1164 SUPPLEMENT. 



105. Iassus? sanctus. 



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

 Indiana. 



106. Iassus? verticis. 



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

 Missouri. 



107. Iassus? novellus. 



lassus novellus, Say, Journ. Acad. Nat. Sci. Philad. vi. 309, 8. 

 Indiana. 



108. Iassus? irroeatus. 



lassus iiToratus, Say, Journ. Acad. Nat. Sci. Philad. vi. 308, 7. 

 Pensylvania, Indiana, Missouri, Florida. 



109. Iassus? clitellarius. 



lassus clitellarius, Say, Journ. Acad. Nat. Sci. Philad. vi. 309, 8. 

 Indiana. 



110. Iassus extremus. 



Ferrugineus ; caput suhtus piceo varium, inter oculos albidum ; 

 pectoris discus niger ; abdomen supra nigricans ; femora basi 

 nigra ; alee posticce limpidcB. 



Pale ferruginous : head and chest thickly and minutely punc- 

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

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

 bread ih; 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 1^ line ; of the wings 3 lines. 

 a. Europe. Presented by M. Goureau. 



