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202 



APPENDIX. 



front; closely punctate (the punctures deep and rather coarse), the interspaces minutely punctured. 

 Elytra rotundate- ovate, gibbous as seen in profile, rapidly declivous from a little beyond the middle and 

 produced at the apex; seriato-foveate, the interstices rather broad, uneven, punctulate, and faintly 

 granulate, the third with a conspicuous tubercle at the commencement of the apical declivity, 

 short, the femora unarmed. 

 Length 2^-3^, breadth l|-lf millim. ( 6 $ .) 



Legs 











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Hal. Mexico, " Sierra de Durango " (Edge). 





Two specimens 



of which has been presented to us by Signor Solari 



Very 



different from any of the other forms described in this work, and recognizable by the 



gibbous, closely squamose, finely setose, bituberculate elyt 

 placed near A. tantillus^ 



A. Unodulus must 









PSEUDOMOPSIS (p. 486) 



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Pseudomopsis gibbus, sp 



(Tab. IX. figg. 23, 23 



Short, very convex, subrhomboidal, black, the antennae and the tips of the tarsi ferruginous ; densely clothed 

 with broad, imbricate, brown scales, the elevations on the prothorax and the basal half of the elytra 

 closely set with erect or suberect black or fuscous scales (the surface thus appearing spotted), the 

 interspaces between the dark markings on the elytra variegated with brownish-ochreous, the scales 

 on the scutellum similarly coloured. Eyes separated by rather more than half the width of 

 the rostrum, the latter stout, curved, flattened towards the tip, and about as long as the prothorax ; 

 second joint of the funiculus nearly as long as the first. Prothorax strongly transverse, somewhat 

 conical, abruptly narrowed from the small lateral prominences, which are placed in a line with the two 

 larger, feeble, transverse, nigro-setose elevations on the disc before the middle, the base moderately 

 sinuate, the surface closely punctate. Scutellum small, densely squamose. Elytra much wider than 

 the prothorax, subtriangular, strongly transversely gibbous, abruptly declivous and flattened from about 

 the middle, and with the apices broadly produced ; with rows of coarse, scattered punctures placed upon 

 almost obsolete striae, the interstices broad, 2 and 4 here and there nodose along their basal half, the 

 prominence on 2 at the commencement of the apical declivity the most conspicuous. Legs rather stout ; 

 femora each with a very small tooth ; tarsal claws small, free. 



Length 4, breadth 2^-i 



Hob. Mexico, " Sierra de Durango " {Edge, in coll. Solari). 



Two specimens, one of which has been presented to us by Signor Solari. Larger than 

 P. laticollis, the elytra still more inflated, relatively broader at the base, with more 

 prominent humeri and larg 

 type has the basal half of 



the disc. The 



selected 



sharply spotted and streaked with black 



The 



less sinuate base of the prothorax and the exposed scutellum distinguish P. gibbus 

 from Oxypterus. 





































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OXYPTEKUS (p. 490). 



The generic name Oxypterus (Faust, 1896) is preoccupied, and it has been changed 

 Oxytenopterus by Berg [Com. Mus. Buenos Aires, i. p. 18 (1898)1. 









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