CASE— AMPHIBIA AND PISCES 



Caiops aspidcp/ioiiis. Xo. 647 L^niv. of Cliica.no. X %. 



1. Pectoral giitlle, upper surface. 4. The same, anterioi- view. 



2. Left liumerus, inner side. 5. The same, ])i)steri<ir view. 



3. The same, outer side. All li^iiics after WillistDn. 



