334 University of California Publications in Zoology, [^oi^' '^ 



The following species were doubtless breeding at Quinn River 

 Crossing and Big Creek Ranch. In many eases proof of sexual 

 activity was obtained. The chief evidence from this list would 

 indicate that these localities are both Upper Sonoran. 



Species Probably Breeding at Qdinn Eiver Grossing or Big Creek 

 Ranch, and Known to Breed in Upper Sonoran Elsewhere 



(ranging above in some cases) 



Birds 



Tyrannus tyrannus Amphispiza nevadensis nevadensis 



Aphelocoma woodhousei Meloapiza melodia montana 



Molothrus ater artemisiae Pipilo maculatus curtatus 



Xanthocephalus xanthoeephalus Passerina amoena 



A'gelaius phoenieeus (subsp. indet.) Vireosylva gilva swainsoni 



Pooecetes gramineus confinis Dendroica aestiva brewsteri 



Passerculus sandwichensis nevaden- Geothlypis trichas oeeidentalis 



sis Icteria virens longieauda 



Chondestes grammacus strigatus Oreoseoptes montanus 



Spizella breweri Psaltriparus plumbeus 



Mammals 



Citellus mollis Dipodomys merriami nevadensis 



Eutamias pictus Perognathus parvus oUvaceus 



Onyehomys brevicaudus Perognathus nevadensis 



Peromyscus crinitus Sylvilagus nuttaUi grangeri 



Neotoma nevadensis Lepus californicus wallawalla 



Thomomys nevadensis Taxidea taxus 



Beptiles 

 Grotaphytus eollaris baileyi 



The following species are known to breed commonly in Lower 

 Sonoran elsewhere, and occurred at the lower stations visited by 

 the expedition. Definite proof of the breeding of some of them 

 was obtained. 



Species Known to Breed in Lower Sonoean Elsewhere and Probably 

 Breeding in Northern Nevada 

 Birds 

 Tyrannus verticals Carpodaeus mexicanus frontalis 



Icterus bullocki Amphispiza bilineata deserticola 



Mammals 

 Ammospermophilus leucurus Antrozous pallidus pallidus 



Eeithrodontomys megalotis deserti 



Beptiles 

 Uta stansburiana Phrynosoma platyrhinos 



Sceloporus biseriatus Cnemidophorus tigris 



Grotaphytus wislizenii 



