238 Mr. R. T. Pocock on the Species of 



One of them gives the following measurements in milli- 

 metres : — Total length 87; length of carapace 13, of tail 52, 

 of hand- back 9*5, of movable digit 21; width of hand 8. 

 Both specimens have 22 pectinal teeth on each side, and the 

 colour is a uniform reddish brown, the crest on the cliche 

 being black. 



Opisthophthalmus macer, Thorell. 

 (PL X. fig. 5.) 



Opisthophthalmus maccr, Thorell, op. cit. p. 236. 



A single male example from Zulu country, S. Africa 

 (G. F. Angas), giving the following measurements: — Total 

 length 86 ; length of carapace 12, of tail 51 ; width of hand 9 ; 

 length of hand-back G'5, of movable digit 16*5. There are 

 16 peclinal teeth on each side. The chela? are testaceous, 

 except for the black crests and granules and digits, and the 

 maxillary processes of the first and second legs are deep 

 black. 



Opisthophthalmus latimanus, 0. Koch. 

 Opisthophthalmus latimanus, C. Koch, Die Arachn. viii. p. 65. 



Two female examples from Murchison Range, Transvaal 

 {C. B. Jones). The largest of these measures in milli- 

 metres as follows : — Total length 99 ; length of carapace 

 16*5, of eyes from posterior margin 5 ; length of tail 48"5, of 

 hand-back 9, of movable digit 16 ; width of hand 13. 



Both specimens possess 15 pectinal teeth on each side, and 

 the colour, like that of 0. austerus, is a reddish brown, paler 

 on the legs, hands, and anterior region of carapace. 



Opisthophthalmus calvus, L. Koch. 



Opisthophthalmus calms, L. Koch, Verh. z.-b. Wien, xvii. p. 233 (1867). 



The single female example that I have seen of this species 

 is ticketed " S. Africa, Dr. Smith." No nearer locality is 

 known for it. 



The measurements in millimetres of this specimen are as 

 follows : — Total length 66 ; length of tail 35, of carapace 125, 

 of hand-back 6"5, of movable finger 11 "5; width of hand 10.. 



Opisthophthalmus glabrifrons, Pet. 



Opisthophthalmus glalrifrons, Pet. Mon. Berl. Ak 1861, p. 514. 

 Opisthophthalmus laric'eps, Thorell, op. cit. p. 228 (teste Kraepelin). 



