1867.] PROF. HUXLEY ON THE CI.ASSIFICATTON OF BIRDS. 439 



and curvature as in the Lamellirostral birds ; in Platalea and Ibis, 

 while still recurved, it is much shorter and more Plover-like. 



The CiconiidcE and Ardeidce have the maxillo-palatines disposed 

 as in the foregoing group. There are no basipterygoids ; the angle 

 of the jaw is not prolonged and bent upwards ; and the palatine bones 

 are united for a considerable distance behind the posterior nares 

 (fig. 19). 



Fig. 21. 



Under and side views of the skull of Phalacrocorax carhu. 

 The letters as before, a. Tlie palatine crest. 



