ORNITHOLOGY 
OP THE 
STfiAITS OF GIBRALTAR. 
LIEUT.-COLONEL L. HOWARD L. IRBY, F.Z.S., 
H.-P. I.ATE SEVENTY-FOURTH IIIGFUANDERS, 
MEMBER OP THE BRITISH ORNITHOLOGISTS' UNION. 
' Fluiuiua amo sylvasqiie inglorius." 
LONDON: 
PUBLISHED BY R. H. PORTER, 
6 TENTERDEN STREET, HANOVER SQUARE. 
1375. 
