PLATE 69 



Fig. I. Slenognathiis ringuebergi (Newberry). Slab of shale, 65 by 37 cm., 

 showing the dorsomedian (DM), a postero-ventrolateral plate (F), and portion of 

 the notochord (N) with neural in. a.) and haemal {h. a.) arches. X i- E 

 2595, p. 69. 



Fig. 2. Dinichthys tcniiidens,n.sp. Type. Left mandible, in outer view. Xf 

 E 2596, p^ 55. 



336 



