-( 54 )- 
M. arvensis / Hftflfc^^fet !> • P^WIvlff'fe- ^«I-7-|^y K 
LongchampS jEJ — J/, arvensis var. l< nco>n/.r !7 ^ v K'[p] j$ ^ f£ - — ^ ? <fcWy 
y /R / * ffi N & - 7 fill- m& * ^ =e / 7 a> * M v 7 f}B * * y . ng$£ r y • 
7 9 y- 41 b Ma l>3 Ti%y K£ r 
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?Ly Sir* h y ffl- y ^^^ftt'fe(^-^fe)-±Tffi^^ay 7^1^ 
J/, s^eta / Y^Z>vy =• -y. J-^tft®^ V F\M£- Pit >* life 
«jjgK-^JSiP*gjg). PflJiy^^- ^ */j?r t*^=e -JM^-f 
^P-Rflfet y- Tffiy fir*? 9 y =efS!*£y-. P^y^IJy Q 
jfc&y ^*y Wtfk (Alpheraky ft ^ 3 /k) 
1. Total length 730-900 mm. (28.70-35.40 in. 1 , biggest 905 mm. (in 
one case only). 
2. Culmen £ 55-67 mm. (2.16-2.63), $ 56-71.5 mm. (2.20-2.81), 
longest 72 mm. (2.83 in.) — in the Turkestan £ ( m one case only). 
3. Greatest depth of lower mandible, seen from without, with bill shut 
6-8 J mm. (0.23-0.33 in.). 
4. Breadth of bill opposite middle of nasal apertures 20-22^ mm. (0.78- 
0.88 in.). 
5. Depth of bill (of both mandibles ', opposite middle of nasal apertures 
24-26 mm. (0.94-1.02 in.). 
6. Depth of bill at base of both mandibles 30-33 mm. 1.18-1.29), largest 
34 mm. (1.33 in.) — in the Turkestan speciemen (in one case only). 
7. Number of teeth on each side of upper mandible 24-28, and only in 
one case 23. 
8. Wing 410-190 mm. (16.10-19.20 in.), rarely 500 mm. 
9. Expanse up to 1620 mm. (64 in.), usually somewhat less. 
10. Tarsus about 66-73 mm. (2.59-2.87 in.). 
11. Weight from 7 \ to 11 Russian lbs. 
