. iM^ 



i?- 



. ";'.'*';i»;-*"-7*.'.'>»<'.. 





XVIII. 



TESTUDO POLYPHEMUS. SPINAL CORD. 



TRANSVERSE SECTION FROM THE MIDDLE 



OF THE CERVICAL ENLARGEMENT. 



Gelatine Negative No. 6j. Miller Bros. 1-2 Inch. 



