— ( 63 ) — 
7 I> 59 nun. r D . "pft/ - H».5 
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ll, i!f. myeftmi t* =€ -X <> ji£fi - f 1' t v ? #!J ^ f ■ SS 483 mm - - * 7 M l ' 
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425-450 - 
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iflj ^ 7 Aipheraky j£c=. 3 A'-iHI'" 776-825 mm. (30.50-32.40 in.) ?' y I- . |-. / 
1. Total length •••776—852 mm. 
2. Culmcn (52-72 mm. 
3. Greatest depth of lower mandible with shul bill 10-12 mm. 
4. Wing •■• 425-495 nun. 
Tail up to 144 mm. 
(i. Tarsus (54—89 mm. 
7. Middle toe with claw 89-91 mm. 
8. Middle toe without daw 71—75 mm. 
9. Number of teeth on eaeh sideof upper mandible 20—25. 
10. Number of tail feathers 16. 
M. arvmsis sibiricus 1- IHH?" !> • Jfci$ L*< b h -■ 7 ') 7 *. Boganida 
* t 9 US**'* / ^JS|S||R 9 • jfij ^ 7 Taezanowski £ / WftE&jgfm'l* 
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