206 Dr. Guy A. K. Marshall on 



produced and inconspicuous, the humeral angle distinct 

 and rounded. 



31. (36) Elytra not transversely wrinkled throughout, interval 3 



costate. 



32. (33) Forehead with a transverse depression; elytra consti'icted 



at extreme base, the line between the external and 

 humeral angles being sinuate, striae 3-6 regular, the 

 posterior declivity steep (80°) . lajoyei Bovie (1907). 



33. (32) Forehead not transversely depressed; elytra constricted 



at the base, striae 3-6 irregular, the posterior declivity 

 much flatter (35^). 



34. (35) Elytra regularly jjunctate- striate, except in striae 3-6 in 



which the punctures are quite irregular; the extreme 

 lateral mai-gin and the spaces between intervals 3 and 7 

 covered with metallic green scales, the latter space 

 interrupted near the middle by a transverse bare costa. 

 qiiadriviUatus Kirsch (1889). 



35. (34) Elytra rugosely and irregularly reticulate, clothed through- 



out with submetallic green scaling, but with interval 3 

 strongly elevated and bare, and interval 7 slightly so in 

 the middle only caudatus, sp. n. 



36. (31) Elytra with strongly raised ii-regular transverse ridges 



thi'oughout, interval 3 not costate . corrugatus, sp. n. 



37. (28) Mandibular scar placed at the end of a very long peduncle. 



pedunculali's, sp. n. 



38. (27) Intervals 3, 5 and 7 of the elj'tra distinctly and evenly 



carinate throughout equator ius, sp. n. 



Exorides praeteritus, sp. n. 



Exorides earinafus Ollif! {nee Pasc), Wliymper's " Travels 

 amongst tlie Great Andes," Suppl. App., 1891, p. 65, 

 fig. 



(J. Integument black, the pronotum and elytra with grey scaling 

 in the more depressed areas, the ridges being bare ; the elytra with 

 a moss-like growth of rust-red filaments around the tuliercles at the 

 top of the declivity, and an elongate patch of the same nature 

 beneath the shoulder; the legs Avith dense scaling, and the sides 

 of the sternum and venter thinly squamose. 



Head shinj', with faint minute punctures and a few larger ones, 

 each containing a short recumbent seta; the forehead broadly 

 impressed in the middle and with a deep median fovea. Roslrum 

 about as long as broad, parallel- sided in the basal half, dilated at 



