148 AMERICAN ENTOMOLOGY. 



Pedes, i\efeet ; this term is applied to the whole limb, consist- 

 ing 0^ femur, tibia, tarsus. 



Pedicelhis, the third joint of the antennae, particularly in Hy- 

 menoptera, often forming the pivot, turning in the socket of 

 the scajnis, upon which the other articulations, constituting 

 the apex, sit, and by means of which they often form an angle 

 with that part ; it is " le bouton" of Reaumur. 



Pedicle, a pedicellus. 



Peduncle, a stalk or petiole. 



Pedunculated, elevated on a stalk or peduncle. 



Peltate, target-shaped. 



Pendent, hanging down. 



P^nicilliform, pencil-shaped. 



Penis, the genitals of the male, consisting of forceps and phallus. 



Pennaceous, feathered like the web of a quill. See plumous. 



Penultimate, the last but one. 



Perennial, continuing for several years. 



Perfoliate, perforated; applied to those antennae of which the 

 joints are transversely divided into thin plates, which are con- 

 nected by a common stalk passing nearly through their cen- 

 tres. See clavate, pectinate. 



Peristacfhivm, that segment of the postpecfus anterior to the in- 

 sertion of the intermediate feet; it extends laterally to the 

 scapulse, and is generally connected with the pectus by a mem- 

 brane. 



Persistent, permanent. 



Personate, gaping. 



Petiolated, supported on a stem ; {cellule) one of the cubital 

 cellules is said to be petiolated when it is triangular, and con- 

 nected by means of a nervure with the nervure of the radial 

 cellule ; this disposition more frequently occurs in the second 

 cellule. 



Petiole, a stem; the support which connects the base of the 

 metaihorax with the base of the abdomen. 



Phallus, the masculine organ of generation. 



Phosphorescent, lucid ; emitting light in the dark. 



Piceous, pitchy ; the color of pitch. 



Pilous, having long sparse hairs. See hirsute. 



Pinnatifid, with winged clefts. 



