Mr. P. H. Gosse on two new Birds from Jamaica. 257 



receptacles, very bushy in appearance. My specimens are not 

 more than 14 inches long, but evidently indicate a plant 2 or 

 3 feet in length. 



EXPLANATION OF PLATE X. 



Sargassum squarrosum. 

 Fig, 1. A branch. 



— 2. Leaves. 



— 3. Vesicles. 



— 4. Receptacles. The last magnified. 



Sargassum dwaricatum. 

 Fig. 1. One of the ramuli. 



— 2. Vesicles. 



— :?. Do. 



— 4. Receptacles. 3 & 4 magnified. 



Sargassum acutifolium. 

 Fig. 1. A small branch. 

 : — 2. Do. from a young plant. 



— 3. Vesicles. 



— 4. Do. produced at the end of leaves. 



— .5. A raceme. 



— 6. A single receptacle. 5 & G magnified. 



XXX. — Descriptions of two new Birds from Jamaica. 

 By Philip Henry Gosse. 



The former of the two species which I am about to describe was 

 accidentally overlooked in writing my ' Birds of Jamaica/ and the 

 latter has been discovered since the publication of that work. 



Elania cotta. Length 54 inches, expanse of wing ^-{'q, flexure 

 2y^o, rictus 1^, tarsus y^^, middle toe y^^. Irides dark hazel ; feet 

 dark slate-gray; beak black. Head blackish ash; crown bril- 

 liant yellow, commonly concealed; back and rump olive; tail 

 blackish with olive edges ; wing black ; the primaries edged 

 faintly, the secondaries, tertiaries and greater coverts conspicu- 

 ously, with pale yellow; third quill longest. A white stripe, 

 ill-defined, over the eye, meeting on the forehead ; ear-coverts 

 white, with dark tips ; . chin, cheeks, throat, and breast white, 

 speckled obscurely with black beneath the eyes ; belly, vent, 

 under tail-coverts, and inner surface of wings, delicate pale 

 yellow. 



This little Tyrant, for want of any obvious peculiarities to di- 

 stinguish it from others of its genus, I have named from the 

 locality where I first met with it, the Cotta-wood, a tangled cop- 

 pice on Grand Vale Mountain, in the parish of St. Elizabeth. I 

 afterwards observed it in other situations, as in the woods around 

 Bluefields, but it does not appear to be anywhere common : nor 

 am I able to say whether it is a permanent resident, or merely a 



Jnn.^Maff.N.Hist. Ser.2. VoLiii. 17 



