SYNOPSIS OF NORTH AMERICAN MYRIAPODA. 235 



M. melanonotus. Light orange, with two broad, irregular, blackish bands, from the 

 head to the penultimate segment, involving nearly the whole dorsum. Pairs of feet 

 about 50. 



Gen. Geophilus. 



Cephalic segment subquadrate. Prebasal segment coalesced with the basal. Posterior 

 margin of the basal segment much longer than anterior. 



Q. cejphalicus. Anterior portion of the body obscurely orange ; the posterior olivaceous. 

 Feet 48 pairs. 



Var. 1 — Feet 51 pairs. 



0. Icevis. Orange ; with a double, blackish, anteriorly obsolete, dorsal line, terminating 

 rather abruptly at the penultimate segment. Feet 53 pairs. 



G. brevicomis. Deep orange. Cephalic segment small, sparsely subprofoundly punc- 

 tate. Antennte rather short. Pairs of feet 55. 



Q. bipuncticeps. Orange. Cephalic segment large, copiously profoundly punctate. 

 Antenna; rather long. Feet 61 — 63 pairs. 



Gen. Strigamia. 



Cephalic segment small, generally subtriangular, narrowed anteriorly. Body anteriorly 

 attenuate. 



G).roi of last pair of legs impressed ivith little pit*. 

 S. bothriopus. Bright red. Pairs of feet 50. 

 S. Walkeri, Orange. Pairs of feet 64. 

 S. bidens. Orange. Pairs of feet 76. 



Coxce of last pairs of feet not pitted. 



S. fulva. Pairs of feet 47. Cephalic segment subtriangular. 



S. chionophila. Pairs of feet 43. Cephalic segment subquadrate, medianly canaliculate. 



S. IcBvipes. Pairs of feet 69. Head rather large. 



S. parviceps. Pairs of feet 71. Head small, impunctate. 



S. cephalica. Pairs of feet 75. Head large, impunctate. 



S. maculatieeps. Pairs of feet 77. Head obscurely red and minutely maculate witli 

 white, rather small. 



S. laticeps. Pairs of feet 81. Head large, impunctate. Length, 3 inches. 



S. epileptica. Pairs of feet 81. Head rather small, minutely maculate with white. 

 Length, 5 k inches. 



#. tceniopsis. Pairs of feet 141. 



