Beneath entirely white, only faintly, or hardly appreciably, tinged with sulphur-yellow on the flanks.
Inner web of rectrices broadly edged with rufous for the whole length. Crown scarcely darker than the back. Tail distinctly emarginated. Wing, 3.15-3.50; tail, 3.30-3.60; culmen, .85-.95; tarsus, .80-85. (Bahaman specimens the larger). Hab. Bahamas and Cuba … var. phœbe.[71]
Inner web of rectrices not edged with rufous except at extreme tip, where sometimes also absent. Crown decidedly darker than the back. Tail slightly rounded. Wing, 3.25-3.50; tail, 3.20-3.60; culmen, .85-95; tarsus, .85-90. Hab. Porto Rico … var. antillarum.[72]
Beneath white only on throat and jugulum, the abdomen, etc., being sulphur-yellow.
Inner webs of rectrices more or less distinctly edged with rufous for whole length. Pileum very much darker than the back. Wing, 3.35-3.50; tail, 3.35-3.65; culmen, .90-.95; tarsus, .80-.85. Tail faintly doubly-rounded. Hab. Hayti, Jamaica, (and Yucatan?) … var. stolidus.[73]
B. Bill much depressed, its depth only about half its width, in the middle portion; lateral outlines widely divergent basally; terminal hook weak. (Myiarchus.)
5. M. tristis. Colors very variable, and amount of rufous exceedingly different in the different races. Inner webs of rectrices seldom edged with rufous; rufous sometimes entirely absent on both wings and tail, and sometimes the whole wing and both webs of rectrices distinctly edged with it. Above ashy-olive, usually with more or less of a greenish cast, the pileum
decidedly darker (except in var. lawrencei); throat and jugulum ashy-white; rest of lower parts sulphur-yellow. Hab. Central and South America, and Jamaica.
Pileum sooty-brown, decidedly darker than the back; wings and tail entirely destitute of rufous edgings, except a faint tinge on outer webs of inner secondaries and rectrices, towards the base. Tail faintly rounded. Wing, 3.00; tail, 3.10; culmen, .80; tarsus, .65. Hab. Jamaica … var. tristis.[74]
Pileum grayish-brown, not appreciably darker than the back; outer webs of inner secondaries and primaries and rectrices faintly edged with rufous. Wing, 2.80-3.40; tail, 2,85-3.45; culmen, .85-.90; tarsus, .75-.80. Hab. Northern Mexico, from northern boundary, south to Colima, Tehuantepec, Yucatan, and Salvador … var. lawrencei.[75]