]896.] 



rnOM THE UPPBE. SHlHfi IIIVEH.. 



rig. 2. 



917 



Oreochromis shiranus. 



DociMODUS, g. n. 



Allied to Chromis, but both jaws with a very broad baud of 

 teeth with compressed sharp-edged crowns ; the outer teoth large, 

 with uail-sbaped entire crowns or with a very small lateral cusp,' 

 the others small and tricuspid. 



DociMODUS JOHNSTONI, sp. n. (Fig. 3, p. 918.) 

 4 or 5 rows of teeth in each jaw ; 10 or 11 teeth on each side 

 of the outer series of the upper jaw ; crowns brown-edged. Depth 

 of body 2| to 3 times iu total length, length of head 3 times. 

 Eye a little nearer the gill-opening than the tip of the snout, its 

 diameter 4| times in length of head, 1^ times in interorbital 

 width, and equal to praeorbital ; maxillary not extending to below 



