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ADEPHAGA. 



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Anchomenus cyanopis (p. 94). 



To the localities given add : — Northern Sonora (Morrison). 



Morrison's numerous examples are of a clearer blue than those from Mexico city. 

 He labelled them erroneously as Platynus funebris, Lee. 



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2 (a). Anchomenus xanthocnemis. 



A. moesto affinis, sed thorace magis quadrato, transverso ; supra paullo lsetius seneus, nitidus; palpis, antennis et 

 pedibus nigro-piceis, femoribus (apice infuscatis exceptis) trochanteribusque fulvo-rufis ; thorace trans- 



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versim quadrato, postice perparum angustato, lateribus vix rotundatis, angulis posticis obtusissimis fere 

 rotundatis, margine haud vel vix perspieue elevato, fovea basali lata, laevi ; elytris punctato-striatis acute 



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Long. 4 lin. 



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Hab. Mexico (Salle). 



insculptis, interstitiis sat planis, tertio tripunctato, apice sat profunde et oblique sinuatis ; tarsis 4 posticis 

 lateraliter sulcatis, supra lsevibus nitidis. 



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One example only. 



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Belongs quite to the boreal type of the genus Anchomenus (§ Agonum) ; but it differs 

 from all Old-World and North-American species known to me. 











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4 (a). Anchomenus cyclifer. 



\ anthracino (Dej.) affinis; differt colore toto nigro subnitido, thorace magis circulari, elytris profundius 

 striatis interstitiis paullo convexis ; antennarum scapo obscure piceo. 



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Long. 5 lin. $ . 





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Hab. Mexico, near the city (Flohr). 



A. anthr acinus varies considerably in the outline of the thorax, which is more or less 

 rounded on the sides and sometimes nearly circular ; there is, however, always conspi- 

 cuous an elongate fovea on each side of the base, which exists also in A. cyclifer. The 

 number of punctures on the third elytral interstice also varies from three to five, and 

 the striae at the apex differ much in their mode of termination ; but the prevailing form 

 is the continuation of the seventh and eighth to near the sutural angle, which is also 

 the character of A. cyclifer. The new species differs, nevertheless, conspicuously in the 

 deeper striae and more convex interstices. 



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6 (a). Anchomenus placidus. 



Feronia placida, Say, Trans. Am. Phil. Soc. ii. p. 43 (1823). 



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Agonum morosum, Dej. Sp. Gen. Col. iii. p. 145 (1828). 



Platynus placidus 9 Leconte, Bull. Brooklyn Ent. Soc. ii. pp. 49, 57. 



Hab. North America. — Mexico, Northern Sonora (Morrison). 



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13. Anchomenus ovatulus, n. sp. 



A. dominicensi primo intuitu similis, latius ovatus elytrisque subtilius striatis. Nigro-pieeus, nitidus, thorace 



castaneo, elytris olivaceis, antennis et pedibus testaceo-rufis ; capite ovato, oculis minus prominentibus[; 

 thorace late ovato, fere orbicularis angulis posticis omnino rotundatis, anticis vix productis, margine 

 laterali sequaliter sat late explanato, lsevi ; elytris breviter oblongo-ovatis apice perparum sinuatis, plica 

 basali arcuata integra, subtiliter striatis, interstitiis planis, tertio tripunctato; metathoracis episternis 





biol. centr.-amer., Coleopt., Vol. I. Pt. 1, July 1884. 



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