144 



THE ANATOMY OF THE HONEY BEE. 



Ost, 



Ov, 



ov, 



OvD, 



OvO, 



P, 



IP, 2P, 



3P, J,P, 

 PA, 

 Pel, 

 PD, 



Pd, 



Pen, 



PeiiB, 



Peps, 



Pge, 



PgU 



Pgu, 



Ph, 



Phy, 



PI, 



vh 



Plf, 



Pig, 

 Pip, 



Pmb, 



PMcl, 



PN, 



piv. 



PNP, 

 PNR, 

 Pph, 



PR, 



Pib, 



PrhFs, 



PS, 



Ps, 



Psc, 



Pscl, 



Psl, 



PsnC, 



PsnSc, 



ostium or lateral aperture of heart. 



ova I'.v. 



ovariole, imlividual ovariau tube. 



oviduct. 



opeuing of vagina or median oviduct. 



paraptera, small pleural plates below base of wing, tyi)ically two 



episternal paraptera or preparaptera (IP and ^P)hefove pleural 



wing process (WP), and two epimeral paraptera or postparap- 



teni (SP and -JP) behind wing process, 

 episternal paraptera, preparaptera. 

 epimeral paraptera, postparaptera. 

 arm of pleural ridge, 

 postclypeus. 

 muscle disc of episternal paraptera, giving insertion to i)ronator 



muscle (not present in the bee), 

 peduncle, 

 penis. 



bulb of penis, 

 preepisternum. 

 postgena. 

 paraglossa. 

 pregula. 

 phragma. 

 pharnyx. 

 pleurum. 



subdivision of pleurum. 

 palpifer, palpus-carrying lobe of maxilla, 

 palpiger, palpus-carrying lobe of labium, 

 palpus. 



peritrophic membrane. 

 pro««tor muscle, 

 postnotum or psendonotum, the second or postalar tergal plate of 



the wing-bearing segments of most insects, the " postscutellum " 



of higher orders, 

 small rod connecting postscutellum (postnotum PN) with upper 



edge of epimerum, probably a detached piece of the former (see 



figs. 22 and 24). 

 posterior notal wing process, 

 posterior marginal ridge of notum. 

 posterior phragma or postphragnin of any terguui, carried by the 



second notal plate or postnotum (/'.V), the "postscutellum" of 



higher forms, 

 infernal pleural ridge, the entopleurum, marked externally by 



l)leui-a] suture (PS). 

 proboscis, 

 fossa of proboscis, 

 pleural suture, external line separating episternum and epimerum, 



marking site of internal pleural ridge, 

 presternum. 

 ])rescutum. 



postscutellum ( postnotum ) . 

 poststeruellum. 

 poison canal of sting, 

 poison sac of sting into which t)pens the acid gland (AGl). 



