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.mr: 





"4: 



'■i' 



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•JifwKS' iiivP ' ' ?&w " ^ <-^ 





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XV I, 



TESTUDO POLYPHEMUS. SPINAL CORD. 



TRANSVERSE SECTION FROM THE MIDDLE 



OF THE CERVICAL ENLARGEMENT. 



Gelatine Negative No. 64. Miller Bros, i Inch. 



