some undescrihed Gicadidfe. 61 



the opercula are small, slightly sinuated ou their posterior 

 and lateral margins. 



Long., excl. tegm., ^ 29, ? 27-29 millim. ; exp. tegm., 

 S 94, ? 85 millim. 



Hah. Colombia, Manaure (F. Simons) ; Bogota. — Vene- 

 zuela. 



Tympanoterpes Bergij sp. n. 



Head and thorax above thickly covered with ochraceous 

 pile and wholly ochraceous, excepting a few lineate marks 

 at base of head ; the fissures, a central spot near the base 

 of the pronotum, a spot at angles of the posterior margin 

 to same, and a central spot to the cruciform elevation, black. 

 Abdomen dark castaneous, the rudimentary tympanal 

 coverings black. Head beneath, sternum, opercula, and legs 

 thickly pilose and ochraceous in hue ; coxal spots, apices of 

 the femora, basal annulation to the fore and intermediate 

 tibiae, bases of the tarsi, and margins of the opercula paler 

 in hue ; apices of the tarsi fuscous ; abdomen castaneous, 

 anal appendage ochraceous on each lateral area. 



Tegmina and wings pale hyaline, the venation ochra- 

 ceous, inclining to fuscous. Tegmina with the costal mem- 

 brane ochraceous, containing a black central line ; base of the 

 upper vein and the terminal vein to basal cell, basal claval 

 margin, outer edge of terminal vein to radial area, and spots 

 on the longitudinal veins to the second, third, and fourth 

 ulnar areas, black ; transverse veins at the bases of the first, 

 second, third, fourth, fifth, and seventh apical areas very 

 darkly infuscated ; a series of longitudinal fuscous lines in 

 some of the apical areas and a marginal row of very dark 

 fuscous spots ; wings with the abdominal area margined with 

 fuscous and with its base ochraceous, containing a black 

 line. 



The transverse vein at the base of the second apical area 

 to the tegmina is only moderately oblique ; the rostrum 

 reaches the posterior coxsb ; the opercula are wide apart at 

 their inner basal angles, but almost meet at their inner apical 

 angles, their outer margins are moderately convex, and tlieir 

 lateral margins slightly sinuate. 



Long., excl. tegm., c? 24 millim. ; exp. tegm. 72 millim. 



Hah. Argentine Republic [Bercj), 



A species to be recognized by the ochraceously pilose head 

 and thorax and by the well-marked tegmina. 



