The Pseudoscorpions of South Africa. 125 



closely placed teeth. The fingers of both specimens are distinctly 

 curved. I suppose that both examples belong to one and the same 

 species, that mentioned above. 



Synoptic Key 



to the South African species of Chthoniiis, based chiefly on the 

 dentition of the palpal fingers. 



No teeth Ch. natalensis. 



Teeth present 1. 



1. Movable finger with undulatory lamella Ch. mordax. 



Movable finger with no undulatory lamella 2. 



2. The teeth are dentated Ch. serratidentatus. 



The teeth not dentated 3. 



3. Movable finger with no teeth, fixed finger with slender 



teeth, and large interstices Ch. Godfreyi. 



Both fingers with teeth 4. 



4. Teeth of same kind on both fingers, triangular, pointed, 



with large interstices Ch. eontntctiis. 



Teeth very small, closely placed 5. 



5. Fingers nearly straight Ch. clitthnitii*. 



Fingers distinctly curved Ch. siindttus. 



BIBLIOGEAPHY. 



1. BALZAN, L. 1831. Voyage de M. E. Simon au Venezuela 



(1887-1888). 16 e mem. Chernetes 

 (Pseudoscorpiones). Ann. Soc. ent. 

 France, vol. 60. 



2. ELLINGSEN, BDV. 1895. Description d'une espece nouvelle de 



1'ordre des Chernetes. Bull. Soc. 

 Zool. France, vol. 20. 



3. 1905. On a Pseudoscorpion from Congo. 



Boll. Zool., etc., Torino, Nr. 

 496, vol. 20. 



4 1906. Eeport on the Pseudoscorpions of the 



Guinea Coast (Africa) collected by 

 Leonardo Fea. Ann. Mtis. Civ. 

 St. Nat. Geneva, vol. 42. 



5 M 1906. On some Pseudoscorpions from Japan, 



collected by Hans Sauter. Nyt 

 Mag. f. Naturvid., Christiania, 

 Bd. 45. 



