46 PEOFESSOE OWEN ON INDIAN CETACEA. 



DESCRIPTION OF THE PLATES. 



PLATE HI. 



Belphinus (Stem) gadamu : diminished to scale. 

 Fig. 1. Side view. 

 Fig. 2. Upper view : b blow-hole. 



PLATE IV. 



Belphinws gadamu. 

 Fig. 1. Side view of skuU (wanting back part of cranium). 

 Fig. 2. Side view of mandible. 

 Fig. 3. Upper view of mandible : ss symphysis. 

 Fig. 4. Symphysial end, inner view of mandible. 

 Fig. 5. Bony palate. 



All the figures are nearly half the natural size. 



PLATE V. 



Fig. 1. DeljyMmis fusiformis, side view (diminished to scale). 

 Fig. 2. Delphinus lentiginosus, side view (id.). 

 Fig. 3. The same, upper view. 



PLATE VI. 



Fig. 1. Belphimts maculiventer (to scale of Plate V.). 

 Fig. 2. The same, upper view. 

 Fig. 3. Delphinus pomeegra (id.). 



PLATE VII. 



Delphinus fusiformis. 

 Fig. 1. Side view of cranium and upper jaw. 

 Fig. 2. Side view of lower jaw. 

 Fig. 3. Upper view of cranium and upper jaw. 

 Fig. 4. Under view of ditto. 

 Fig. 5. Upper view of symphysis of lower jaw. 



All the figures are nearly half the natural size. 



PLATE VIII. 



Fig. 1. Side view of cranium and upper jaw of Delphinus pomeegra. 

 Fig. 2. Under view of upper jaw of ditto. 

 Fig. 3. Side view of under jaw of ditto. 



