JACANA. 183 
with brownish black and purplish gray. Hab. Pacific coast of North 
America, from Lower California north to the Aleutian Islands and 
across to the Kurils.... 287. H. bachmani Avp. Black Oyster-catcher. 
b. Length 18.00-20.00, wing 10.25-10.80, culmen 2.82-3.00, greatest depth of 
bill anterior to nostril .60, tarsus 2.10-2.20, middle toe 1.70-1.75. Had. 
Coast of Chili. 
H. ater VIEILL. Chilian Black Oyster-catcher.! 
Famity JACANIDAZ.—TueE Jacanas. (Page 143.) 
Genera. 
(Characters same as those given for the Family)....... Jacana. (Page 183.) 
Genus JACANA Brisson. (Page 183, pl. LVL, fig. 6.) 
Species. 
Adult: Head, neck, chest, and upper back uniform greenish black; quills and 
secondaries pale yellowish green, bordered at tips with dusky; rest of plumage 
uniform rich purplish chestnut. Young: Top of head grayish brown, bordered 
along each side by a broad superciliary stripe of buffy white; a dusky streak be- 
hind eye extending to hind-neck, which is also dusky or dull brownish ; rest of 
head and neck, with whole lower parts, except sides, buffy white; upper parts 
grayish brown, the feathers more or less distinctly tipped with rusty buff (obsolete 
in older specimens), the quills pale greenish, as in adult. Length about 8.50, wing 
4.50-5.40, culmen 1.15—1.40, tarsus 1.90-2.35, middle toe 1.85-2.25. Eggs 1.22 x .94, 
olive-tawny or tawny olive, marked all over with confused “ pen-lines” of black, and 
occasional “blots” of same. Hab. Whole of Middle America, from northern Mexico 
(including the lower Rio Grande Valley in Texas) to Colombia; Cuba; Haiti. 
288. J. spinosa (Liny.). Mexican Jacana. 
1 Hematopus ater VIEILL., Gal. Ois. ii, 1825, 88, pl. 220. 
