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DICGELUS.— ANISOTAESUS. 



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1. Dicoelus flohri. 



" D. flohri oblongo-ellipticus, niger vix nifcidus ; capite minus robusto, collo aBgustiore ; thorace antice 

 paullulum angustato, lateribus vix rotundatis, omnino lsevi; elytris striis omnibus obsoletis, seriebus 

 punctorum suturali et marginali tantum exstantibus, carina humerali brevi, valde elevata 



"Long. 91-10 lin. rf2. 





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Hab. Mexico, San Angel (Flohr)." 



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Subdivision C. Quadripalmati 





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Subfam. ANISODACTYLINM 





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ANISOTARSUS. 







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Anisotarsus, Chaudoir, Bull. Mosc. 1837, vii. p. 41. 

 Eurytrichus, Leconte, Ann. Lye. N. York, iv. p. 287 (1846) 







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As far as at present known, this genus is peculiar to America, North and South. The 

 series of species allied to Harpalus cupri^pennis of the La-Plata basin and H. cequilatus 

 of Chili belong to it ; and the total number of species is very large. 









1. Anisotarsus brevicollis. 







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Anisotarsus brevicollis, Chaudoir, Bull. Mosc. 1837, vii. p. 42. 

 Anisotarsus Iceviusculus , id. ibid. p. 43. 



Hab. Mexico, Alvarez Mountains, San Luis Potosi (Dr. Palmer), near the city (Flohr), 



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Guanajuato, Puebla, Toluca, Orizaba (Salle), Jalapa, Oaxaca (Hoge). 



A very common and widely distributed Mexican species, of elongate, moderately 

 robust shape and black (generally dull silky-opake) colour ; the antennse and legs are 

 black or pitchy brown, with tarsi and extremities of the antennal joints sometimes 

 dull tawny. The elytra are long relatively to the thorax, and rather strongly sinuated 

 towards the apex, which latter is somewhat prolonged at the suture. From typical 

 examples of both species cited above from the Chaudoir collection kindly communicated 

 to me by M. Bene Oberthiir, I find that they offer "no difference, except a very slight 

 one in the outline of the thorax. This part, as is usual in Anisotarsus, Selenophoras, 

 and other genera of H^rpalidse, varies considerably in the degree of curvature of the 

 sides : in some specimens the thorax is strongly rounded a little before the middle, with 



no sinuation near the obtuse hind angles ; and in others it is nearly straight and sinuated 



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before the angles. The elytra also vary a little in relative length. Most examples are 

 dull coal-black ; but others shine with a strong silky lustre, with the thorax glossy. 



An extreme variety, apparently rare, found by Salle at Orizaba and Jacale, is more 

 convex than the type, with relatively larger thorax and obsolete hind angles. One 

 example has raised interstices ; in the other they are flat as in the type. 































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* Bates, " Geodepbagous Fauna of Japan," Trans. Ent. Sac. 1873, p. 258. 



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biol. centr.-amee., Coleopt., Vol. I. Pt. 1, February 1882. 



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