PLATE V. 



Fig. 1. Empetriclithys merriami Gilbert, sp. nov. Type. 



Ash Meadows, Nevada. 

 Fig. 2. Pharyngeals and gill arches from the side. (4£ times natural size.) 

 Fig. 3. Pharyngeals and gill arches from behind. (44 times natural size.) 

 Fig. 4. Lower pharyngeals from above with adherent ceratobranchials of fourth gill 



arch. (5 J times natural size.) 

 Fig. 5. Same from below. (5J times natural size.) 

 On all the figures — 

 a represents ceratobranchials of fourth gill arch. 

 b represents lower pharyngeal bones. 

 c represents epibranchial of fourth arch. 

 d represents upper pharyngeal bones. 



400 



