MEGADYTES.—CYBISTER. Aq 
Panama I have seen three males, whose tarsi agree in structure with those of Brazilian 
examples. 
2. Megadytes flohri. 
Megadytes flohri, Sharp, Trans. Roy. Dubl. Soc. n.s. ii. p. 709. 
Hab. Mexico, city of Mexico (Flohr), Vera Cruz (Hoge), Cordova (Sallé). 
The females in the small series of this species now before me are all destitute of any 
sexual sculpture, except that in two of them there exist ten or a dozen minute linear 
punctures clustered round the basal puncture of the internal series on the wing-case. 
3. Megadytes fraternus. 
Megadytes fraternus, Sharp, Trans. Roy. Dubl. Soc. n. s. ii. p. 708. 
Hab. GuatemMata, Duefas, San Gerdnimo (Champion).—ANTILLES, Guadeloupe, 
St. Domingo ; Soura America, Demerara. 
4. Megadytes fallax. (Tab. I. fig. 13.) 
Cybister fallax, Aubé, Spec. Gén. vi. p. 54°; Sharp, Trans. Roy. Dubl. Soc. u.s. ii. p. 710. 
Hab. Mexico (Sallé).—Cayenne !. 
This little-known species is represented in Sallé’s collection by a single female 
labelled “ Trogus flavocinctus;” this determination, however, was erroneous, and the 
specimen, a very fine one, agrees with the two other females, these being all that we 
know of the species. 
5. Megadytes obesus.. 
Megadytes obesus, Sharp, Trans. Roy. Dubl. Soc. n.s. ii. p. 710°. 
Hab. Panama}. 
6. Megadytes giganteus. 
Cybister giganteus, Lap. Et. Ent. p.99; Aubé, Spec. Gén. vi. p.46; Sharp, Trans. Roy. Dubl. Soe. 
n.s. u. p. 713°. 
Cybister lherminicri, Aubé, Spec. Gén. vi. p. 47. 
Hab. * Mexico 1, Merida in Yucatan (Sallé); GuateMaLa, San Geronimo (Champion) ; 
Satvapor (Sallé).—Brazit; ANTILLES, Guadeloupe, Antigua, Cuba. 
CYBISTER. 
. Cybister, Curt. Brit. Ent. iv. p. 151; Sharp, Trans. Roy. Dubl. Soc. n.s. ii. p. 918. 
Trogus, Leach, Zool. Mise. ii. p. 70 (1817). 
This important genus is especially characteristic of the eastern hemisphere, where it 
