310 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. IX. 



i, 1890) says, "They breed about some of the larger isolated lakes 

 in the northern and central part of the state." 



32a. Phalacrocorax auritus floridanus (Auo.). 

 FLORIDA CORMORANT. 



Phalacrocorax dilophus ftoridanus (Aud.), A. O. U. Check List, 

 1895, p. 42. 



Distr.: South Atlantic and Gulf states, northward along the 

 Mississippi Valley to southern Illinois. 



The Florida Cormorant is merely a rather small, southern form of 

 the preceding species; the plumage is similar. 



Length, less than 30 inches; tarsus, 2 inches or less. 



"In summer, north to Illinois, sometimes winters in southern Illi- 

 nois." (Cooke.) "Common in early spring on the Wabash River 

 as far north as Mt. Carmel." (Ridgway, Orn. of 111., 1895, p. 205.) 

 " A regular summer resident in southern Illinois, occasionally straying 

 to the northern part of the state." (Nelson, Birds N. E. 111., 1876, 

 p. 145.) It has not been observed in Wisconsin. 



Double-crested Cormorant. 



Mexican Cormorant. 



