98 TRANSACTIONS OF THE AMERICAN PHILOSOPHICAL SOCIETY 



higher teleosts, the ascending process is plainly present but short and wide, while the eth- 

 moid is undivided. In brief, the ascending processes of the premaxillae seem to have been 

 developed pari passu with the rostral cartilage and with the ability to protrude the upper 

 lip, and I can find no real evidence that they represent secondarily detached portions of the 

 ethmoid complex. 



