Forficulide and Chelisochidex, families of Dermatoptera, 121 
TABLE OF SPECIES OF HPARCHUS. 
1. Forcipis bracchia supra processu verticali 
clavato-obtuso armata . . . . . . 1. insignis, Haan. 
1.1. Foreipis braechia ¢ supra dentibus 
acutis armata,®.vel inermia. 
2 Abdomen lete nitens. 
3. Corpus valde elongatum ; «neo-ni- 
tens ; forceps valde elongatus, vix 
APCHALUS Men als PAE. . 2. nevilli, Burr. 
3.3. Atra, haud seneo-nitens; forceps 
valde arcuatus . . . . . . 3. lugens, Borm. 
2.2. Corpus innitidum. 
3. Statura minore(6mm.) . . . . . 4. minuseula, Dohrn. 
3.8. Statura majore (10-13 mm.). 
4, Colore castaneo. 
5. Forceps inermis, valde curvatus 5. dux, Borm. 
5.6. Forceps valde dentatus. . . 6. asculapius, Burr. 
4.4, Colore atro. 
5. Pronotum albo-limbatum ; elytra 
innitida. 9.05.) 3) .) .)'.T) shelfordi, Burr. 
5.5. Pronotum totum atrum ; elytra 
Mitidw 8s ets). 8, emma, Burr: 
Opisthocosmia bogotensis, Rehn, will probably fall into 
this genus. 
Genus 2.—SKALISTES,* nov. gen. 
Pedes breves, femoribus incrassatis ; segmentum anale declive 
attenuatum ; abdomen lateribus haud tuberculatis, 
The type is Forficula lugubris, Dohrn., Stett. ent. Zeit. 
xxiv, p. 230, (1862), from Mexico. 
This is formed for F/. Jugubris, Dohrn., which was formerly 
placed in Yorficula in spite of its striking resemblance to 
certain species of Opisthocosmia; in the attenuate anal 
segment, it approaches that genus. 
F. metrica, Rehn, appears to be a macrolabia variety of 
FP. lugqubris. 
Genus 3.—RHADAMANTHUS, nov. gen. 
Abdomen subcylindricum, haud depressum; segmento ultimo 
transyerso, haud declivi; forceps elongatus, ¢ superne cristatus ; 
* Gr. ocadorns = weeder, 
