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PLATE X. 



Fig. 1. Elonichthys ellsi, Lambe, type, and only known specimen, obtained by R. W. Ells 

 at the Albert mines in 1876; from a photograph. One and one-half times the natural 

 size. Page 29. 



Fig. 2. Elonichthys ellsi, anterior flank scales; eight times the natural size. 



Fig. 3. Elonichthys ellsi, posterior flank scales, from slightly above the mid-height of the 

 body in line with the back part of the dorsal fin; similarly enlarged. 



Fig. 4. Elonichthys ellsi, the second (part of) and third dorsal ridge scales from behind the 

 dorsal fin; similarly enlarged. 



Fig. 5. Elonichthys ellsi, the seventh, eighth, and ninth dorsal ridge scales, from behind 

 the dorsal fin, viewed from the side. The fifth of these scales is the first of the 

 series on the body prolongation of the caudal fin. Six times the natural size. 



Fig. 6. Elonichthys ellsi, fin rays from the anterior part of the dorsal fin near its base; six 

 times the natural size. ' 



