8 



or end of May, and on the lower Petschora Seebohm received the first 

 eggs on May 30. Period of incubation about 18 or 19 days. 

 Measure- Average size of 100 typical examples 41.2x29 mm. (Key). Ab- 



ments. normally long eggs measure 52.7 X 30.2 mm. (Lapland, Newton coll.) and 

 52 X 32 mm. (N. Uist, A. W. Johnson coll.); Max. breadth 42.2 x 33 mm. 

 Dwarf eggs measure 34x26.5 (Tring Museum) and 35 X 24.3 mm. (J. Sand- 

 man) but the Minima of 100 eggs are 38.2 x 28.7 and 40.5 X 27.5 mm. 

 (Rey). Average weight 1.224 g. (Rey). 



Geographical Races. 



a. European Hooded Crow, C. cornix comix L. (See above). 



b. Sardinian Hooded Crow, C. cornix sardonius Kleiusch. 



Local Names: Sardinia: Corroga hraxia or harza, Corronca. 



C. cornix sardonius Kleinsch. Hartert, Vog. Pal. Fauna, p. 10. 



Breeding Range: Sardinia and Corsica. 



Wharton found this race very common in Corsica, nesting in low 

 trees near swamps. First eggs taken on April 12. Whitehead found many 

 nests after April 26. Eggs 4 — 6 in number, rather dark in colour, some 

 markings being almost black. Average (12 eggs) 44.34x29.58 mm.. 

 Max. 48.5 X 30.7 mm., Min. 40.9 x 28.2 mm. 



[In west Siberia C. c. sharpii Gates replaces the typical race, and in 

 Persia and Mesopotamia C. c. capellaniis Scl. 9 eggs of the latter sub- 

 species average 43.68X29.17 mm. (Fao, Feb. and Mar.)] 



3. Carrion Crow, Corvus coroue L. 



Plate 3, fig. 1—10 (Germany). 



Eggs: Thienemann, Fortpfl., Tab. XL, fig. 1 a — g {C. cornix and 

 a corme). Hewitson, L Ed. I, pi. XCI; IL Ed. I, pL XLIX, fig. 1; III. Ed. 

 I, pi. LVIII, fig. 1. Baedeker, Tab. 34, fig. 1. Taczanowski, Tab. XXVII. 

 Seebohm, Br. Birds, pi. 16; Col. Fig., pi. 55. Frohawk, Br. Birds, pi. VII, 

 fig. 233—236. 



British Local Names: England: Crow, Black-, Corbie-, Gor- or 

 Midden- Crotu. Welsh: Bran. Scotland: Black Huddie or Hoodie, Blackneh. 

 Gaelic: Frannag. 



Foreign Names: Bohemia: Vrdna cernd. Denmark: Sort, Holsteensk 

 or Bavne Krage. Fseroes: Hjaltlands Kraoaka. France: Corneille noire, 

 Corheau. Friesland: Krie. Germany: Bahen- or Scliwarze Krdhe, Babe, 

 Krdge, Kroe. Helgoland: Swart Kreih. Holland: Kraai. Hungary: Fekete 

 Yarju. Italy: Corneilla nera, Corbatt, Cornacchia nera. Iceland: Krdka. 

 Luxemburg: Knob. Poland: Kruk ivroniec. Portugal: Oralha, Corvo. Russia: 



