



O S S E 



OF 



W E S T E R N 



P E X X S Y L V A IV I A 



OTTO K. JEXXIXGS, PH. D. 



WITH FIFTY-FO17R FL'LL-PAOE PLATES FROM 



VINGS BY THE AT7THOR. 



i ; I TTSliT " UC ; 1 1. P1CN NS V J.VANI A , 



Pi itr.i-Hi:i> HV THI-: AI-THOK, l)i:{. 



TiSK <TL*V MISKION 1'1'IJI-ISIllNt; C :iMt'\N\ 



; ^K <\)I.I.INS AVI-:M - I-:. KAST >-'.NI> 

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