382 Sixteenth Supplement to the A. O. U. Check-List. a 
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 Swarrn. Sahuara Screech Owl. [373i.] 
Otus asio gilmani Swart, Univ. Calif. Pub. Zool., VII, No. 1, May 26, 
1910, 1. (Blackwater, Pinal Co, Arizona.) 
RancGE.— Lower Sonoran life zone of southeastern California, Arizona, 
and probably New Mexico; and northwestern Mexico. 
p. 178. Glaucidium gnoma gnoma is found to be entirely extra- 
limital and the form occurring in the United States will be 
known as 
a. Glaucidium gnoma pinicola Netson. Rocky Mountain Pygmy 
Owl. [879.] 
Glaucidium gnoma pinicola Neuson, Proc. Biol. Soc. Wash., XXIII, 
June 24, 1910, 103. (Alma, New Mexico.) 
RanaE. — 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 (Linnamus). [390] 
Alcedo alcyon Linnzus, Syst. Nat., ed. 10, I, 1758, 115 (North 
America). 
Rance.— As now given for the species but excluding the northwest 
coast. 
b. Ceryle alcyon caurina GrINNELL. Northwestern Belted King- 
fisher. [890a.] 
Ceryle alcyon caurina GRINNELL, Univ. Calif. Pub., Zool., V, No. 12, 
March 5, 1910, 388. (Graveyard Point, Montague Island, Prince 
William Sound, Alaska.) 
Ranea@e.— Northwestern coast district. 
