Kkw — A Synopsis of the False-Scorpions of Britain and Ireland. 83 



3. Withius. 



* 13. Ohelifer (Withius) subruber Sim., 1879. 



Cheiridium, 



* t 1. Cheii'idiuui imiseorum (Leach, 1817). 



1 1. Hcmictenodactyli. 

 OBISIIDAE 



Obisium. 

 1. Ideoroncus. 



* t 1. Obisium (Ideoroncus) Cambridgii (L. Koch, 1873). 



S. B'Oncus. 



* f 2. Obisium (Roncus) lubiicum (L. Koch, 1873). 



S. Obisium. 



* t 3- Obisium (Obisium) muscorum Leach, 1817. 

 t 4. Obisium (Obisiuui) Carpeiiteri Kew, 1910. 



* •{■ 5. Obisium (Obisium) maritinium Leach, 1817. 



CHTHONIIDAE. 



Chthonius. 



t 1. Ohthouius Halberti sp. nov. 



* f 2. Chthonius Eayi L. Koch, 1873. 



* 3. Chthonius orthodactylus (Leach, 1817). 



* 4. Chthonius tenuis L. Koch, 1873. 



* -f 5. Chthonius tetrachelatus (Preys. 1790). 



5. List of Books, Papbks, etc., referred to ik the text. 



Fart I. 



1. Koch, C. L. — Die Arachniden, x. Niirnberg, 1843. 



2. Koch, L. — Verzeichniss der bei Niirnberg bis jetzt beobachteten Arach- 



niden. Abhandlungen der Naturhistorischen Gesellschaft zu 

 Niirnberg, vi. pp. 113-198. Niirnberg, 1877. 



3. Simon, E. — Los Arachnides de France, vii. Paris, 1879. 



4. Godfrey, R. — Cheruetidea or False- Scorpions of West Lothian. Annals 



of Scottish Natural History, x. pp. 214-217. Edinburgh, 1901. 



5. Cambridge, 0. P. — On New and Rare British Arachnida. Proc. Dorset 



Natural History etc. Field Club, xxvi. pp. 40-74. Dorchester, 

 1905. 



