U. S. NATIONAL MUSEUM 



BULLETIN 100. VOL. 6. PART 6 PL. 81 



The Philippine Species of opisthoporus 

 1, Opisthoporus quadrasi, subspecies ?; 2, 0. g. turturiiiganus, new subspecies; 3, 0. q. busuangensis, new sub- 

 species; 4, 0. q. quadrasi Crosse; 5, O. q. palawanensis, new subspecies; 6, 0. quadrasi, subspecies ?. 



