110 
Selections. 
[XO. S, XEW SERIES, 
timber is much esteemed for building purposes, and tbe resin x^hich. 
exudes in ccusiderabie quantilj from any wounied part cf the tree 
is sometimes used by tne natives for burning in tlieir houses, being 
first mixed with the husks of paddy. The resin is solulle in spirits 
of wine or turpentine, and makes an excellent Tarnish. 
The tree is called by the Cinghalese ^' Doon" or Doon-gaba; 
angiice, Boon or Doon-tree ; whence our generic name Doona. (The 
genus is nearly allied to Hopeaa. — Ed.) — Kew Misc. rol. IV. p. 1. 
In a subsequent Tolume, the following character of the embryo 
is added : ' 
Embryo Cotyledonibus, foliaceis, valde inequalibus; harum 
maxima inter stratum oleoso-albumenosum contorto-conroluto, in 
germinatione inclusa ; altera brcTissima, in germinatione sspissime 
emergente. 
This shows the genus Docna, Thw. to be rery distinct from 
Sopea, Rox. t., the Cotyledons of which, like those of Vatica, L. 
are subequal, very fieshy, and emergent in germinaticn. 
Seven species of Doona have now been detected in Ceylon. — 
ii^jTiiL 377. 
Observations on Free Labour Cotton of Honduras and Yucatan, tn 
the West Indies, and of Western Africa, and S^atal; also, Rela- 
tive to Ea^t Indian, and Slave Groicn Cotton of the United States, 
hy iiiLES Baxk^s, tale of Honduras. 
Extracted from ihe • Tbaxsactioxs of the Societt of Arts," for ISiT-S. 
My friend Dr. J^mzs Thompsox, having submitted to the Society 
a sample of the common indigenous Cotton of Yucatan, on the 
Gulph of Mexico, and of the fine AngueUa sort from British Hon- 
duras, for the purpose of showing the valuable qualities that might 
be obtained from these quarters by free labour, I was induced to 
present several samples, collected by me in that Settlement ; and, 
at the suggestion of your Committee, the following observations 
are thrown together : — 
The importance of our Cotton Manufactures \ the 5uc:e£sfal 
V 
