134 E. Ph. Allis, Pseudobranchial and Carotid Arteries in Fishes. 



The parts cross-lined in black represput the approximate positions of 

 the gills, the pseudobranch and the choroid gland. The parts cross-lined 

 in red represent portions of the arteries that lie either in the central 

 cerebral cavity, in the myodome, or in the trigemino-facialis chamber. 



