416 CLAVICOrxNIA — HISTERIDAE. 



B B. Sutural stria on elytra entire, slightly 

 recurved at base. 

 Oval. Black, shiny. Lateral stria on thorax entire, 

 distinct ; elytra with first dorsal stria reaching middle, rest 

 entire ; snbhumeral depression not deep, with one furrow, 

 punctured ; anterior tibiae with six teeth ; propygidium 

 ditliisely, pygidium a little more closely punctured. L. 

 2| 1. Scarce. ff- marginatus, Er. 



2, Lateral stria on elytra al)breviated at each end. 

 Oblong. Black, shiny. Lateral stria on thorax, entire, 

 curved inward at base ; elytra with sutural stria not reach- 

 ing middle, first and second dorsal striae still sliorter, outer 

 three dorsal striae entire ; subhumeral depression veiy 

 sliallow, with one furrow, scarcely punctured ; anterior 

 tibiae with four teeth ; propygidium and pygidium rather 

 closely and strongly punctured. L. 2| 1. Scarce. 



H. sterco7-arius, E. H. 



B, Elytra without any lateral stria. 



a. Thorax with two lateral striae on each side. 



I. Anterior tibiae with three teeth, apical one bifid. 



1, Outer lateral stria on thorax short ; each elytron 

 with a large red spot, commencing longitudinally 

 at base and bent transversely behind middle, 

 leaving outer margin black. 



Oval. Black, shiny; elytra as above. Inner lateral 

 stria on thorax entire ; elytra with sutural stria aljbreviated 

 from middle, first and second dorsal striae very short, indis- 

 tinct, outer three entire, fourth bent outward in middle ; 

 subhumeral depression with two furrows, impunctate ; 

 propygidium diffusely punctured at margins, pygidium 

 rather closely punctured. L. 3J 1. Eare. 



H. sinnatus, 111. 



2. Both lateral striae on thorax nearly entire ; each 

 elytron with two red spots, one at shoulder, the 

 other oblique in middle, sometimes united. 



Oval. Black, shiny; elytra as above. Elytra with 

 sutural stria extremely short, first and second dorsal absent, 

 outer three dorsal entire but the third indistinct behind ; 

 sul)humeral depression with two furrows, impunctate; 

 propygidium dilfusely punctured, pygidium scarcely punc- 



