Christmas, S. k. 1963 2 Catalogue 6 june Hidden Forest, 7,000 ft., Sheep Range, Clark Co., Nev. 955 ♂ ad Carpodacus cassinii testes 10x8 mm., no fat wt. 27.5 gm 956 ♂ ad Sitta pygmaea testes 5x3 mm., no fat wt. 10.0 gm 957 ♂ ad Carpodacus cassinii testes 8x5 mm., little fat, wt. 27.1 gm 7 june Hidden Forest Canyon, 7,000 ft., Sheep Range, Clark Co., Nev. 958 ♀ ad Myadestes townsendi broad patch, ova 3 mm., wt. 39.5 gm 959 ♀ ad Junco caniceps ?broad patch, ova 1 mm. wt. 18.1 gm 960 ♂ Phalaenoptilus nuttalli moderate fat testes 7x5 mm., wt. 48.0 gm 961 ♂♀ " " fat; ova 3 mm. wt. 53.2 gm 962 ♀ ad Wilsonia purria no fat; ova -1 mm. wt. 7.0 gm 963 ♀ ad " " slight fat; ova -1 mm. wt. 7.8 gm 964 ♂ ad Psaltriparus minimus no fat, testes 4x2 mm. wt. 3.4 gm 965 ♂ Phalaenoptilus nuttalli fat testes 5x7 mm. wt. 50.4 8 june Hidden Forest Canyon, 8,000 ft., Sheep Range, Clark Co., Nev. 966 ♀ ad Parus gambeli no fat; ova -1 mm. wt. 10.7 gm 967 ♀ ad Hylocichla g. slight fat, broad patch, ova 3 mm. wt. 28.0 968 ♀ ad Empidonax moderate fat, ova 1 mm. wt. 11.6 gm 969 ♀ ad Sitta pygmaea. slight fat, broad patch, ova 1mm., wt. 10.6 gm (970 ♂ ad Certhia f. slight fat, testes 6x4 mm. wt. 23 gm Hidden Forest Canyon, 7,500 ft., Sheep Range, Clark Co., Nev. 971 ad ♀ Sialia mex. broad patch, ova 1 mm., slight fat wt. 23.5 gm 9 june 972 ♂ ad Junco caniceps slight fat, testes 9x6 mm. wt. 20.1 973 ♂ ad Regulus no fat, testes 6x4 mm. wt. 5.9 974 ♂ ad Vireo gilvus no fat, testes 7x5 mm. wt. 10.0