TERMINI. 103 



^heath{m). Swammerdam likewise names it the 

 sfieath of the tongue {n) ; and Latreille calls it la 

 gaine. I think it ought to be distinguished from 

 the tongue, though it includes its base, as it differs 

 from it in substance, in this respect resembling the 

 valvules, and indeed performing a similar office. 



Fulcrum. This part, upon which the tube sits, 

 has been noticed both by Swammerdam and Reau- 

 mur, the former denominating it, as well as the 

 cardines of the valvuliP, " articulations by which 

 the proboscis is united to the head (o) ;" and the lat- 

 ter terming it le pivot {p). 



Auricula. De Geer has noticed and figured 

 these in the rostrum of his Proabeille, and calls 

 them ^' petites parties en forme de barbillons(q)." 

 They are distinguished from the lacini^e interiores 

 of the genus u4pis, by being usually lacerate at 

 their apex. 



Lacinii-e e.vteriores. These are to be met with 

 in all the fiimilies of the genus Apis, the two first 

 excepted, and in no other Hijmennpterous insects 

 that I know of. They are distinguished from the 

 two first articulations of the interior palpi, to which 

 they are analogous, by being flat, instead of cylin- 



(m) Tom. 2. p. 1146. Tab. 32. fig. 10. a, b. 

 (n) Hill's Swammerdam. Bib. Xat. Expl. Tab. p. IQ. Tab. 

 17. fig. 5. //. (0) Swamm. ubi sup. & Tab. 17. fig. 5. rrrr. 

 (/)) Reaum. ubi supra, p. 334. Tab. 2/. fig. 9. q. 

 (7) Tom. 2. P. 2. p. 1110. Tab. 32, fig. 10. and p. 757. 



II 4 drical 



