SUPPLEMENT. 



105. Iassus? sanotus. 



lassus sanctus, Say,Journ. Acad. Nat. Sci. Pkilad. vi. 307, 5. 

 Indiana. 



106. Iassus? verticis. 

 lassus verticis, Say, Joum. Acad. Nat. Sci. Philad. vi. 308, 6. 

 Missouri. 



107. Iassu.s? noveuds. 



lassus novellus, Sai/, Joum. Acad. Nat. Sci. Philad. vi. 309, 8. 

 Indiana. 



108. Iassus? ibrokatus. 



lassus irroratus, Say, Joum. Acad. Nat. Sci. Philad. vi. 308, 7. 

 Pensylvania, Indiana, Missouri, Florida. 



109. Iassus? clitellaeius. 

 lassus clitellarius, Sai/, Joum. Acad. Nat. Sci. Philad. vi. 309, 8. 

 Indiana. 



110. Iassus extremus. 



Fernigineus; caput subtus piceo varium, inter ocilos albidum ; 

 pectoris dixcus niger ; abdomen siipra nigricans ; femora hasi 

 nigra ; al(£ posticoe timpidce. 



Pale ferruginous : head and chest thickly and minutely punc- 

 tured : head flat, almost triangular, narrower than the chest, hardly 

 concave alonp the hind border ; its length a little less than half its 

 breadth ; underside whitish between the eyes ; face and epistoma 

 mostly pitchy : chest almost flat ; shield with a slight longitudinal 

 ridge: disk of the breast black: abdomen blackish above: thighs 

 black towards the base : fore-wings thickly punctured from the base, 

 to the tips, reticulated towards the tips : hind-wings colourless. 

 Length of the body li line ; of the wings 3 lines. 

 a. Europe. Presented by M. Goureau. 



