512 
37 842a—37 855 Petch. 
42a Petch Thomas. The coconut stem disease. exhaustive investigations. 
(Suppi, to Tropic. Agrie, and Magazine, XXXIII, 1909, p. 73—75). 
43 — The bleeding-stem disease of the cocoanut tree in Ceylon (Transact. 
British Mycol. Soc., III, 1909, p. 103—109) fig. 
44 — Miscellanea, chiefly pathological (Trop. Agrie., XXXIII—XXXV, 1909 
bis 1910. — XXXIII, No. 5 a. „Pink disease“ of Hevea, Corticium 
javanicum, b. Aleurodiscus peradeniae. XXXIII, No. 6a. Disease of 
Tornato plants caused by Bacillus solanacearum. b. Root disease of 
Croton and the Tea*plant caused by Poria hypolateritia. c. Ustulina 
zonata, tea root disease, on Grevillea and Albizzia. d. Canker of Hevea. 
XXXIV, No. 1. Discoloration of rubber „biscuits“ by bacteria and yeasts. 
XXXIV, No. 2 a. „Blister blightA of tea, caused by Exobasidium vexans, 
b. Species of coffee more or less resistant to Hemileia vastatrix, c. New 
coffee disease which only affects the beans and not the piant. XXXIV, 
No. 3a. Root stumps as points of origin of piant diseases. b. Tapping 
of Hevea trees. XXXV, No. 3 a. Tea disease, apparently caused by a 
species of Fusarium.) 
45 — A list of the Myzetozoa of Ceylon (Ann. R. Bot. Gard. Peradenyia, IV, 
1910, p. 309-371). 
46 — Revision of Ceylon Fungi. II (Ann. R. Bot. Gard. Peradeniya IV, 1910, 
p. 373—439). 
47 — On Lasiodiplodia (Ann. Roy. Bot. Gard. Peradeniya, IV, 1910, p. 445 
bis 465). 
48 — Thielaviopsis paradoxa (De Seynes) v. Hohnel (Ann. Roy. Bot. Gard. 
Peradeniya, IV, 1910, p. 511—574). 
49 — Die back of Hevea brasiliensis (Circulars and Agricultural Journal of 
the Roy. Bot. Gardens Ceylon, IV, 1910, p. 307—321). 
50 — The root disease of the coconut palm (Fomes lucidus (Leys.) Fr.) 
(Circulars and Agricult. Journal ot the Royal bot. Gardens Ceylon, IV, 
1910, p. 323—336). 
51 — Brown root disease (Hymenochaete noxia Berk.) (Circulars and Agricult. 
Journal of the Roy. Bot. Gard. Ceylon, V, 1910, p. 47—54) tab. 
52 — A root disease of Hevea (Sphaerostilbe repens B. et Br.) (Circulars and 
Agricult. Journal of the Roy. Bot. Gard. Ceylon, V, 1910, p. 65—71) tab. 
53 — Root diseases of Acacia decurrens (Circulars and Agricult. Journal of 
the Roy. Bot. Gard. Ceylon, V, 1910, p. 89—94) tab. 
54 — Root diseases of tea (Cire, and Agrie. Journ. Roy. Bot. Garden Ceylon V, 
1910, p. 95—114). 
55 Cacao and Hevea canker (Cire, and Agrie. Journ. Roy. Bot. Garden 
Ceylon V, 1910, p. 143—180). 
