ANAT/Dy^. 19 



or less with brownish gr&y. Length about 12.50, wing 6.25, tail 2.45, culmen 1.15, 

 tarsus 1. 12, toe 2.00, depth of bill .60. Hab. North America. Maui.'^ 



31. C. albe'ola (Linn.). Buffle-head. 



Genus CHEN (Keii) Boie. 



Adult with the luJiolc head and at least part 0/ the nec/c ivhite as ivell as the re- 

 mainder of the plumage, except the primaries and their coverts ; bill a deep purplish 

 (in life) with a white nail; primaries black. Young: Head, neck and upper parts pale 

 greyish, the feathers of the latter with whitish edges, and striped medianall}' with 

 darker, especially wing coverts and tertiaries ; rump, tail coverts, tail and lower parts 

 plain white. Length 23.00-28.00, wing 14.50-17.00 (16.36), culmen 2.55-2.70, tarsus 

 2.80-3.25 (3.01), middle toe 2.00-2.50 (2.34). Hab. Western America, breeding in 

 Alaska, migrating south. Hawaiian Islands. (No specimen in the Museum.) 



32. C. hyperbofe'us''' (Paee.). I^esser Snow Goose. 



Genus BRANTA Scopoei. 



Bill and feet entirely black at all ages ; tail coverts white ; tail and quills uni- 

 form black; upper parts brownish, the feathers with lighter tips. 



a. Head partly zvhite.^ a white triangular patch on the cheek usually meeting 

 on the throat; lower parts deep brownish or brownish grey (often not much paler 

 than the upper parts) abruptly defined against the white of anal region; (stnaller size, 

 zuing less than 16.00, culnieii less than 1.2^;^ tail feathers usually 14 to 16 in number. 

 Length 23.00-25.00, wing 13.60-14.00, culmen .95-1.15, tarsus 2.40-2.75. Hab. Pacific 

 coast of North America, breeding at Norton Sound, south in winter. Hawaiian Islands.'' 



33. B. canaden'sis minima Ridgw. Cackling Goose. 



aa. Head entirely black; middle of the neck encircled by a broad white collar, 

 interrupted only behind; no chestnut on the breast; upper tail coverts very long; 

 upper parts nearly uniform dark sooty brown ; lower parts dark sooty slate, not dis- 

 tindlly if at all contrasted with black of chest, but abruptly defined against white 

 of anal region. Young: Similar to adult but collar indistinct or obsolete ; the larger 

 wing coverts broadly tipped with white. Length 22.00-29.00, wing 12.70-13.50, cul- 

 men 1. 20-1. 35, tarsus 2.20-2.50. Hab. Western Ardlic America, south in winter along 



the western Pacific coast. Maui.'^ 



34. B. nigricans (Lawr.). Black Brant. 



Genus NES'OCHEN Salvad. 



Head and throat black, ivhich color extends a little beloiv the eve and down the 

 neck ; side of neck tawny buff, becoming lighter towards the lower parts ; upper sur- 



15 The specimen from which the above is taken is one in the St. Louis College cabinet. Brother Alfred, the curator, informs me it was 

 taken on Maui by Brother Matthias during- his sojourn there. 



16 Hon. Walter Rothschild (through Palmer) in lilt.: also adds A user albifrons ;;ambcli (Hartl.) from Hawaii. 

 "Hon. Walter Rothschild, In liu, Kauai. 



IS Specimen in St. Louis College cabinet taken on Maui by Brother Matthias ; also Hon. Walter Rothschild, in lilt. 



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