H. Chr. C. Mortensen. 
1856—1921. 
By 
R. H. Stamm. 
When Mr. Mortensen, formerly Lector at the cathedral college 
of Viborg, died, a little more than 12 months ago after several years 
of failing health, he most likely was recalled by many as an early 
member of our society. I am sure, however, that only few were 
aware that by his decease Danish ornithology had lost a member 
whose name was known far beyond the horders of our country, 
and that the main work of his life, the investigation of the travel- 
ling routes of the migratory birds through ringing, had already 
many years ago proved its usefulness and been adopted, in an 
astonishingly short time, in practically all places where the study 
At denne Biografi undtagelsesvis fremkommer paa Engelsk, skyldes, at 
Mortensens Skrifter om Ringmærkningen paa en enkelt Undtagelse nær 
er affattet paa Dansk, og at man har ønsket over for Udlandet at frem¬ 
hæve hans Betydning paa dette Omraade. 
