North American Coleopterous Insects. 177 



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tinguished from that species, by having two horns on the 

 head. The variety resembles C. ammon^ Fabr., ana- . 

 glypticuSy Nob., in the thoracic sculpture. 



AphodiuSj Illig. 

 1. A. innexus. Black; elytra with a dull yellowish 



margin. 



Inhabits Mexico. 



Head widely emarginate before, punctured ; disk con- 



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vex iinpunctured : antennm cinereous at tip : palpi 

 honey-yellow : thorax punctured, excepting on the disk, 

 anterior margin and middle of the lateral margin ; mar- 

 gin, at the anterior angles, obsoletely dull honey-yellow : 

 scutel impunctured: elytra with impressed, very regularly 

 crenate striae, exterior and terminal margins rather pale 

 honey-yellow ; this color dilates towards the tip, and is 

 deeply undulated on the inner edge: feet honey-yellow. 



Length less than one fourth of an inch. 



About the size of A* dter^ Fabr. 



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2. A. servaL Black ; elytra dull whitish, with black 

 spots. 



Inhabits Indiana. 



Body piceous black, punctured : head widely emargin- 

 ated before, and with a dull rufous margin : thorax with 

 a dull rufous lateral margin: elytra yellowish white, with 

 seven or eight subquadrate black spots, and a lateral, ab- 

 breviated, black, double, confluent vitta : with slender 

 punctured striae ; interstitial lines flat, impunctured. 



Length over three twentieths of an inch- 



Very closely allied to the inqidnatus^ Fabr-, and re- 

 sembles also A- contaminatus y Fabr., but the clypeus is 



much more deenlv pmflrorinatfid. and Is acutelv ansiilated 



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