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KHYNCHOPHOEA. 



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Hab. Panama, Volcan de Chiriqui 8000 feet (Champion). 



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One pair, found under bark, in June 1882, in the bamboo-thickets at the highest 



point reached by the present writer on the slope of the Volcan de Chiriqui. Larger 



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and broader than the other American species referred to Rhinanisus, the rostrum 



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considerably widened towards the tip in the male, the antennse inserted nearer its base, 



the anterior coxa? a little less approximate. 



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2. Ehinanisus ventralis, sp. n. (Tab. I. fig. 14.) 



Very elongate, narrow, depressed, moderately shining, finely alutaceous, varying in colour from piceous to 

 ferruginous, the rostrum, antennae, and legs constantly ferruginous, the head and prothorax often 

 blackish and darker than the elytra ; clothed when fresh with a very fine scattered pubescence, which is 

 more distinct on the lower than on the upper surface, the elytra with some conspicuous fine, semierect, 

 pallid, setiform hairs at the apex. Head (the globose basal portion excepted) closely and somewhat 

 coarsely punctate ; eyes small ; rostrum slender, slightly widened towards the tip, feebly curved, about 



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as long as the prothorax, sparsely punctate, the antennae inserted at the middle in both sexes. Pro- 

 thorax as long as broad, slightly rounded at the sides, narrowed and strongly constricted in front, 

 closely punctate. Elytra very elongate, slightly wider than the prothorax, subparallel for about three- 

 fourths of their length ; closely punctate-striate, the interstices narrow and each with a row of minute 

 scattered punctures, which become more distinct on the apical declivity. Beneath closely, finely 

 punctate ; ventral segments 1 and 2 broadly silicate down the middle in the tf . Tarsal joints 1 and 2 

 slender. 

 Length 2^2^, breadth £-£ millim. ( <J $ .) 



Hab. Guatemala, El Tumbador, Las Mercedes, Cerro Zunil, Senahu (Champion). 



Sixteen specimens, all but one from the Pacific slope and from elevations between 

 2500 and 5000 feet. Very variable in size and colour, and mainly distinguishable by 

 the closely and coarsely punctured black head, and the conspicuous pallid setiform 

 hairs on the apical portion of the elytra. The single ( 6 ) example from Senahu is 



larger and darker than the others, and has the elytral interstices more distinctly 









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uni seriate-punctate ; it has, however, the ventral segments 1 and 2 sulcate, as in the 



typical males from Cerro Zunil. 



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3. Ehinanisus planatus, sp. n. (Tab. I. fig. 15.) 



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Yery elongate, narrow, strongly depressed, moderately shining, finely alutaceous, castaneous, the eyes and the 

 exposed portion of the head black, the under surface piceous, the apex of the elytra and the under 

 surface clothed with a few fine hairs. Head (the globose basal portion excepted) closely and somewhat 



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coarsely punctate ; eyes small ; rostrum slender, feebly curved, cylindrical, about as long as the 

 prothorax, very sparsely punctate laterally, smooth along the centre, the antennae inserted just behind 



the middle. Prothorax as long as broad, rounded at the sides, narrowing forwards and strongly 



constricted in front, closely punctate. Elytra very elongate, flattened, subparallel for nearly four-fifths 

 of their length ; closely punctate-striate, the interstices narrow, faintly uniseriate-punctate. Beneath 

 rather sparsely, somewhat coarsely punctured. Tarsal joints 1 and 2 slender. 

 Length 2f— 2f , breadth |-f millim. ( $ ?) 



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Hab. Panama, Pena Blanca 3000 feet (Champion). 



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Two specimens. A very elongate form allied to R. centralis, with the rostrum a 



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