ACIPEXSEK ULABER. 



3S5 



together (Fig. 175). At the back of the head, towards the median line, are two 

 small unequal spike-shaped epiotic shields, which have their broad bases joined 

 to the first dorsal shield. A median supra-occipital shield, somewhat Y-shaped, 



Fig. 174. — .WIPENSEIi GL.VBER (mAKSIUVS). 



extends forward from the epiotic shields like an inter-parietal element, and 

 divides the two largest scutes of the head from each other at their posterior end. 

 These large plates are the parietal scutes. They exceed half the length of the 



■^^4^^' 



Fig. 17o. IPl'EK SIKIACE OF HEAD OF 



ACirENSEK GLABEK, SHOWING DERMAL 

 SCUTES. 



. 1/(5. — IT>-nEU SIDE OF HEAD OF ACI- 

 TENSER GLARER, SHOWING MOUTH AND 

 RAKBELS, AND PORES ON THE tNDEK 

 SIDE OF THE ROSTRUM. 



head, and are longer than in any other sjiecies. Flanking them lateral!}', are 

 the similarly long squamosal shields, which are widest in front. Another 

 pair of shields stretches forward from the angle between the pnrietal and 



