218 Journal of the Asiatic Society of Bengal. [April, 1908. 

Viola serpens, Wall. See figures above. Visitors. HY- 
MENOPTERA. Apidae. (1) Bombus tunicatus, Smith, sh., 
ft.. 30-iv-07. Halictus festus, Bingh. 9° sh., 8,300 ft. 
29. iv-07. LEPIDOPTERA. Rhopalocera. (3) Van- 
essa urtice, Linn., sh., 9,000 ft., 30-iv-07. DIPTERA. Bom- 
byliidae. (4) Bombylius major, Linn., two individuals, sh., 
8,300 ft , 29-iv-07. 
Viola canescens, Wall. See figures above. Visitors. HY- 
MENOPTERA, Apidae. (1) Apis indica, Fabr., sh., 9,000 ft , 
30-iv-07. LEPIDOPTERA. Rhopalocera. (2) Argynnis 
sp., sh., 9,000 ft,, 30-iv-07. DIPTERA. Bombyliidae. (3) 
Bombylius major, Linn., sh., very diligently and constantly in 
several sete 8,300 ft., 30-iv-07; and 9,000 ft., 30-iv-07. 
Syrphida (4) Bhingia angusticincta, Brunetti, 9 000 ft., 
30-iv-07, Bias balteatus, De Geer, 8,000 ft., 2-v-07. 
Polygala abysssinica, /Fresen. Visitors. HYMENOP- 
TERA. Apidae. One small species, sh., 5,000 ft., 22-v-06; 
and 6,000 ft. 20-v-06. 
Polygala crotalarioides, Buch.-Ham. The mechanism is 
typical of the genus: the keel returns over the stamens after 
depression. 
sophila cerastioides, D. Don. Visitor. HYMENOP- 
TERA.” Sa paitee. (1) Ceratina Kali, Bingh. ? , 8,000 ft., 28- 
v-07. 
Cerastium triviale, Link, is gynodiccious, at any rate above 
8,000 ft. 
Stellaria media, Cyr., is self-pollinated. Visitors. LEPI- 
DOPTERA. Rhopalocera, Lycenidone sp.,sh., 8,500 ft., 
28-iv-07. 
Geranium rm eu has complete proterandry. Its 
flowers opeu about dawn. Visitors) HYMENOPTERA. F or- 
One species of ee sh., 6,000 ft., 11-v-07. 
Oxalis corniculata, Linn., is self-pollinated in the closing 
of the flowers in the afternoon. It attracts occasional Hymenop- 
tera, Visitors) HYMENOPTERA. Apidae. (1) Halic- 
tus polyctor, Bingh., sh., on three occasions, standing on the 
anthers and stigma and turning round t each nec tary in turn, 
7,000 ft., 8-v-07 and 8,300 ft., 26-iv-07. DIPTERA, Syrphi- 
dae ( 2) Melanostoma Sp., fp. ., 7,000 ft., 8-v-07. 
Ilex dipyrena, Wall. There is very little honey in the 
flowers. ‘The stamens diverge greatly and self-pollination seems 
impossible or difficult. 
