exii Journal of the Asiatic Society of Bengal. [N.S., XIV. 
Forest Insect conditions in India.—By C. F. C. Bzxson. 
parison of forest insect conditions in British India with thow 
rs fo eg eulonk of other pus a the world, —— that <— forests are 
arless seriously menaced by primary insect pests (7.e are able to 
eae and hoa eeys forest trees), i are riba ores of po pms ’ 
United States of A In the a ie : 
Europe oe pal can as are (a) detolint rs, ¢.g. the 
Moth, the Pine Caterpillar s, the Brown-tail and Gold. tail il Moth, and 
bark-beetles, e.g. the T ypographer beetle, the pine bark-beetle, the apruce 
bark-beetle. 
In North America and Canada p Smee poset inolate among (4) 
ceenptcte, the Large Eres Sawfly, the Spruce Budw the Gypsy and 
ail m ini 8, os ong bark sarees anal conifericolous 
speci of a. gen 
re porn of the apieinticns of the defoliators and borers above 
seater re s of uiieeis a vig of forest have been from time to time 
completely smets ut both i irgin forests of North America and 
the artificial habeas of Gontenl. Buse 
an forests on the other Mana though abundantly supplied — 
i arth robe 
do not possess species which are able to kill off healthy on 
over danuscinblsy: large areas he past history of forest managemen 
India also indicates that extensive outbreaks of endemic secondary 
are of rare occurrence. These ditions of inter 
forest insects and thei: x hosts would appear to be normal in 
tropical and it tropical ee 
The absence of primary insect damage in India is ie pare 
the present sylvicultural pcg es which protects the 
pa and irregular 2 ssiviage the fellings, and which — ee 2 ot ox git 
altered the aniral fo acies of the primitive forest recent ae 
ing plans, however, pa towards the productio n of artificial al forest i t 
series of uniform even- eased proport 
en = pee with an incr ih ts injury, aod 
valuable species. Such fo “pests 
it is in them that we ma o find the oxisting secondary 
assuming under ephiteenin-< diiond ‘the role of primary pests. 
their variation 
The Burmese Sesamum varieties: Notes on 
and growth.—By A. McK®ERRAL. 
oe Lo the literature seees with this crop and the rf 
portance of m to Burmese agriculture, the author 
- ha the diff weal varieties grown in ‘Bdeme and their varistions a and 
a basis material collected from the principal Seon ‘dealt with 
wn at the Talkon A pia ire Stat The subject. 1s the 
under the following he i Seancine habit, colour of a 
flower, the capsule, felons of the vegetative parts, 
our, ne of 
The descri ~ is Pras b tentative classificati Fiod and 
Burmese Sesam ‘ s based on the branching Bi hee vegotaliyy ooout. Ib 
colour of the em - -s discussion of the rmalities W high ent, mat . 
Aindbaston the author discusses the possibilities of impro 
especially through pa flaxis selectio | 
da mee 
gee 
The “ Patti” as a nucleus of co-operation an 
for improvement in agriculture.—By S. S. 
Apart from the co-operative organisms exotic en 
thriving with obvious Pea to sn ret there is also . “neo 
