Till'; SIIOlM'-WlNdKI) SCAVKNCKH liKiri'LKS. 395 



h. I'liiicturos in dorsiil rows of tliornx four to six in nuinhor. 

 r. Color ill ;:r(';il part black or iiiccoiis. 



(I. Tiiorax and olytra black. lejjs dark reddisli-l)i-own. oI'.simia.m s. 

 (/(/. Thorax and legs reddish-yellow; form very slender. 



7G4. MNKAKIS. 



cv. Color mostly pale; head usually black or picoous. 



e. Abdomen wholly pale; punctures of bead dislinct. coarse and 

 sparse. 

 f, Dor.sal rows of thoracic punctures extending but little behind 

 the middle; form more robust; length 5.5-G mm. 



765. EMMKSTTS. 



//. Dorsal rows of punctures extending nearly to base; form very 



slender; length 4..5-5 mm. 700. fi;sciceps. 



cc. Last two segments of abdomen black; ]>unclures of head very 



niinute and indistinct; length 7-7.5 mm. 707. inuianion-sis. 



hh. runctures in dorsal rows of thorax 8 to 12 in number. 



fl. IMceous black, thorax not paler. 



/(. Head beneath feebly [lunctured. above very sparsely and coarsely 



punctured on the sides ; elytra dark red. 708. gdlaris. 



/(//. Head beneath coarsely and deeply punctured ; elytra piceous. 



legs dull brownish-yellow. 709. obscurls. 



!>!/. Brownish-yellow, head darker; gular sutures deep. 



/. Head very sparsely punctate ; body moderately robust. 



770. HAMATUS. 



it. Head more closely punctate, especially on sides; body very slen- 

 der. 771. PUSILLUS. 



*70;; (2268). Xantholinus cephalls Say, Trans. Amer. Phil. Soc. IV, 

 1834, 452 ; ibid. II, 567. 

 Elongate, slender. Black, shining; elytra and legs reddish-yellow; an- 

 teniue and under surface dark reddish-brown to i)iceous. Head longer th:ni 

 wide, sjtarsely and coarsely punctured above, more finely punctured and 

 alutaceous beneath. Thorax one-half longer than wide, as wide as head 

 in front, gr.adually narrowed to base. Elytra as long as and scarcely 

 wider than thorax, coarsely, shallowly and sparsely punctured. Abdomen 

 finely and very sparsely punctate. I^ength 6.5-7.5 mm. 



VigT) and Posey coiitities: rai'p. Octobfi- T-Deceinliei' 25. Oc- 

 ciii's ])07ieath bark and rnhbish. 



.V. ()]>si(Iiaii}is Molsh.. 6.5 mm. in loncftli. occui's in I'cnnsylvania. 

 and Iowa, and probably inhabits Tndintia. 



764 ( ). Xantiiolinis linearis sjt. nov. 



Linear. Head black, shining; thorax, legs and three basal joints ol 

 anteima^ reddish-yellow; elytra reddish-brown, the margins and epipleura 

 pale yellow; abdomen piceous. Antennae stout, but slightly longer than 

 head, pale brown. Head alutaceous, as long as and wider than thorax, 

 coarsely and evenly puncfcite on sides and base above, sparsely and more 



