306 Mr. R. I. Pocock on the 
Subfam. 2. Iscunurint = Ischnuride, Sim., — Euscorpius and 
Belisartus. 
Ischnurus, Opisthacanthus, Opisthocentrus, Cheloctonus, 
Chiromachus, Hormurus, Iomachus. 
Subfam. 3. DreLocENTRINI= Diplocentrini, Karsch, + Nebo, 
Diplocentrus, Oiclus, Nebo (Cyphocentrus). 
Subfam. 4. HmMiscorprini, nov. 
Hemiscorpius. 
Subfam. 5. UropAcINI, nov. 
Urodacus (Iodacus), ? Ioctonus. 
Fam. Il. Turide. 
Subfam. 1. Iurt1= Lurini+ Vejovoide, Thor. 
Scorpiops, Iurus, Uroctonus, Anwroctonus, Vejovis, 
Hadrurus, Caraboctonus, Hadruroides, 
Subfam. 2. Co#rivini= Iurinz, Karsch, in part. 
Cherilus. 
Subfam. 3. CHACTINI. 
a. Huscorpius. 
b. Chactas, Hadrurochactas, Heterochactas, Teuthraus- 
tes, Broteochactas, Broteas. 
Fam. U1. Bothriuride, Sim.,= Telegonide auct. 
Bothriurus, Brachistosternus, Mecocentrus, Cercopho- 
nius, Timogenes, Thestylus, Urophonius, Phonio- 
cercus. 
Fam. IV. Buthidz, Sim. 
Prionurus, Buthus, Parabuthus, Grosphus, Butheolus, 
Archisometrus, Isometroides, Uroplectes (Lepreus, 
Tityolepreus), Tityobuthus, Pseudobuthus, Isome- 
trus, Tityus, Centrurus, Heteroctenus, Ananteris, 
Charmus, Heterocharmus, Stenochirus. 
Family Scorpionide. 
The feet furnished with a single anterior pedal spur. 
Sternum large, pentagonal. 
Halves of the genital operculum united in the ? , separated 
in the @. 
Stigmata elongate, narrow. 
A single row of teeth on each digit of the chelicerae. 
Subfamily Scorrzowzar. 
Median eyes not in front of the middle of the carapace, 
sometimes very much behind the middle; three lateral eyes 
on each side. 
be 
