MANUAL 01' THE APIARY. 



95 



organ is used. Near the base of each lancet is a beautiful 

 valvular organ (Fig. 25, e, e). The hollow inside the lancets 

 (Fig. 25, I, i), unlike that of the awl, is useful. It opens 

 Tig. 25. . 



Sting with Lcmcets drawn one side, cross-section of Sting, and a 

 Lancet, much magnified. 



C — Poison Back. 



A— Awl. 



u, u— Barbs. 



I, I— Hollows in lancets. 



T'— Groove in lancet. 



M— Tube from sack to reservoir. S— Reservoir. 

 B, B -Lancets. u, b— Valves. 



o, o— Openings from hollow in H— Hollow in awl. 

 lancets. T, T— Bidges in awl. 



anteriorly in front of the first six barbs (Fig. 25, o, o), as 

 shown by Mr. Hyatt, and posteriorly just back of the valves 

 into the central tube (Fig. 25, n), and through it into the 

 reservoir (Fig. 25, s). The poison then can pass either 

 through the hollow lancets (Fig. 25, I, i) or through the cen- 

 tral tube (Fig. 25, n), between the three spears. 



The lancets are held to the central piece by projections 

 (Fig. 25, T, t) from the latter, which fit into corresponding 



