20 



TRAVELS AMONGST THE GREAT ANDES. 



?}'i. C. diopsin, n. sp. 



Hah. Pic-liinclia (14-15,000 feet). 



Intermediate between ('. j:»{feoZ«.s- and C. sfmo, ^onie examjili,-^ almost 

 Ijiidging ovei' tlie difference between the two. But tlie el}'tra instead of 

 being rather bi'oadly ovate as in 0. piccolus are narrow oldong-ovate almost as 

 in C. steno. It may be distinguished fi'om G. steno by the elytral shoulders 

 being somewhat distant from the angles of the thorax ami the striae being 

 distinetly punctulated as in G. inceolus. Length, 8-8^ millim. 



34. G. steno, n. sp. 



Hah. Cayamlie (15,000 feet), Pichincha (14-15,500 feet). Fourteen 

 examples. 



G. inceolo alhnis sed niidt(_) angustior. Gracilis, castaneo-fuseus, palpis 

 antennis ]iedil)us(|ue rufi(iril)us : capite anguste ovato, post oculos tumido 



rotundato-angustato, collo parum depresso : 

 thorace cor dato-tpad rate postice valde si- 

 nuatc) fere constricto angulis exstantibus 

 acutis, margine laterali postice reflexo-ele- 

 vato : elytris elongato - ovatis, plica basali 

 integi'a parum arcuata, humeris a thorace 

 distantilius apice oljtuse rotundatis, punc- 

 tulato-striatis, striis 5-7 sulitilioribus :^ tar- 

 sis articulo 4^'^ emarginato, posticis angulo 

 exterioii elongato acuto, articulo 5*'' haud 

 ciliato. 



Long. 7-10 millim. 

 Var. G. retentus. 



Hah. Cayambe (15,000 feet). Two ex- 

 amples. 



Differs from the ty])e only in the sides 

 of the thorax continuing straight, or parallel from the sinuation to the hind 

 angle, the latter remaining acute as in the tj^^jical examples. Long. 10 millim. 



35. G. hclwriduK, n. sp. 



Hah. Between Antisanilla and Pinantura (11,000 feet). One example. 



G. riuedo (Dej.) c[uoad formam similis et affinis, sed minor collocpie ci'asso. 

 I*aullo gracilior, elongato-ovatus, castaneo-fuscus, palpis antennisque rufioi'ibus : 

 capite subtriangiilari, collo lato crasso, mox pone oculos transversim leviter 

 depresso : thorace sat late subcordato-quadrato, ante basin subsinuato, angulis 

 posticis rotxmdatis : elytris convexis, ajjice obtusis parum sinuatis, humeris 

 subrectis, acute i)unclulato-striatis, interstitiis planis tertio impunctato : tarsis 



COLl'ODES STENO, BATES. 

 CAYAMBE &. PICHINCHA. 



