338 Annals of the Carnegie Museum. 



Explanation of Plate LV. 



Upper Figure: Platyberyx opalescens Zugmayer. Reproduced from Result. 

 Campagnes Scient. Albert I, Prince de Monaco, Fasc. XXXV, PL V, Fig. 5. (Re- 

 duced.) 



Lower Figure: Pteraclis velifera (Pallas) . After Bonnaterre, Encyc. Methodique, 

 a copy of the figure given by Pallas, Spicil., viii, p. 19, PI. 3, fig. 7. (Reduced.) 



