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L 



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ADEPHAGA. 



279 



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elytrorumque marginibus fulvo-testaceis) ; f oveis frontalibus punctif ormibus profdndis ; thoraee quadrato, 

 versus apicem rotundato-angustato, postice minus angustato nee sinuato, angulis posticis obtusis, basi 

 sparsim subgrosse punctata, foveis linearibus ; elytris apice obtuse conjunetim rotundatis, vix sinuatis, 

 eleganter punetulato-erenato-striatis, interstitiis planissimis ; tarsis posticis bisulcatis. 

 Long. 3-3± lin. c? 5 . 







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Eab. Mexico, Cordova, Yolos (Salle), Las Vigas (Edge), Acambaro (Flohr) ; Panama 





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Tole (Champion). 

































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This species is more closely allied to L. opaculus from the Amazons than to the 

 Mexican L. infimus. The elytra have the same dull (often opaque even in the male) 

 lustreless surface in both species ; but L. opaculus differs conspicuously in the sides of 

 the thorax being sinuated before the hind angles, and in the latter being slightly salient 

 and rectangular as in L. injlmus. 



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CALATHUS (p. 91 ). 











Calathus ovipennis (p. 91). 



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This species differs from the typical Calathi in the prosternal process being without 





marginal rim at the apex ; in which it agrees with the genus Pristodactyla. 



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3. Calathus fuscus. 





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Calathus fuscus j Fabricius, Syst. El. i. p. 191; Dej. Sp. Gen. Col. iii. p. 71 





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Hob. Mexico (SalU). 



One example, without special locality, in the Salle collection belongs to this common 

 European species. 











4. Calathus 



2 





Hob. Mexico, Guanajuato (Duges, coll. SalU). 

















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One example, so nearly resembling the North- American C. gregarius (Say) that 1 



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hesitate to consider it as more than a slight southern variety of that species ; it has 

 the same peculiar elongate parallel-sided thorax, the margins of which, however, are 



distinctly less explanate-reflexed. The colour 

 is red. 



the same 



spt that the thorax 











PLATYNUS (p. 91). 





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4. Platynus chihuahuae, n. sp. 



Elongatus, niger, subopacus ; antennis tarsisque rufo-piceis ; capite gracile ovato, oculis haud prominentibus i 

 thorace ovato angiitis posticis omnino rotundatis, anticis sat productis; elytris elongato-ovatis, basi 

 ntrinqne valde sinuatis humerisque acntis, margine laterali explanato-elevato, apice oblique sinuatis, dorso 

 sat convexo, acute striatis, interstitiis alutaceis planis, 3° tripunctato. 

















Long. 5|-6| lin. <? $ . 



Hah. Mexico, Chihuahua (Hepburn). 













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9 



Resembles species of Colpodes allied to C. biovatus, but the fourth tarsal joint 















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