Sting of Bees. 



»3i 



This organ in the worker bee is straight, and not curved 

 as is the sting of the queen. The poison which is emitted 

 in stinging, and which causes the severe pain, is an acid 

 fluid, wliich is secreted by a double tubular gland, (Fig. 23, 



Fig. 51. 



SHm^ -witA Lancets drawn one side, cross-section of Sting, ond a Lancet, vntch 



maffnijied, 



C Poison sac M Tube from sac to reservoir, 5 Reservoir. 



A Awl. -B, B Lancets. E, E Valves, 



f/, U Barbs. O, O Openings from Iiollow in H Hollow in awl. 



/,/ Hollows in lancets. lancets. T, 2" Ridges in awl. 



T* Groove in lancet. 



pig), and stored in a sac (Fig. 51, c, and 23,/, c,) which is 

 about the size of a flax seed. This sac is connected by a 

 tube ( Fig. 5 1 , tI/) with the reservoir of the sting. The sting 

 is a triple organ consisting of three sharp hollow spears, 

 which are very srnooth and of exquisite polish. If we mag- 



