INTRODUCTION 
lxxv 
Charitonetta albeola: Buffle-head. — One taken in December near Tucson, 
and one on San Pedro in January. 
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 lentiginosus : Bittern. — Rare about Tucson (Brown). 
Ardea herodias : Great Blue Heron. — Rather common resident. 
Ardea egretta : Egret. — Rather common about Tucson in May. 
Ardea candidissima: Snowy Heron. — Five seen near Tucson in May. 
Ardea virescens anthonyi : Anthony Green Heron. — Rather rare about 
Tucson (Brown). 
Nycticorax nycticorax ncevius: Black-crowned Nig'ht Heron. — Rather 
rare about Tucson (Brown) ; found on the Santa Cruz in May. 
Ballus virginianus: Virginia Rail. — One seen on the San Pedro in Jan¬ 
uary. 
Porzana Carolina: Sora. — One taken at Tucson in April (Brown). 
Gallinula galeata: Florida Gallinule. — 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 migration about 
Tucson. 
Becurvirostra 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 pacifica: 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 cinnamomeus: 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). 
jEgialitis vqcifera: Killdeer. — Common about Tucson in spring and fall, 
breeding in small numbers in the San Pedro region. 
zEgialitis 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. 
