NORTHWESTERN MEXICO. 309 



237. Syrtvphemia sernipalmata (Gm.). 

 Mazatlan, Grayson, BischofF. 



"A common species the entire year. 



238. Gamhetta melanoleuca (Gm.). 

 Colima, Xantus. 



239. Gamhetta jlavipes (Gm.). 

 Mazatlan, Grayson. 



" Not abundant ; met with during the winter months." 



240. Rhyacophilus solitarius (Wils.). 

 Mazatlan, Grayson. 



" Common." 



241. Tringoides macularius (Linn.). 

 Colima, Xantns. 



242. Numenius longirostris Wils. 



" " Finsch, Abh. nat. Ver. zu Bremen, 1870, p. 363. 



Mazatlan, Grayson. 



243. Numenius hudsonictis Lath. 



" " Finsch, Abh. nat. Ver. zu Bremen, 1870, p. 363. 



Mazatlan, Grayson ; Rio Zacatula, Xantus. 



Fam. Tantalid^. 



244. Ibis alba Linn. 

 Mazatlan, Grayson. 



245. Ibis guarauna Linn. 



Mazatlan, Grayson; Manzanilla Bay, Xantus. 



"Numerous, and common at all seasons." 



246. Tantalus loculator Linn. 

 Mazatlan, Grayson. 



"Abundant at all seasons." 



Fam. Plataleid^. 



247. Platalea ajaja Linn. 



" " Finsch, Abh. nat. Ver. zu Bremen, 1870, p. 358. 



Mazatlan, Grayson. 



" Common throughout the summer months ; less so during the winter months, although it may often be 

 met with in small numbers." 



UZUOIBS BOST. BOO. SAT. HIST. VOI.. n. 78 



