U. S. NATIONAL MUSEUM 



BULLETIN 152 PLATE 170 



1 . 2. HEXAPANOPEUS SINALOENSIS iP- 398|. 3, 4. H. ORCUTTl (P. 397). 5.6. H. PAUL- 



ENSIS (P. 395) 



For explanation cf flate see page 584 



