Vol. IV, No. 4.] Notes on the Pollination of Flowers. 217 
[N.S.] 
Ranunculus acris, Linn. Visitor. HYMENOPTERA. 
Apidae. (1) Apis indica, Fabr., sh., 4,000 ft., 10-v-07. 
Delphinium denudatum, Wall. No insects were seen on this 
frequent and showy plant. The spur of a nomber of flowers was 
observed to have been bitten through, at the left-hand side near 
to the ti Lhe flower is Airgas ous, and self-fertilisation 
apparently does not take place 
Berberis Lycium, waa The stigma stands in the mouth of 
the pendent flower and the stamens stand under cover hy the 
petals. Visitors plentiful. " HYMENOPTERA. Apidae. (1) 
Apis indica, Fabr., sh., 4,000—6,000 ft., 9—11-v-07. (2) Hadicts 
sp., sh., 4,000 tt. 9-v-07 ; 5,000 ft., 29.v-06, Formici 
(3) A black ant, 4,000 ft., 9-v-07, LEPIDOPTERA. (4) ‘nd 
(5) Two ee sh., 5,000 ft., 22-v-06. DIPTERA. An- 
thomyiidae (6) One species, 4,000 ft., 9-v-07. 
Papaver somniferum, Linn. Visitors) HYMENOPTERA. 
Apidae. (1) Apis indica, Fabr., and (2) Bombus eximius, 
Smith, ep., 8,000 ft., 18-v-06. 
Corydalis ruteefolia, Sibth. The flower has the mechanism 
eal - bias ydalis. It is not very conspicuous, but the plant is 
gregar: 
Arabis alpina, Linn. Visitor DIPTER Syr a hi- 
dae. (1) Rhingia angusticincta, atdiets sh., 8, 600 ft., 1-v-07. 
Cardamine sylvatica, Link. The anthers dehisce at a very 
short distance from the stigma, and hep sedges come to touch it. 
Visitors. HYMENOPTERA. Ap e. (1) Halictus polyc- 
tor, Bingh. 9, 7,000 and 8,500 ft., 38.4 iv- om and 8-y-07. 
ella Bursa-pastoris, Mench. Common and always, 
_self- ic tae Visitors. HYMENOPTERA. Apidae. (1) 
Halictus polyctor, Bingh. @ , sh. 7,000 ft., 8-v-07. 
Thlaspi alpestre, Linn. The flowers are honeyed, showy 
RA 
and attract Diptera. Visitors. DIPTE Bombyliidae. 
eg oe major, Linn., sh., 9,000 ft., 30-iv- 07. S yr- 
dae. Syrphus sp., ie 9, 000 ft., 30-iv-07. 
Viola Patrinii D.C. This is the scented Viola of the hills; 
see figureabove. Visitors. HYMENOPTERA. Apidae. (1) 
Osmia ?, 8300 ft., 29-iv-07 and 8,500 ft., 28-iv-07. LEPI- 
mee Rho opel cose (2 Lyceenid one sp., sh., _ 
8 t., 28-iv-07. DIPTERA. Seatophegid.se. (3) 
aeest oe sp., seeking honey, 8,000 ft., 3-v-07. 
