Pic 166 



Piceous, Piceus. — Black with a greenish tint ; the 

 colour of pitch. (L. ficeus, black as pitch.) 



Pigment. — The substance in which the cones or 

 pseudocones of the eye are buried, it forms two 

 layers, the iris pigment (iris tapetum) and the 

 inner retinal pigment. (L. pigmentum, from 

 pig-, root of pingo, to paint.) 



Piliferous, Piligerous. — Bearing hair ; covered with 

 hair. (L. pilus, hair, and few, and gero, to 

 bear.) 



Pilose. — Covered with soft down or short hairs ; 

 hairy. (L. pilus, hair.) 



Pinguis. — Naturally and proportionately plump. 



{L. fat.) 



Pinnate. — Having thorny processes, or stiff hairs. 

 Branching or cleft like a feather. (L. penna, 

 a feather.) 



Pinnatifid. — With winged clefts. (L. penna.) 



Pinnulate. — (L. penna.) See pinnate. 



Pitchy. — Blackish-brown ; the term is used loosely. 

 (A.S. pic, and L. pix, pitch, tar.) 



Plaga. — A long spot of irregular form, and colour. 

 (L. a bruise). 



Plagate. — Possessing plagae. 



Plane. — A surface destitute of elevations, depres- 

 sions and markings. (Fr. from Low L. plana, 

 a plane.) 



