BUBONID^. 33 



tail 8.S0-10.50, tarsus 2.85-3.25, middle toe i. 20-1. 55. Hah. Whole of North America, 



southward ; accideutal in Hawaiian Islands. ( No specimens in the Museiim. ) 



58. C. hudson'ius (Linn.). Marsh Hawk. 



Gknus BTJTEO CrviER. 



Upper parts, back, head and upper tail coverts blackish brown ; secondaries and 

 wing coverts like the back ; all with paler margins, and with some tawny rusty ; throat 

 white; sides of breast brown mottled with white; black shafts to all the dark feathers; 

 abdomen, tibia and under tail coverts white with faint brownish markings; cjuills 

 blackish above ; from the notch to the base of inner web white with faint brownish bands 

 varying in size and extent ; tail, general color brownish with bands of smoky brown and 

 dull ash-gre^-. Female: Larger and similar (one specimen shows indistinct bands of 

 brownish and tawny on the wing coverts and back ). Yonug: Darker above, more rustj- 

 edgings to the feathers of the sides and back of the neck; throat with narrow shaft 

 stripes; breast and under parts with more brown than white; thighs brown with rusty; 

 under tail coverts whitish with cross bars of brown slightly edged with ochraceous 

 rusty. Length about 15.50. Measurements taken from three specimens: Wing 9.50, 

 10.60, 11.75; tail 5.50, 5.60, 6.40; tarsus 2.60, 2.30, 2.60; culmen i.io, 1.25, 1.30; toe 

 1.90, 1.75, 2.10. (The last set of measurements are from the female.) Hah. Hawaii. 

 PI. XXVI., 5521. 59. B. solita'rius'^ Pe.\le. Hawaiian Hawk, Io. 



Family BUBONI'D^.— Owls. 



iiOlltS. 



Charaders as given for the family (Page 33. ) Asio. 



Ge-nus A'SIO Brisson. 



Light bands on quills less than ten in number; under surface of quills barred 

 across with brown ; tips entirely brown ; face more or less fulvescent with brownish 

 black ; ear tufts short ; ground color varying in individuals from tawny ochraceous to 

 buffy white relieved by dark brown stripes; wings mottled with dusky and ochraceous; 

 tail ochraceous and buffy ; outer feathers lighter. Yonug: Above dark sepia brown, the 

 feathers broadly tipped with buff ; face uniform brownish black ; lower parts wholly 

 plain dull buffy tinged with smoky greyi.sh anteriorly. Hab. Hawaiian. Islands. The 

 following measurements seem to justify the separation sub-specifically of the Hawaiian 

 form from the larger North American bird: 



Sex. Length. 



B. P. B. Museum No. 9,835. S 13-25 



No. 10,067. 9 14.00 



No. 1,284. — 14.25 



No. 9,272. S 14.00 



PL XXVI., 9835. 60. A. accipitri'nus s 



34 There are some uncertain references to -Paudiov miamu,," which are with difficulty reconciled with Ihe habits of the species -iven 

 above. A fish-hawk (Painiion) mav vet be taken in the group. 



35 To correspond with the form usually adopted sutidic'irlictisis is changed to sandiicnnn. 



Memoirs B. P. B. Museum, Vol. I., No. 3-— j- L2o9J 



