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acuminatis; fronte convexa foveis duabus rotundis impressa; oculis parum prominentibus, collo sat crasso 



transversim depresso ; thorace fere sicut in G. transfuga, subcordato, antice et medio rotundato, ante basin 



valde sinuato-angustato, angulis posticis paullo productis acutis sed basi juxta angulos obliquato, basi 

 utrinque fovea profunda, brevi, marginibus angustis reflexis ; elytris ovatis, convexis, utrinque punctis 

 tribns discoidalibus parvis sed distinctis ; tarsorum articulo 4° lato sat valde emarginato, posteriorum 4 



articulis l°-3 m bisulcatis, sulcis fere dorsalibus. 



6i lin. 



Hob. Mexico, Tenancingo (Flohr) 



A handsome ebony-black species, with deeply striated, almost sulcated elyt 



The 





usual dorsal punctures are much smaller than in C. transfuga 



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A 

 la 



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the 





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9 (a). Colpodes minimus. (Tab. XIII. fig. 17.) 



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G. nugad (neglecto, Chaud.) affinis, sed differt thorace multo latiore angulisque posticis obtusissimis fere rotun- 

 datis. 





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iEneo 



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oralis parum prominentibus ; antennis relative curtis, robustis ; palpis apice angustatis, subacuminatis ; 

 thorace subovato postiee magis quam antice angustato, angulis posticis fere rotundatis ; elytris sat grosse 

 striatis, interstitiis paullo convexis, 3° tripunctato, apice oblique nee profunde sinuatis ; metathoracis 



episternis brevibus et latis ; tarsorum articulo 4° lato, emarginato. 





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Hob. Mexico, Jacale (SalU). 



Belongs to the same group as C. moestus, and similar at first sight to 

 allies. It differs from all these in the form of the thorax, which has very obtuse 



r 



almost obliterated, hind angles. 



C. nugax 



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11 



Colpodes petil 







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C. conciso (Bates = anguloso, Chaud.) proxime affinis et similis ; differt statura majore, thorace prsecipue latiore, 



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ulis 







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margine laterali sat late ab apice usque ad basin explanato-reflexo, rufescenti ; palpis, labro, antennis 



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rufis 



lin 











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Hab. Mexico, Las Vigas (Edge 











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C. concisus, C. suffectus, and C, 



losely allied that one is tempted 







consider them 



inly of one and the same species. They are of the same 



pitchy-brown colour (slightly aeneous on the elytra), with pale tawny 





legs ; similar oval head (rather shorter than in C. nugax and simplicior and fuller 



behind the eyes) and similar 



lytra, with fine striae and perfectly fiat 



But the differences in the outline of the thorax are too great for mere 

 such as we are accustomed to find existing between allied species in 



this 



g 



and 



notwithstanding 



the thorax varies a little in each supposed species, being 



broader or narrower, with the hind angles more or less acute, it seems better to distin 

 guish the three prevailing forms by separate specific names. 











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