352 AK EXPLANATION Or 



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Porrecli, sticlched straight forwards. 

 Recti, straiL:.lit, without tlcxiire. 

 Recurvafi, tiirnrd back. 

 Securiformes, shaped somewhat like an axe. 



Se<«cc/, growing gradually more attenuated from tiie base tu liie apex, 

 Simplkcs, not articulated. 



Suhiduti, linear at the base, growing more slender and pointed at the 

 apex. 

 PatellvE, orbicular, elevated, moveable bodies on which the base of 



the femora rests, as in the Jcluieunionidfc. 

 Pectines, in the genus Scorpio, two liodies situated between the abdo- 

 men and the breast, dentated on one side, but the number of teeth 

 varies. 

 Pectus, the Breast, the under part of the tliorax to which the feet arc 



attached. 

 PEDES, the Limbs. — This term is applied by Ijnne totlie whole limb, 

 including the femur, tibia, tarsi, and unguis. The formation of tlie 

 legs will generally determine die habits of msects, and are called 

 Cursorii, when formed for running. 

 Jilufici, without claws or spines. 

 Nafatorii, compressed, doubly ciliated and t~\vo-edged, formed for 



swimming. 

 Sultatorii, w ith thick thighs, formed for leaping. 

 Scr7(iti, dentated or toothed like a saw. 

 Spinosi, set with large subulated spine s. 

 Petiolatum, having a slender elongated tube connecting the abdomen 

 to tiie thorax: this is observable in many of the IJymenoi>terous in- 

 sects. 

 Plants, the under part of the tarsi. 



Hemispheric^, concave and nearly circular : this kind of tcn^sus is pe- 

 culiar to the aquatic Co/eoptera. {PL 3. Jig. 13. a.) 

 PROBOSCIS, a hollow tube at the mouth, often fleshy, and enlarging- 

 at the point. 

 Inflexa, tending towards the breast. 

 Plicatilis, pliable, so that it can be folded up. 

 Porrecta, stretched straight forward. 

 Rccurvatu, turning backwards. 

 PUPA, Aurelia, Chrysalis, Nj/mpha, the animal changed from a larva, 

 often motionless, destitute of mouth, &c. See Metamoiphosis. 

 FollicnhUa, inclosed in a case made of hair or silk, or of leaves, 



wool, earth, &c. conglutinated together. 

 'Nnda, not inclosed in a case, not foUiculatcd. 



Obtecta, wrapped up in a crustaccous covering, the thorax and abdo- 

 men oLvious. 

 Pl'n-ctata, Elytra, Sfc. sprinkled with hollow dots or punctures. 



