var. _passerinum_.[32] Tail, and stripes on sides, much darker than the back; tail-bands 7 (♂)–8 (♀), not continuous; toes only scantily haired. Wing, 3.50–4.00; tail, 2.50–2.80; culmen, .43–.48; tarsus, .60; middle toe, .55. _Hab._ Western Province of North America. Table-lands of Mexico … var. _californicum_. =B.= Markings on the crown longitudinal and linear. 2. =G. infuscatum.= Tail dark brown, crossed by six to seven non-continuous bands of white, narrower than the dark ones. Above varying from grayish-brown to reddish-umber and sepia. Beneath white, the stripes on the sides grayish-brown or dark brown, like the back. Above dark sepia, or blackish-brown. Tail brownish-black or deep black. Wing, 3.70–3.90; tail, 2.50–2.90; culmen, .45; tarsus, .65–.80; middle toe, .65–.70. _Hab._ Eastern South America … var. _infuscatum_.[33] Above grayish, or reddish-umber. Tail clear dark brown, or grayish-umber. Wing, 3.60–3.90; tail, 2.35–2.75; culmen, .45–.50; tarsus, .65–.80; middle toe, .60–.70. _Hab._ Middle America, from the Rio Grande (probably in Texas) to Panama … var. _gnoma_.[34] 3. =G. ferrugineum.= Tail crossed by seven to nine continuous bands of dark brown and bright rufous, of nearly equal width. Above varying from grayish-brown to bright ferruginous; beneath varying from pure white to pale rufous, the stripes on the sides like the back. Wing, 3.70–4.15; tail, 2.20–2.90; culmen, .45–.50; tarsus, .70–.80; middle toe, .70–.75. _Hab._ Tropical America, from southern border of United States to Southern Brazil. Glaucidium passerinum, var. californicum (SCLATER). THE CALIFORNIA PIGMY OWL. _Glaucidium californicum_, SCLATER, Proc. Zoöl. Soc. Lond. 1857, p. 4. _Glaucidium passerinum_, var. _californicum_ (RIDGWAY) COUES, Key, 1872, 206. _Strix passerinoides_ (not of TEMMINCK!), AUD. Orn. Biog. V, 271, 1831. _Glaucidium infuscatum_ (not of TEMM.!), CASS. Birds of Cal. & Tex. p. 189, 1854.—NEWB. P. R. R. Rept. VI, IV, 77, 1857. _Glaucidium gnoma_ (not of WAGLER!), CASS. Birds N. Am. 1858, 62.—HEERM. P. R. R. Rept. VII, 31, 1857.—COOP. & SUCK. P. R. R. Rept. XII, II, 158, 1860.—COUES, Prod. Orn. Ariz. p. 14, 1866.—CAB. Jour. 1862, 336.—LORD. Int. Obs. 1865, 409 (habits).—GRAY, Hand List, I, 42, 1869.—CAB. Ueb. Berl. Mus. 1869, 207.