PL.\TE 27. 



R.\IID.\E. 



F%. 1-2. Stmptkrtgia aci-ta (Page 370). Fig. 3-5. Malacorhtxa jura (Page 372). 



1. I\«s5d \-ie\r of a specimen 131 inches long. M. C. Z. t>32. 



2. VtMitral \-io\r oi the anterior half of disk. 



3. IXvsal \-io\v of a s|xvii«eii 14 J inches long. M. C. Z. 226. 



4. Voniral view of iho antericw pan of disk. 



o. IXvsal ;uid lateral \-ievrs of the produced end of the snout. 



