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TRANSACTIONS OF THE AMERICAN PHILOSOPHICAL SOCIETY 



important skull characters noted by Ridewood (1904^, pp. 488-493). It is more primitive 

 than the Clupeidse in retaining roofed posterior temporal fossae, a well marked lateral 

 temporal groove and many other features. Smith Woodward included Chanos in the 



soc 



ep,i'ot 



pareth 



S. irrideus 



Salmo sp. 



Fig. 45. Salmo sp. Side view. 



family Albulidae, but Ridewood was not able to confirm this allocation and states that the 

 evidence of the skull favors the view of separating the genus from the Clupeidae and of 

 according it a family rank. He notes, however, that it shares a number of points in 



pmx 



.mesocor 



Meckel's carHlage 

 ossified 



Fig. 46. Salmo sp. Medial aspect of right half of slcull, with sagittal section of front part of braincase. 



