COEYUS. 



21 



a". Plumage intensely black, feathers of 

 hind neck firm and glossy with 



glistening shafts C. corone, p. 24. 



b". Plumage not so black, feathers of hind 

 neck soft and decomposed with in- 

 conspicuous shafts C. coronoides, p. 25. 



b'. Lower plumage intensely glossed with 

 blue and purple, bill slender, face of 



adults bare C. fruyilegus, p. 30. 



b. Hind neck grey or ashy, contrasting witli 

 black crown. 



c '. Wing exceeding 300 mm C. comix, p. 32. 



d'. Wing never as much as 300 mm. 



c". Chin and throat deep black contrasting 



with breast C. splendent, p. 32. 



d". Chin and throat grey like breast .... C. monedula, p. 36. 



Corvus corax. 



Key io Subspecies. 



A. Plumage glossy black, the brown tint if 



present almost imperceptible. 



a. Wing averaging about 420 mm. Bill about 



71 mm. Throat-hackles short C. c. laurencei, p. 21. 



b. Wing- averaging about 500 mm. Bill about 



81 mm. Throat-hackles long C. c. tibetanus, p. 23. 



B. Plumage very brown on neck, upper back and 



scapulars C. c. ruJicoUis, p. 23. 



(i) Corvus corax laurencei. 

 THE PUNJAB EAVEN. 



Corvus laurencei Hume, Lah. to Yark., p. 235 (1873) (Punjab). 

 Corvus corax. Blanf. & Gates, i, p. 14 (1889). 



Vernacular names. The European Raven Domlcdk, Doda 

 (Hind, in the N.W.) ; KargJi (Candabar). 



Description. Entirely black, glossed with, steel-blue, purple 

 and lilac ; the throat-hackles short and not very conspicuous. 



Colours of soft parts. Iris brown ; bill and legs shining black. 



Measurements. Length from about 600 to 620 mm. ; wing 

 from 400 to 440mm. ; tail about 240mm.; tarsus about 60 mm. ; 

 culmen about 64mm. to 75 mm. 



Distribution. Punjab, Bombay, United Provinces and N.W. 

 Provinces, and a rare straggler into Kashmir and Central India. 

 It occurs also in Sind, but in the X.E. of that province the 

 Brown-necked Eaven takes its place. 



Outside of India the Punjab Eaven is found through Baluchis- 

 tan, S. Persia, Mesopotamia, Southern Asia Minor and Northern 



