U. S. NATIONAL MUSEUM 



BULLETIN 158 PLATES 



Amphiascus dactylifer. New species 



a, Female, dorsal; 6, female urosome, lateral, showing spermatophore; c, female, fifth leg; d, female, 

 first leg; e, male, first antenna;/, male, first leg; g, male, second leg: h, male, fifth leg. 



