98 FIELD MUSEUM OF NATURAL HISTORY ORNITHOLOGY, VOL. I. 



type region, northwestern Nicaragua, the differences above outlined 

 are readily made out. This new form will undoubtedly be found to 

 intergrade with cyanura. Seven specimens were collected, five coming 

 from Mazatenango and two from Patulul. 



March is the month in which this hummingbird usually finishes 

 its moult of remiges, as specimens taken in this month have imperfect 

 wings, while most of those taken in April have them complete and 

 unabraded. 



110. Saucerottea devillii (Bonder}. 



Three male specimens were taken, two at Patulul, and one at Lake 

 Amatitlan. This last specimen, taken February 25th, has copper* 

 bronze rectrices, while those taken at Patulul have these feathers 

 bronze-purple. Other specimens in this Museum show a similar 

 variation in color. Iris dark brown; maxilla and tip of mandible 

 black; mandible, except tip, flesh color; feet black. 



111. Amazilis tzactl (De la Lave}. 



This species was found only at Los Amates, where three males were 

 secured. Iris dark brown; bill reddish with black tip; feet black. 

 An immature specimen had the entire maxilla black. 



112. Amazilis cinnamomeus (Lesson). 



One specimen was taken at Gualan and two at El Rancho. Appar- 

 ently they occupy the dry belt between the swamps of the Atlantic 

 slope and the Cordillera. Iris dark brown ; bill red except black tip ; 

 feet dark. 



113. Amazilis cinnamomeus saturatus (Nelson). 



This form occupies the Pacific slope from the coast up to, at least, 

 2,000 ft. Three were taken at San Jose, one at Patulul, and three at 

 Mazatenango. Iris dark brown; maxilla red with black tip ; mandi- 

 ble pale with black tip. 



114. Hylocharis leucotis (Vieillot). 



Two females were taken near Lake Atitlan, at 5,000 feet, and 

 another above Tecpam, at 9,500 feet. In the latter locality they were 

 found in little openings where lumber had been taken out of the cypress 

 forests, while at Lake Atitlan they frequented weedy pastures. Iris 

 dark brown. 



