224 
Psyche 
[September 
Figs. 41-57. B. craniifer ( Giganteus Group). 41-46. Adult males (scale 
=: 10 mm). 41. (USNM), Cordoba, Mexico (det. as B. trapezoideus by 
Rehn). 42. (N). 43. (USNM), Rancho Qemado, Rt. 85, Mexico. 44. 
(USNM), Teapa, Tabasco, Mexico. 45. (USNM), Key West, Florida. 
46. (N). 47-57. L2d and prepuce (all to scale shown in Fig. 51). 47. 
(USNM), Mexico (from specimen shown in Fig. 41). 48. (USNM), Mexico 
