1918.] NATURAL SCIENCES OF PHILADELPHIA. 263^ 



In company with the next species on tree trunks in the forest. 



[232. J Dendrocolaptes sancti-thomae sancti-thomae (Laf resnaye) . Barred Wood-Hewer. 

 [233.] Xiphorhynchus punctigulus punctigrulus (Ridgway). Spotted-throated Wood-Hewer. 



234. Xiphorhynchus nanus nanus (Lawrence). Lawrence's Wood-Hewer. 



Two males and two females, May 21 and June 25. 1911; INIarch 29, 

 1911, and July 21, 1912. Iris brown, bill blackish, feet bluish-horn 

 color. 



A rather common forest bird. 



235. Xiphorhynchus lacrimosus lacrimosus (Lawrence). Black-striped Wood-Hewer. 



Female, Gatun, November 12, 1911. Iris brown, maxilla horn 

 color, mandible pale bluish-white, feet bluish-gray. 



Shot from a tree trunk in the sul^merged area of Gatun Lake. 



[236.] Picolaptes lineaticeps lineaticeps Lafresnaye. Streaked-headed Wood-Hewer. 



237. Campylorhamphus venezuelensis (Chapman). Venezuelan SicklebilL 



Male, Gatun, April 14, 1911. Iris brown, bill light reddish-brown, 

 feet fuscous. 



Was picking dead wood from the rotted end of a tree limb, searching. 

 for boring insects or larvse. 



TYBANNID^. 



238. Copurus leuconotus Lafresnaye. White-backed Copurus. 



]\Iale and female, Gatun, February 18, 1912. Iris brown, bill and 

 feet black. 



[239.] Placostomus superciliaris (Lawrence). Lawrence's Spade-billed Flycatcher. 

 240. Craspedoprion aequinoctialis (Sclater). Equinoctial Flycatcher. 



Two females, Gatun, December 18, 1910, and August 6; 1911. Iris 

 black, bill black above pinkish below, feet gray-blue. 

 Found in wild banana thickets and in the forest. 



[241.] Rhynchocyclus marginatus Lawrence. Yellow-margined Flycatcher. 

 [242.] Rhynchocyclus cinereiceps (Sclater). Gray-headed Flycatcher. 

 243. Rhynchocyclus flavo-olivaceus Lawrence. Yellow-olive Flycatcher. 



]\Iale and female, Gatun, July 2 and May 28, 1911. Iris brownish- 

 gray, bill black above whitish below, tarsi grayish-brown. 



A forest species. 



Nest hung loosely from a branch over the water, composed of a mass 

 of very long brown fibers, entrance from the bottom, passage extend- 

 ing up about eight inches to nest proper, which was compactly built; 

 contained three 3'oung May 28. Another nest exactly like this one 

 was placed a few feet below, close to the water and contained one^egg, 

 light reddish-brown, with deeper colored spots forming a wreath^at 

 the larger end. The lower nest had been water-soaked. The female 

 specimen was sent to the American Museum of Natural History. 



