PACHYRHAMPHUS. 



271 



Genus PACHYRHAMPHUS Gray. 



Pacliyrlwmplius Gray, List Gen. B. p. 31, 1840. Type P. viridis 

 (Vieillot). 



Fig. 109. — To show the abortive and incised tip of the second primary. 



In this genus the bill is more or less depressed, the width at the 

 base being about four-fifths the length of the exposed culmen, and 

 the upper mandible hooked at the tip. The rictal bristles are only 

 slightly developed. The wing is rounded, the third and fourth 

 primary-quills longest and equal, the second abortive and incised on 

 the inner web at the tip, and the first about equal in length to the 

 fifth. The tail is rounded at the tip, the outermost feather on 

 each side about 5 mm. shorter than the middle ones, and about 

 three-fifths the length of the wing. The tarsus is about twice the 

 length of the exposed culmen. Coloration : male and female 

 ditt'erent. 



Key to the Species. 



A. Tinder surface greyish white. 



a. Larger ; crown of head black ; back 



green P. griseigularis d" , p. 272. 



a . Crown of head green like the 



back • P.griseigtilaris $ , p. 272. 



h. Smaller; crown of head black; back 

 ash-grey, sometimes tinged with 



green P. rw/MS d*, p. 273. 



h' . Crown of head and back rufous. P. rufus $ , p, 273. 



B. Under surface slate-black. 



c. Crown of head and back black P. macconnclli S, p. 271, 



d. Crown of head and back ulivc-greon ; 



under surface kniun-ycllow P. macconnelli J, p. 274. 



