VI. 



PUBLICATIONS FOR SALE. 



Vol. XIX. Pt. 1. — The Trinidad Cane Farming Industry; Sugar- 

 Cane Blight in Trinidad ; Froghopper BHght in Trinidad ; Inapleiaaatal 

 Tillage ; J!»Iosaic Disease of Sugar Cane in Trinidad, &c. 



Vol. XIX. Pt. 2. — Report on the Froghopper Blight of Sugar Cane in 

 Trinidad ; Trinidad Seedlings and Tests of Varieties; Cacti of Trinidad; 

 Storing Sweet Potatoes ; Seasoning Standing Timber, &c. 



Vol. XIX. Pt. J.— Sugar Cane Pests and Diseases 1920; Disea-ses of 

 Animals Ordinance; Rotation Scheme for a Small Holding; Cacao 

 Prize Competition 1920-21, &c. 



V')l. XIX. PI. 4. — Plant Protection Legislation in Trinidad; Sugar 

 Cane Experiments 1919-21 ; Cacao Cultivation in Grenada; Importance 

 of the Tuberculin Test; Introduction of the Bread-fruit into the 

 West Indies, &c. 



Vol. ?[X. Pt. i.— Descriptive Nursery Stock List ; Notes on Trinidad 

 and Tobago Timbers ; Agricultm-al Credit Societies (Amending) Ordinance. 

 ■ Dogs Ordinance. 



Our Local Foods : [Their Production and Use, by W. G. Freeman 

 and Pi. O. Williams. — Price 3d. 



The Dashekn : Its Uses and Culture. Illustrated. — Price 3d. 



The Avocado in Trinidad and Tobago. — Illustrated. — Price 3d. 



Insects Akfectinu Vegetables in Trinidad and Tobago, by 

 F. W. Urich. Symptoms of pests. Treatment, Preparation of 

 Insecticides, &c. — Illustrated. — Price 3d. 



Life History and Control of the Cacao Beetle, 3 coloured plates, 

 by P. L. Guppy. — Price 6d. 



Insect Notes for 1910-11. Miscellaneous Notes on Cacao Pests, 

 by F. W. Urich. -Price 3d. 



Notes on some Insects affecting the Coconut Palh, one coloured 

 plate, by F. W. Urich and P. L. Guppy. — Price 3d. 



Rearing of the Vermilion Froghopper Egg Parasite, by 

 F. W. Urich. -Price Id. 



The Sugar Cane Froghopper, six plates (3 coloured), by 

 F. W. Urich.— Price 9d. 



The Froghopper Egg Parasite and its Colonization in Cane 

 Fields, by F. W. Urich.— Price Id. 



The Mongoose in Trinidad and methods of destroying it, 2 plates 

 by F. W. Urich.— Price 3d. 



Control of Cacao Thrips. (Illustrated) by F. W. Urich. — Price 3d.. 



Annual Reports, Department of Agriculture, 1916, 1917 & 1918.— 

 Price Is. 9d. each, 1919-1920, price 2/3. 



Memoir No. 1- Froghopper- '-light of Sugar-Cave in Trinidad by 

 C. B. Williams, M. A., F.E.S.— Price 2/6. 9 plates (2 coloured) and 32 other 

 illustrations. 



Memoir No. 2. — The Butterflies of Trinidad by W. J. Kaye, f.e.s. 

 Price 5s. one coloured plate. 



All publications can be obtained from the Head Office of the Depart- 

 ment, St. Clair Experiment Station, jjost free within the Colony. The 

 Bulletin is also on sale at Messrs. AJuir, Marshall, and Davidson & Todd.. 

 Port-of- Spain. 



