21 
Measurements. M. 
Width of skull at canthus oris........... a sie saa sarees vee 145 
Length of inferior canine tooth..........00- eee ese ee eee .006 
Width between bases of pectorals...........-.0000e eee 092 
Length of basal axis of pectoral..... ibe te id a'e's ics eecteee 060 
" oi es “ ventral...... ipereNae: visa HIS aes 085 
Width between bases of ventrals........-...eee see eeee 033 
Diameters of exposed parts of an abdom- { fore and aft.. .012 
inal scale longitudinal.. .015 
The Megalichthys hibberti Ag., which this species resembles in some de- 
gree, is represented by authors as having the scales minutely granulated 
on the surface. The ganoine layer also covers the superior surface of the 
skull, a peculiarity which is not present in the Hetosteorhachis nitidus. 
