120 TROGONID^I 



feed his mate. The female had not yet lost any of her wing or tail- 

 feathers. November 28. One of my herds brought another female 

 Hornbill with two eggs ; she had lost all her quills and tail-feathers, 

 and the new ones were about an inch long ; eggs much incubated. 

 December 13. Some bushmeii came to-day with three females, 

 two eggs and six young birds, the mother of the two eggs still 

 retained her tail and wing-quills, although the eggs were partially 

 incubated, but the other two had moulted, and while the young 

 feathers of the tails were about half an inch in length nothing could 

 be seen of those of the wings." 



Suborder IV. TROGONES. 



Two toes (third and fourth) forwardly, two (first and second) 

 backwardly directed ; of the deep plantar tendons the anterior, the 



4th 

 FIG. 38. Left foot of Hapaloderma narina, toes numbered, x \. 



flexor perforans digitorum, supplies the third and fourth toes, the 

 posterior, the flexor longus hallucis, supplies the first and second, 

 and the two tendons are connected by a vinculum (fig. 2, p. 2) ; 

 palate schizognathous (fig. 4, p. 4) ; the spinal feather tract is defined 

 from the neck to the oil gland and is not forked ; the oil gland is 

 nude ; caeca are present ; the ambiens muscle is absent. 



Family I. TROGONIDJE. 



The characters of this, the only family, are included in those of 

 the suborder. 



