. The fauna of British India, including Ceylon and Burma . Fig. 4.—Head of C. Fig. 5.—Foot of C. coronoidcs. Burma, from which it may be found necessary to separate them;they agree with tliese, however, in their very heavy bills. As so much of the material for examination in museums isunsesed, it has been very difficult to draw conclusions frommeasurements. It must be remembered, however, that femaleson the whole run smaller than males and certainly have smaller,slighter bills. Although non-migratory birds and in their wilder CORY us. 27 haunts keeping to very restricted areas, th
. The fauna of British India, including Ceylon and Burma . Fig. 4.—Head of C. Fig. 5.—Foot of C. coronoidcs. Burma, from which it may be found necessary to separate them;they agree with tliese, however, in their very heavy bills. As so much of the material for examination in museums isunsesed, it has been very difficult to draw conclusions frommeasurements. It must be remembered, however, that femaleson the whole run smaller than males and certainly have smaller,slighter bills. Although non-migratory birds and in their wilder CORY us. 27 haunts keeping to very restricted areas, the races which havetaken to scavenging cities and villages for food probably travelover very wide areas in the non-breeding season and the result ofthis habit is that we are often faced with conflicting measurementsfrom the same locality. It is most noticeable in the geographical races of this Crow thatthe eggs are more easily differentiated than the birds themselves. (5) Corvus coronoides levaillanti. The Indian Jungle-Crow. Corvus levaillanti Less., Traite dOrn., p. 328 (18ol) (Beng
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