AMERICAN PHILOSOPHICAL SOCIETY. 545 



obtusely sinuous; abdomen, terminal and anal segments above 

 punctured. 



Length less than half an inch. 



This species is closely allied to the A. cseniis Say, and its form 

 is perhaps still more like that of an Amara in being more obtuse 

 and robust. It is much larger and more rounded behind. It 

 was taken in Mexico by William Bennett, and was presented to 

 me by Mr. Maclure. 



2. A. BALTIMORIENSIS Say, (Ilarpalus) Trans. Amer. Philos. 

 Soc. J Dej. Spec. — A very bad name, a.s the species is found as 

 well in Indiana as in Baltimore ; but it is a specific name, and 

 therefore unchangeable. 



3. A. RUSTicus Say, (Harpalus) Trans. Amer. Philos. Soc; 

 Dej. Spec; A. meru/us? Germar. 



{^A. menda is quite different. — Lec] 



4. A. CiENUS Say, (Harpalus) Trans. Amer. Philos. Soc; De- 

 jean Spec. 



5. A. AQRICOLUS Say, (Harpalus) Trans. Amer. Philos. Soc. ; 

 Dej. Spec. [432] 



6. A. cARBONARius Say, (Harpalus) Trans. Amer. Phil. Soc. 



7. A. L.ETUS ? Dej. — An insect is found in this vicinity which 

 I have referred, but very doubtfully, to the Ixtus. Its characters 

 correspond to the description, but if it be indeed the same a very 

 important character must be added. My specimen is a male. 

 The alternate interstitial spaces are cupreous, and the remaining 

 part is green. It has a very much dilated, slight indentation 

 behind the middle of the elytra, and a smaller one nearer the tip. 



OPHONUS, Zeigl. 



0. iNTERSTiTiALis Say, (Feronia) Trans. Amer. Philos. Soc 

 Since described by Dejean under the name of Ilarpalus ohsruri- 

 pennis. 



HARPALUS Latr. 



1. H. VULPECULUS Say, Trans. Amer. Philos. Soc. — Since 

 described by Dejean under the name of ni(jn'prnnis. It differs 

 however from his description, by having an impres.sed puncture 

 1834.] 35 



