ROLAND HAYVVARD. 49 



least two foreign species, slmilata and ovata, have the middle tibia; 

 pubescent on the inner side. I have not detected tliis character in 

 any of those in our fauna. 



It is hoped that the following table will assist in the recognition 

 of our species : 



Scutellar stria terminating in an ocellate puncture at base 2. 



Scutellar stria not terminating in an ocellate puncture at base 3. 



2. AntenniB with the third joint not carinate above. 



Thoiax deeply emarginate at apex, the anterior angles prominent; legs 

 piceous or rufopiceous, tibite and tarsi paler. Length .28-. 40 inch. 



36. iinpuncticolliM Say. 

 Thorax broader, less deeply emarginate at apex ; legs darker. Ijength .29- 



.33 inch 37. littoralis E.'jch. 



Antennse with the third joint carinate above. Length .30-. 38 incli. 



38. fallax Lee. 



3. Prosternum of male without deep puncture at middle 4. 



Prosternum of male with a deep puncture at middle; stri;e of elytra inipunc- 



tate ; anterior and middle femora with numerous setigerous punctures 

 along the inner margin, the posterior with two; antennae with joints 

 2-3 not carinate above. 



Base of thorax punctured. Length .35-. 50 inch 34. insigilis Dej. 



Base of thorax not punctured. Length .37-. 45 inch. .35. insularis Horn. 



4. Antennje with joints 2-3 not carinate above 5. 



Antennae with joints 2-3 carinate above 8. 



5. Base of thorax and elytral striae impunctate or at most obsoletely punctured ; 



body beneath impunctate 6. 



Base of thorax, elytral striae, sides of metasternum, metasternal episterna and 

 sides of first three ventral segments punctured ; front and hind femoia 

 with two, the middl* with three setigerous punctures along the inner 

 margin. Length .28-.34 inch 39. basillaris Say. 



6. Thorax at least one-half wider than long, emarginate at apex ; all the femora 



with two setigerous punctures along the inner margin 7. 



Thorax but little wider than long, apex very feebly emurginate; bind angles 

 sharply rectangular. Length .32 inch. .. -44. briiiiiiipes Motsch. 



7. Terminal spur of anterior tibise stouter than usual ; thorax narrowing from 



basal angles to apex, rather feebly emarginate at apex ; posterior lat- 

 eral seta distant from side margin ; form broad, robust. Length .29- 



.36 inch 40. craMsispiiia Lee. 



Terminal spur of anteiior tibiae normal. 



Thorax narrowing from basal angles to apex, nearly twice as wide at base as 

 apex, apex very deeply emarginate, posterior lateral seta distant from 

 side margin, hind angles rectangular; head small ; form very convex ; 

 legs rufous. Length .32 inch 4L parviceps n. sp. 



Thorax narrowing from in front of base; head normal. 



Hind angles of thorax obtuse, the posterior lateial .seta distant from side 

 margin and much nearer the basal; legs piceo-rufous. Length .26-. 33 

 inch 42. ciipreolata Putz. 



TR.\NS. AM. KNT. SOC. XXXIV. (7) M.ARCH. 1908. 



