EXPLANATION OF PLATE XXXIV. 
Upper figure. Right side of skull and lower jaws of Thinohyus siouxensis. (Type) No. 
- 1423, Carnegie Museum Catalogue of Vertebrate Fossils. 
Lower figure. Superior view of the mandible Thinohyus siouwensis. (Type) No. 1423. 
Figures 3 natural size. 
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