ORTALIS. 283 
plantations and open places in the forest. ‘They do not appear to be very shy birds, 
for Mr. Richmond? says that he fired more than a dozen times into a tree where a flock 
was feeding without causing them to take flight. Their loud harsh cry, heard most 
frequently about dusk, is much like that of O. vetwla, and the name “ Chachalaca” is 
applied to both species. 
6. Ortalis struthopus. 
Ortalis struthopus, Bangs, Pr. N. Engl. Zool. Club, ii. p. 61’. 
Ortalis cinereiceps (nec Gray), Bangs, Auk, 1901, p. 25*; Grant, Ibis, 1902, p. 245 *. 
O. cinereicipiti similis, sed, ut videtur, minor: subtus pallidior; torque collari olivaceo angustiore, rostro 
tenuiore, tarso digitisque brevioribus distinguenda. (Descr. ex scriptis Outram Bangs, J. c.) 
Hab. Panama, San Miguel I. and Pedro Gonzales I., both in the Pearl Is. (Brown *?). 
The Ortalis of the Pearl Islands has been separated by Mr. Outram Bangs from the 
mainland species, O. cinereiceps, not only because of slight differences in plumage, 
but principally on account of the exceedingly small foot and tarsus. 
We have no specimens of 0. struthopus before us, and are therefore unable to 
determine the status of the species, but it is possibly one of those slightly different 
insular forms which often occur. 
Suborder ALECTOROPODES. 
The Turkeys, Partridges, and Quails, which are included in this group, are distin- 
suished by having the hallux or hind toe raised above the level of the fore toes, with 
its basal phalanx much shorter than that of the third toe. The inner notch of the 
sternum extends more than half the length of the entire breast-bone. 
The White-tailed Ptarmigan, Lagopus leucurus, has been recorded by Sumichrast 
[‘ La Naturaleza,’ v. p. 231 (1881)] from Mexico, on the authority of an example seen 
by him in 1854 in the National Museum of Mexico, and said to have been obtained on 
Popocatepetl. Sefior F. Ferrari-Perez informs us, however, that there is no such 
specimen in the Museum at the present time, nor can he trace it in any of their 
Catalogues. We therefore hesitate to include the species in our enumeration of the 
Central-American fauna; it inhabits the alpine summits of the mountains of North 
America, ranging from Liard River to New Mexico. 
Fam. MELEAGRIDA. 
The Turkeys are exclusively a New World family, confined to Northern and Central 
America. They are included by Mr. Ogilvie Grant and some other recent authors in 
the Phasianide, but it seems to us more natural to treat them as a separate section of 
36* 
