340 Annals of the Carnegie Museum. 



Explanation of Plate LVII. 



Upper Figure: Pterycombus brama Fries. Reproduced from Proc. Biol. Soc. 

 Washington, Vol. XXV. PI. II. (Reduced.) 



Lower Figure: Pteraclis trichipterus Cuv. & Val. After figure in Cuvier's Animal 

 Kingdom (translated by Griffith), Vol. X, 1834, PI. 32, fig. 2. (Reduced.) 



i 



1 



