USED IN ENTOMOLOGY. 27 



Porrect, stretched out; prominent; elongated forwards. 



Posterior angle, of the wing, is the junction of the posterior 

 edge with the interior edge ; of the thorax, is the lateral angle 

 near the base of the elytra. 



Posterior edge, the boundary of the posterior margin. 



Posterior margin, of the wing, extends on the hind part of the 

 wings from the apex to the posterior angle. See inner 

 margin. 



Posterior wings, the inferior wings. 



Postpectus, the posterior portion of the stethidiwn on the in- 

 ferior surface of the body, consisting of several pieces, which 

 in the Coleoptera particularly are the peristaethium, aceta- 

 bidum,parapleurum, scapula, and maerianum. 



Prasinus, grass-green, without any tinge of blue. 



Premorse, as if bitten off; with a blunt or jagged termination. 



Prismatic, like a prism ; of equal thickness and having several 

 flat sides ; differs from cylindrical in being angular. 



Proculiform, hollow and cylindrical, with a hemispherical base, 

 the sides at top straight and not recurved. See calathiform, 

 cyathiform. 



Proboscis, the inarticulate trophi of the Muscae, and is sometimes 

 soft, labiated and generally retractile, sometimes horny and 

 acute ; according to Kirby it. is the tongue of the Hymenop- 

 tera with all the apparatus, and its vagina. 



Procumbent, trailing; prostrate; lying flat. See decumbent. 



Promuscis, according to Illiger, is the trophi of the Hymenop- 

 tera. 



Pruinous, Covered with a frosty kind of woolliness ; hoary. 



Pterigostia, or wing-bones, the nervures. 



Pubescent, coated with very soft, fine wool, hair or down, which 

 is short and not crowded. See villous, tomentous. 



Pulverulent, dusty. 



Punctured, marked with small impressed dots. See scrobicu- 

 late, variolous. 



Pulvillus, the soft termination of the foot between the unguis; 

 it is " un petit mammelon" of Degeer. See onychii. 



Puniceous, carmine colour. 



Pupa, the second state of the insect from the egg, often quies- 

 cent; the members being more or less concealed by the com- 



, mon integument. See aurelia, nympha, chrysalis. 



Pupil, of an ocellate wing-spot, is the central spot which is sur- 

 rounded by the iris. 



Pyriform, pear-shaped. 



