DESCEIPTION OF PLATE XXIX. 



Crooodilus crassidens, Crocodilus Leptodus, and 

 Leptorhtnchus Gangetictjs. 



The figures in this Plate have been drawn by Mr. Dinkel 

 from the original specimens in the British Museum, which 

 have been identified with outline tracings named bj Dr. 

 Falconer. 



Fig. 1. Profile view of skull and lower jaw of Crocodilus crassidens, 

 an extinct species found in the Sewalik Hills. The specimen 

 bears the number 39,802 in the British Museum Catalogue, 

 and is drawn one-sixth of the natiu-al size. (See pages 297 

 & 355.) 



Fig. 2. Is another specimen of a fragment of cranium of the same 

 species (C. crassidens)^ showing the palate surface and teeth. 

 It is numbered 39,803 in the British Museum Catalogue, and is 

 dra'wn one-sixth of the natural size. 



Fig. 3. Shows a portion of the cranium, the palate, and teeth of the 

 elongated muzzle of Crocodilus Leptodus, an extinct species 

 found in the Sewalik Hills. The figure is drawn one-sixth 

 of the natural size, and the specimen is numbered 39,805 in the 

 British Museum Catalogue. (See page 355.) 



Fig. 4. Another fragment of muzzle of Croc. Leptodus, drawn one- 

 fourth of the natural size. (Brit. Mas. Cat. No. 39,806.) 



Fig. 5. Very perfect specimen of anterior portion of muzzle of Leptor- 

 hynchus Gangelicus, an existing species (the Gavial) found fossil 

 in the Sewalik Hills. The specimen has been drawn one-fourth 

 of the natural size, and is numbered 39,811a in the British 

 Museum. The artist has represented the under surface of the 

 muzzle instead of the upper. The latter shows weU the cha- 

 racteristic external nasal aperture. The corresponding specimen 

 described in Capt. Cautley's memoir is numbered 39,811. (See 

 page 353.) 



VOL. I. 



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