202 TYRANNID^. 



Genus MEGARHYNCHUS, Thunh, 



Megarhynclius pitangua {Linn.). 

 (Plate V. fig. 4.) 



Megarhynclius pitangua, Scl. Cat. Birds B. M. xiv. p. 189 (1888); Sah. 

 ^- (Jochn. Biol. L'entr.-Amer., Aces, ii. p. 51 (1889) ; Ne/irk. Cat. 

 Eiersamml. p. 140 (1899); von IheriiK/, Bcv. Mus. Paulista, iv. 

 p. 235 (1900) ; Skarpe, Hand-l. iii. p. 130 (1901). 



The eggs of the Pitangua Tj'rant-bird in the Collection are of a 

 regular oval shape, slightly glossj' and cream-coloured, densely 

 speckled, spotted, and blotched with reddish brown and lavender. 

 The markings are more dense at the broad end than elsewhere, 

 forming at that part an irregular cap. Two examples measure 

 respectively : 1-15 by -82 ; I'll by -82. 



4. Costa Ptica, 14th May. C. F. Underwood, Esq [C.]. 



Megarhynchus chrysocephalus {Tsclmdi). 



IMyiodyiiastes chrysocephalus, Scl. Cat. Birds B. M. xiv. p. 187 (1888). 

 Megarhyucbus chrysocephalus, Sharpe, Hand-l. iii. p. 130 (1901). 



Of the eggs of the Golden-headed Tyrant-bird in the Collection, 

 two specimens are inseparable from those of Alyiodynastcs luteiventei\ 

 and two very closely resemble the eggs of Pitawjns caudifasciatus. 

 Four examples measure respectively : 1"1 by "71 ; 1"03 by -73 ; 

 1-03 by -72 ; 1-05 by -71. 



4. Venezuela {GiKjoiheimer). Crowley Bequest. 



Genus ONYCHORHYNCHUS, Fischer. 



Onycliorhynclms mexicaiius {Sd.). 

 (Plate V. fig. 12.) 



Muscivora niexicana, Scl. C(d. Birds B. M. xiv. p. 193 (1888) ; Sah\ ^• 

 Godm. Biol. Ccntr.-Amer., Avcs, ii. p. 53 (1889) ; Nchrk. Kat. 

 Eiersamml. p. 141 (1899). 



Onychorhynchus mexicanus, Sharpe, Hand-l. iii. p. 130 (1901). 



The eggs of the Fan-crested Tyrant-bird arc of a regular oval 

 shape and devoid of gloss. They are of a pinkish cream-colour, very 

 thickly streaked and smeared with deep vinous brown, to such an 

 extent in some specimens that little of the ground-colour remains 

 visible. Four examples measure respectively : -8 by '58 ; -81 by -50 ; 

 •85 by '55 ; -84 by -oo. 



4. Panama {McLeannan). Salvin-Godman Coll. 



