AND EASTERN NEW MEXICO. n 



§§ Pygidio vix granulato, baud carinato ; 



ovato-rotundatus, supra graiiulatus praticola. 



rotundatus, supra baud grauulatus abrasus. 



b. Prothorax pleuris margine versus angulum anticum tuberculo nuUo (pro receptione 



pedum parum concavis). 

 * Clypeo 6-dentato, dentibus externis parum prominulis ; 



rotundatus, ater, granulis depressis parcis obsitus simplex. 



** Clypeo 4-deutato, dentibus internis acutis ; 



rotundatus, nitidus, nigro-cyaneus, punctulatus cyanellm. 



B. Protliorax pleuris linea transversa a coxis procedeute notatis, autice pro receptione 

 pedum subito declivibus ; (clypeus dentibus iuternis obtusis reliquis obsoletis). 



thorace punctato, elytris subopacis (cupreus, vel viridis) viridis. 



thorace fortius punctato, elytris nitidis punctulatis perplexus. 



The species in the above synopsis, not before mentioned, are : — 



C. depressipennis. A black, or greenish black species found in Georgia, resem- 

 bling very closely C ehenus, and only differing from that species by the body being 

 less oblong, the thorax less suddenly rounded on the sides, and the granulations of 

 the upper surface more minute. Long. -30 — "SS. 



C. abrasus. A small rounded dull black species, from Georgia, with the eyes 

 broader than usual, having no visible sculpture on the head and thorax, and very 

 feebly granulate on the elytra, which are depressed in the scutellar region : the 

 strire are very indistinct, the pygidium not granulate. Long. '24. 



C. cijanellus. A shining, very dark blue rounded species found in Texas, and 

 given me by Mr. Ulke, having the clypeus oblique on the sides, and 4-dentate in 

 front, the middle teeth being narrower than in the other species ; the thorax is 

 very minutely punctulate, much rounded and almost angulated on the sides, with 

 a fovea remote from the margin opposite the widest part; the elytra are feebly 

 punctulate, obsoletely striate, impressed at the scutellar region. Pygidium dull, 

 obsoletely punctulate. Margin of the prothorax beneath without the small tubercle 

 usually seen near the anterior angle. Long. '37. 



Synonyms to be observed are : — 



C. loivis: ScarabcPus Imvls Drury, Oliv. ; Scaraba;us volvens Fabr. ; Ateuchus 

 vohens Fabr. ; Scarabaius pilularius % De Geer. Coprohius obtusidens Ziegler, is a 

 slight variety of this species. 



C. viridis : Copris viridis Beauv. ; OntJiophagus viridicaius Say. Ateuchus obso- 

 letus Say, is a copper-colored variety of this species, which is more frequently found 

 on leaves than in any other situation. Chevrolat (Ann. Ent. Soc. France, 2d ser. 

 X, 632) refers Beauvois' species to Onthopharjus, but I do not see anything in the 

 figure or description to warrant such a reference. 



Ateuchus probus Germ., Ins. Nov. 98, probably belongs to this genus, but I do 

 not know any species that agrees with the description. 



]?IEIiA]¥OPHIL,A EsoH. 



Itt. iniranda, nigra, Kuesceus, subtiliter dense punetulata, capite guttis quinque politis, circulo 

 positis, thorace guttis quatuor anticis (intermediis maioribus), altera utrinque pone medium, 

 liueaque dorsali postica nitidis tevigatis; elytris margine basique tenuiter rubris, lineisque flavis 

 decussatis ornatis. Long. 65. Tab. II, fig. 7. 



