442 Mr. W. P. Py craft on the Pterylography fyc. 



little behind a transverse line drawn across the body at the 

 post-patagium, gradually spreads out to form a fan-shaped 

 shield, overlapping on to the pre-ilia. The remaining 

 portion of the tract, caudad of the rounded free edge of the 

 fan, is continued back to the oil-gland as a fairly wide and 

 strongly-marked tract. 



Text-fisr. 27. 



_„fl '.coll .? 



pt I, 



V>2 >:jft*J ■ 



Dorsal view of Faradisea minor, shewing the feather-tracts. 

 pt. cap.= pteryla capitis;^. al.= pt. alaris;^>£. c.=pteryla caudalis; 

 pt. coll.d. = pteryla colli dorsalis; pt. jem.= pteryla femoralis ; pt. h. 

 = pteryla humeralis; t. ma/.=tectrides majores ; t. mod. — tectrices 

 mediae ; pt. ap.=pteryla spinalis. s. = secondaries. 



Pt. colli ventrulis (text-fig. 28, pt.c.v.). — This tract does 

 not acquire an independent existence until nearly halfway 

 down the neck, being continuous above with the pt. coll. 

 dorsalis. 



Near the middle of the neck, in the mid-ventral line, it 

 divides into two branches, strongly developed and passing 

 into the :— 



Pt. ventralis (text-fig. 28, pt.vent.}.-— From the base of the 

 neck this passes backwards to form a spoon-shaped tract of 

 considerable size. The outer border thereof is continuous 



