REPORT OF SOCIETY’S MEETINGS, 197 
new samples of timbers, without sap-wood, should be sent 
to the Imperial Institute for testing, the annexed Govern- 
ment communications were read as well as the following 
letter from Mr. Ed. Seon :— 
Government Secretary’s Office, 
Georgetown, Demerara, 
20th April, 1897. 
Sir,—I have the honour by dire&tion of the Governor to forward 
herewith for the information of the Royal Agricultural and Commercial 
Society two reports by Professor Unwin on the scientific examination of 
certain timbers received from British Guiana. 
2. I am to request you to be so good as to return these documents 
when perused. 
I have, &c., 
CAVENDISH BOYLE. 
~ The Hon. Secretary, 
Royal Agricultural and Commercial Society. 
SCIENTIFIC AND TECHNICAL DEPARTMENT OF THE IMPERIAL INSTITUTE. 
REPORT ON TIMBERS FROM BRITISH GUIANA, 
(By Professor W. C. Unwin, F.R.S., Scientific Referee to the Imperial 
Institute.) 
Ten planks of different timbers were received, through the Imperial 
Institute, in November, 1896, and four of these have been subje&ed to 
tests ; the report upon the other six will follow shortly. 
No. 70. GREENHEART. WNectandra Rodigi.—The plank had a bad 
shake extending the whole length of the plank near the heart. The 
timber was imperfectly seasoned. 
No, 71. Souari. Cazyocar tomentosum.—The timber had large knots 
nearly in the centre, and was very wet. . 
No. 72. LignotT Brown CirouBatLi., Nectandva sp.—There were 
shakes near the heart, extending the whole length of the plank, 
No, 74. KABUCALLI. Goupia tomentosa.—A sound plank, but ex- 
tremely wet. This timber had a strong and pungent odour, 
