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CKATOCEKTJS.— PLATYNTJS. 



91 



l. Cratocerus sulcatus. (Tab. IV. fig. 18.) 



sulcatus, Chaudoir, Bull. Mosc 



Eab. Mexico \ Cordova (Salle). — South America to S. Brazil 



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Subfam. ANCHOMENINM 



Dr. Horn, in his recent treatise on the Carabidse, has made known a character which 

 seems effectually to distinguish this family (Platynini of American entomologists) from 

 the Pterostichinge, thus supplying a desideratum which has been felt by systematists 

 from the days of Dejean and Erichson downwards. It is drawn from the subapical 

 margin of the elytra, which in the Anchomeninee is continuous, and in the Pterostichinge 

 interrupted, the severed apical portion of the margin continuing as a sharp ridge along 

 the under surface of the elvtra. It is true that there are indications of the ridge in the 



AnchomeninaB ; but it is faintly elevated, and not distinctly continuous with the apical 



part of the margin. Both subfamilies are well represented in the faunas of temper; 

 latitudes, and have been the subject of an immense amount of descriptive literature 



Europe and North America. 



CALATHUS 



Calathus, Bonelli, Obs. Ent. i. 1809, tabl. synopt. 



M 



M. Putzeys, in a recent monograph of Calathus and the allied genera, has described 

 82 species of true CalatM. With the exception of a few found in temperate North 

 America, and the following in Mexico, all belong to the Palaearctic fauna. The Medi- 



terranean subprovince seems to be their head quarters 



1. Calathus ovipennis. (Tab. IV. fig. 20.) 



Mono 



Hdb. Mexico \ Capulalpam, San Antonio de Arriba (Salle) 



2. Calathus mexicanus 



Mosc. 1837, no. 7, p. 20 ; Putzeys, Monogr. d. Calatbides 



p. 61. 



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Hdb. Mexico, Jacale (Salle), Guanajuato (Duges, coll. Salle), Las Vigas, Oaxaca 



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{Edge) 







PLATYNUS 



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Platynus, Bonelli, Obs. Ent. i. 1809, tabl. syn. ; Dejean, Sp. Gen. Col. iii. p. 96. 



Rhadine, Leconte, Geod. Col. U. States, p. 46. 



Anchomenus, Bon. (partim), Schaum, Ins. Deutscb. Col. i. 1, p. 403. 



To the definition of this genus given by Dejean may be added — metathoracic 









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