path, for convenience of patrol; the remainder (22 chains; a path connecting 
the new jungle pool to the North View Path. All paths were given name 
plates, and maps of the Reserve were placed in all the eight shelters- 
Clearings round the shelters were planted with grass, and some additional 
trees planted also. 
The Berok collecting-monkeys were exercised daily, in the Bukit Timah 
Reserve, and most of the specimens were obtained by their use. Mr. Corner 
purchased one further monkey after his return from leave. A full account 
of the use of the Berok monkeys for collecting specimens from trees was 
given in the Annual Report for 1937 - 
HERBARIUM WORK AND OTHER INVESTIGATIONS 
Mr, Henderson and Mr. Furtado continued their usual work in the 
herbarium. The number of duplicate specimens sent out to other in¬ 
stitutions (statement below) was less than usual; a numbei inore were leady 
but not despatched on account of the outbreak of war. The numbei of 
specimens mounted and laid into the herbarium during the veai was 8,348. 
Mr. Henderson continued his work on the genus Eugenia, and had on 
loan much valuable material from the herbaria at Calcutta and Buitenzoig, 
to the Directors of these institutions we express our thanks for this 
assistance. Mr. Henderson also completed and published an illustrated 
account of his observations of the Limestone Flora of Malaya, in the 
Journal of the Malayan Branch, Royal Asiatic Society. 
Mr. C. X. Furtado completed his account of the Malayan species of 
Homolomena, an interesting group of Aroids the nomenclature of which was 
much confused owing to lack of familiarity of previous authois mth the 
variability of plants in the field. He also prepared a short paper on the 
variability of these plants and its relation to environmental conditions, 
for the 6th Pan-Pacific Science Congress (held at Berkeley, California). 
Mr. Furtado continued his study of the problems of the rules of nomen¬ 
clature and prepared a series of recommendations to be considered by the 
next International Botanical Congress. 
Mr E J H. Corner completed the manuscript of his book on “The 
Wayside Trees of Malaya”, and printing was begun during the year. This 
work deals with about 950 different trees, native and introduced, and still 
does not touch the majority of trees of primitive forest, which must number 
some 1,500 more species, Mr. Corner’s book is based almost entirely on 
his own observations during the past ten years, and is the first considerable 
work on tropical plants which is based on field observations rather than on 
the description of dried specimens. It should be a most valuable aid and 
stimulus to the study of local plants. It will be very fully illustrated. 
Mr Holttum continued his observations on hybrid orchid seedlings, 
a number of which flowered for the first time during the year, h ull records 
of these were kept, and are of especial interest, as in many cases first ciosses 
between Malaysian species, never hybridized before, are concerned 
Mr Holttum also continued his notes on cultivated Bougainvilleas, and 
on the behaviour of deciduous trees in both Singapore and Penang^ He 
went over the whole of the orchid herbarium of the late Mr. C. E Carr, 
arranged for incorporation of all named specimens m the general herbarium, 
and sorted out a complete set of the extensive collections from Mt. Kinabalu 
for study by Dr. U O. Williams of Harvard. Mr. Holttum also prepared 
a number of popular articles on gardens plants for the M, A. H. A. 
Magazine. 
