Occasional Papers of the Museum of Zoologx 39 



impressed fine lines which branch and in part anastomose like 

 those on the collum. Covered portion of prozonite with the 

 usual wavy transverse striolations. 



Scobina ending on the twenty-third segment. 



Last tergite without transverse sulci ; with an acute cylin- 

 drical Cauda produced well beyond the valves and distally a 

 little curved upward. Anal valves with mesal margins com- 

 pressed and elevated as usual. Anal scale smooth, caudal 

 angle obtuse, sides convex caudally and straight anteriorly. 



Number of segments, 43 to 44. 



Length, 54 mm. ; width, 8.5 mm. 



Colombia : San Lorenzo. Among fallen leaves at 2,000 

 feet, July 14, 1913. and under leaves at 4.200 feet. July 15, 

 1913. One female at each locality. Holotype. ^L C. Z.. 5.1 12. 



The body of this form is usually thick in proportion to its 

 length. 



Rhinocricus amblus, sp. nov. 

 PI. 16. Figs. 106-108 



Body dark, the exposed portion of the prozonites dark 

 bluish to brownish, the metazonites mostly abruptly darker, 

 deep brown, excepting a narrow, pale caudal l)order. Covered 

 portion of prozonites pale, with a network of darker lines. 

 Segments often paler below adjacent to legs. Head ferrugi- 

 nous excepting for a dark subquadrate mark between the eyes, 

 the vertex covered w^th a network of dark lines and a similar 

 network at the sides of and below the dark mark. Collum 

 sometimes ferruginous, with network of darker lines. Legs 

 and antennae ferruginous. Last tergite and anal valves dark, 

 excepting a narrow, pale border on each side of the tergite, 

 the Cauda wholly dark, ^^'hen dr}' the body mav appear essen- 

 tially black excepting for the pale caudal border of each 

 segment. 



