516 Journal of the Asiatic Society of Bengal. [December, 1906. 
and close ina clumsy fashion in the evening of the same day; 
I mean that they half close: and after: midnight they cease to be 
shapely. By the dawn of the next day the petals are falling off. 
h 
exactly at the same level. Self-fertilisation is insured in the 
absence of insect visitors, as 1 proved by means of linen wrap- 
pings whereby insect visitors were shut out. 
Honey lies, half hidden, at the base of the flower, and secre- 
then setting on a leaf to devour it from the end of the abdomen 
apwards. I mention this circumstance chiefly because it illus- 
trates the enormous numbers of individuals of the little Apis busy 
in the jute beds, and is quite opposed to Lefrance’s statement 
that insects avoid the plant. 
through the heat of the day until evening. They are somewhat 
ill-suited visitors to the plant, their long tongues enabling them 
to reach Lae honey without touching the anthers and stigmas. 
= a 
this Corchorus and a neighbouring yellow Composite—Tridaz 
procumbens, ‘ 
Visitors at Burdwan, August and September :— 
: SAYMENOPTERA ACULEATA, A pide, (1) Xylocopa.latipes,. Fabr., 
ae Le honey in > only. (2) Apis es og ig suck- 
ing oa fairly plentiful. (3) A. florea, Fabr.; sucking honey 
(A) pet ng pollen, always. in great. abundance. Scoliid#. 
i is get sucking honey, fairly abundant. (5, 6,7. and 8) 
— — \culeate Hymenoptera. (9) Formicide, a black 
i oney -in 13906: LepipopreRa: RHOPALOCERAY '(10)' ‘Tertas 
