Having obtained the approximate length of a bird, look for it on the following pages. Compare the bird before you with the half-tone and colored illustrations, and, if necessary, the written description:—
| 3-5 inches... | Pages | [14], [121], [123], [124],
[131], [133], [142]-145, [153], [155],
[166], [167], [169], [179]. |
| 5-7 inches... | " | [13], [15], [22], [23], [26],
[27], [44], [49], [89], [110], [111],
[120]-125, [127], [129], [131], [142],
[144]-146, [151], [152], [155], [168]-172,
[177], [178]. |
| 7-9 inches... | " | [13], [15], [17], [18], [27],
[31], [42], [43], [45], [47]-49,
[89], [102]-107, [109], [125], [129],
[131], [145], [147], [150]-152, [154],
[169]-173, [176], [177], [186]. |
| 9-11 inches... | " | [17], [18], [24], [25], [31],
[40], [43], [44], [49]-51, [61],
[102], [103], [107], [109], [127]-129,
[131]-133, [145], [148], [149], [151],
[170], [171], [173], [175], [187]. |
| 11-13 inches... | " | [28]-30, [34], [43], [46], [49],
[80], [82], [83,] [93], [101],
[102], [105], [107], [109], [130],
[149], [175], [187a], [187b], [188a], [188b]. |
| 13-15 inches... | " | [17], [18], [23], [25], [28],
[29], [35], [43], [45], [47], [80],
[83], [85]-88, [91], [92], [100],
[101], [103], [107], [126], [127,]
[149], [174], [175], [188]. |
| 15-17 inches... | " | [18], [23], [28], [29], [45]-47,
[64], [65], [67], [73], [82], [85],
[91], [93], [189]. |
| 17-20 inches... | " | [16], [23], [25], [27], [28],
[35], [40], [41], [43], [61], [63],
[65], [67], [73], [82], [83], [91],
[93], [104], [105], [149], [188],
[189]. |
| 20-23 inches... | " | [35], [41], [45], [51], [61],
[63], [66], [67], [72], [73], [81],
[91], [188]. |
| 23-25 inches... | " | [13], [25], [41], [45], [60],
[61], [65], [69], [81], [82], [84],
[85], [90], [111]. |
| 25-30 inches... | " | [25], [33], [41], [53], [60],
[65], [67], [69], [89], [112]. |
| 30-35 inches... | " | [29], [32], [33], [53], [60],
[63], [69], [71], [81]. |
| Over 35 inches... | " | [12], [31], [32], [51], [52],
[62], [68], [70], [71], [81], [112]. |