INTRODUCTION Ixxv 



Charitonetta albeola : Buffle-head. One taken in December near Tucson, 



and one on San Pedro in Jamiary. 

 Erismatura jamaicensis : Ruddy Duck. Not uncommon about Tucson at 



times. 

 Branta canadensis (subsp. ? ) : Canada Goose. Three seen on pond near 



the San Pedro in January. 

 Plegadis autumnalis : Glossy Ibis. Not infrequent about bottom lands 



near Tucson (Brown). 

 Plegadis guarauna : White-faced Glossy Ibis. Common in May near 



Tucson. 

 Tantalus loculator : Wood Ibis. Rather common on Gila and San Pedro 



rivers most of the year. 



Botaurus lentiffinosvs : Bittern. Rare about Tucson (Brown). 

 Ardea herodias : Great Blue Heron. Rather common resident. 

 Ardea egretta : Egret. Rather common about Tucson in May. 

 Ardea candid i*sima : Snowy Heron. Five seen near Tucson in May. 

 Ardea virescenx anthonin : Anthony Green Heron. Rather rare about 



Tucson (Brown). 

 Nycticorax nycticorax wevius : Black-crowned Night Heron. Rather 



rare about Tucson (Brown) ; found on the Santa Cruz in May. 

 Rallus virginianus : Virginia Rail. One seen on the San Pedro in Jan- 

 uary. 



Porzana Carolina: Sora. One taken at Tucson in April (Brown). 

 Gallinnla galeata : Florida Galliuule. Not uncommon about Tucson 



(Brown) ; rare on San Pedro in late January. 

 Fulica americana : Coot. Common except in summer. 

 Steganopus tricolor : Wilson Phalarope. Common during 1 migration about 



Tucson. 

 Recurvirostra americana : Avocet. Common at times in fall migration 



near Tucson (Brown). 

 Gallinago delicata : Wilson Snipe. Common in migrations about Tucson, 



a few wintering there and in San Pedro River region. 



Tringa minutilla : Least Sandpiper. Common about Tucson in migra- 

 tions (Brown). 

 Tringa alpina pacijica : Red-backed Sandpiper. Flocks seen in April 



near Tucson. 

 Ereunetes occidentalis : Western Sandpiper. Common migrant about 



Tucson. 

 Limosa fedoa : Marbled Godwit ('?). A godwit probably of this species 



seen in January on San Pedro River. 

 Totanus melanoleucus : Greater Yellow-legs. Two taken by Mr. Brown 



near Tucson in October. 

 Helodromas solitarius cinnamomeiig : Western Solitary Sandpiper. Not 



uncommon about Tucson in migrations. 

 Actitis macularia : Spotted Sandpiper. Occasional about Tucson in 



spring. 

 Numenius longirostris : Long-billed Curlew. Not common in migrations 



about Tucson (Brown). 

 j^Eyialitis vocifera : Killdeer. Common about Tucson in spring and fall. 



breeding in small numbers in the San Pedro region. 

 j^Egialitis semipalmata : Semipalmated Plover. Doubtless common about 



Tucson in migrations. 

 Colinus ridgwayi : Masked Bob-white. Found by Mr. Brown in the 



Barboquivari Mountains. 

 Callipepla squamata : Scaled Partridge. Most abundant on the dry mesas 



of the San Pedro slope of the Santa Catalina Mountains. 



