352 
AN EXPLANATION OP 
Porrecti, stretched straight forwards. 
Recti, straight, without flexure. 
Recurvati, turned back. 
Securi/'onnes, shaped somewhat like an axe. 
Setacei, growing gradually more attenuated from the base to the apex. 
Simplices, not articulated. 
Subulati, linear at the base, growing more slender and pointed at the 
apex. 
Patella'., orbicular, elevated, moveable bodies on which the base ot 
the femora rests, as in the Ichneumonidte. 
Pectin- bs, in the genus Scorpio, two bodies 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 thorax to which the feet are 
attached. 
PEDES, the Limbs . — This term is applied by Linne to the whole limb, 
including the femur, tibia, tarsi, and unguis. Ihe formation of the 
legs will generally determine the habits of insects, and are called 
Cursorii, when formed for running. 
Mutici, without claws or spines. 
Natatorii, compressed, doubly ciliated and two-edged, formed for 
swimming. 
Sultatorii, with thick thighs, formed for leaping. 
Serrati, dentated or toothed like a saw. 
Spinosi, set with large subulatcd spines. 
P etiolate m, having a slender .elongated tube connecting the abdomen 
to the thorax : this is observable in many of the Ilymenopterous in- 
sects. 
Plant®, the under part of the tarsi . 
Hemisphericte, concave and nearly circular : this kind of tarsus is pe- 
culiar to the aquatic Coleoptera. ( PI. 3. Jig. 13. a.) 
PROBOSCIS, a hollow tube at the mouth, often fleshy, and enlarging- 
at the point. 
Tnjkxal tending towards the breast. 
Plicatitis, pliable, so that it can be folded up. 
Porreda, stretched straight forward. 
lircurmta, turning backwards. 
PUPA, Aurelia, Chrysalis, Nympha, the animal changed from a larva, 
often motionless, destitute of mouth, &c. See Metamorphosis. 
Folliculata, inclosed in a case made of hair or silk, or of leaves, 
wool, earth, &c. conglutinated together. 
Nuda, not inclosed in a case, not folliculated. 
Obtecta, wrapped up in a crustaceous covering, the thorax and abdo- 
men obvious. 
Punctata, Elytra, Sfc. sprinkled with hollow dots or punctures. 
