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University of California Publications. 



[Geology 



tirely similar to anal, inserted a little in front of the latter, the 

 anterior rays in both elevated, the height of the longest ray three 

 in head, the base of the fin two, three in head. Cauda] nioder- 



Fig. 25. Merriamella donyssa Jordan. Truekee River. Tertiary. Type 

 specimen. 



Fig. 26. Merriamella doryssa Jordan. Truekee River. Tertiary. 



ately forked ; bones slender, mostly very fine. There is no trace 

 of scales in any specimen. 



This species is known to us from four specimens, one and one- 

 half to four inches long, found in the white marl in a cutting for 



