382 Sixteenth Supplement to the A. O. U. Check-List. [july 



Range. — Lower California, southern Arizona, southwestern New 

 Mexico and southern Texas, south to Costa Rica. Casual in south- 

 eastern California and Colorado; accidental in Washington. 



p. 173. Otus asio cineraceus is restricted to the Upper Sonoran 

 and Lower Transition zones of the area now given as its range, 

 while another form from the lower ground is added as 



j. Otus asio gilmani Swarth. Sahuara Screech Owl. [373t.] 



Otus asio gilmani Swarth, Univ. Calif. Pub. ZooL, Vll, No. 1, May 26, 

 1910, 1. (Blackwater, Pinal Co, Arizona.) 



Range. — Lower Sonoran life zone of southeastern California, Arizona, 

 and probably New Mexico; and northwestern Mexico. 



p. 178. Glaucidium gnoma glioma is found to be entirely extra- 

 limital and the form occurring in the United States will be 

 known as 



a. Glaucidium gnoma pinicola Nelson. Rocky Mountain Pygmy 

 Owl. [379.] 

 Glaucidium gnoma pinicola Nelson, Proc. Biol. Soc. Wash., XXllI, 

 June 24, 1910, 103. (Alma, New Mexico.) 



Range. — Mountains of northern Colorado, Arizona, and New Mexico, 

 including the Sierra Madre of northern Mexico. 



p. 183. Ceryle alcyon is subdivided and the following is to be 

 inserted after the range of the species: 



a. Ceryle alcyon alcyon (Linnaeus). [390.] 



Alcedo alcyon Linn^us, Syst. Nat., ed. 10, 1, 1758, 115 (North 

 America) . 



Range. — As now given for the species but excluding the northwest 

 coast. 



b. Ceryle alcyon caurina Grinnell. Northwestern Belted King- 



fisher. [390a.] 

 Ceryle alcyon caurina Grinnell, Univ. Calif. Pub., ZooL, V, No. 12, 

 March 5, 1910, 388. (Graveyard Point, Montague Island, Prince 

 William Sound, Alaska.) 



Range. — Northwestern coast district. 



