202 TIMEHRI. 
GREENHEART.. Nectandra Rodizi.—The sample submitted was straight 
grained and sound, but much softer than the greenheart hitherto used in 
this country, and not so durable. Hence it is not so well suited for dock 
gates, for which purpose greenheart is chiefly used. 
Souari. Caryocar tomentosum.—This might serve for some des- 
criptions of heavy timber constructions of temporary charaéter, but as 
the sample submitted already showed signs of decay, it would probably 
be too perishable for permanent structures. 
Light Brown CiROuBALLI. Nectandra sp.—A very poor wood in- 
deed, the sample submitted being already rctten. 
KaBUCALLI. Goupia tomentosa.—A coarse timber, emitting an ex- 
tremely disagreeable smell when being worked. The sample was very 
cross grained, but as it is a tough wood and does not show signs of 
decay, it should be suitable for sleepers, fencing posts, and similar out- 
side work. 
Mora. Mora excelsa.—A good, sound, serviceable wood, suitable for 
railway carriage and wagon work and heavy construétions, for inside 
joiners’ work and the cheaper descriptions of furniture. 
Locust woop, Hymenea Courbaril.—A mild, sound, straight grained 
wood, suitable for furniture, inside joiners’ work, and numerous other 
purposes, 
SimaRuPA. Simaruba offcinalis—A very poor timber, somewhat 
resembling poplar. The sample submitted, although not sufficiently 
seasoned to be fit for use, already showed undoubted signs of decay, and 
cannot therefore be recommended for structural work. 
Hackia. Jxora ferrea.—A good, sound. straight grained timber 
suitable for railway carriage and wagon work, or for heavy construc- 
tions. It might also be used for cogs and shafts, or for sleepers. 
CraBwoop, Carapa Guianensis.—Resembles cedar, and would be 
useful for inside joinery and for the cheaper descriptions of furniture. 
EurIBALLI.—Something like a very inferior mahogany. The sample 
submitted, although still far too green to use, shows signs of decay, It 
might be used for cheap furniture and inside joinery. 
REPORT ON TIMBERS FROM BRITISH GUIANA, 
(By Professor W. C, Unwin, F.R.S., Member of the Committee of Advice of 
the Scientific and Technical Department.) 
The following results complete the series of mechanical tests carried 
out with logs of timber received from British Guiana ;— 
