SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 100 



VOLUME 1, PART 4 



CONTRIBUTIONS TO THE BIOLOGY OF THE 



PHILIPPINE ARCHIPELAGO AND 



ADJACENT REGIONS 



REPORT ON THE 



CHAETOGNATHA COLLECTED BY THE UNITED 

 STATES FISHERIES STEAMER "ALBATROSS" 

 DURING THE PHILIPPINE EXPEDI- 

 TION, 1907-1910 



By ELLIS L. MICHAEL 



Of the Scripps Institution for Biological Research, La JoJla, California 



(Oft 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1919 



