SCORPIONS AND AI.MKll ANNULATED SPIDERS OF THE AN(iLO-E(: Yl'M'I AN SUDAN 185 



Biithus {Biitlitis) occitanny, Amoreux (Plate XIV., fig. 4; Figs. 20 and 21) 

 Kraepclin, " Scorpioiics uiul Pedipalpi," in />r(.s Tienrich, VIII., 18U9, p. 2G 



I know a single locality for this species in the Sudan, where it was found on 

 the shores of the Eed Sea (Dooroor, near Suakin). It was collected here by the late 

 Dr. .1. Anderson. Besides the distinguishing characters already given in the synoptic 

 table, I wish to remark that it is distinguished from the foregoing species by the 

 following ones : supraciliary ridge smooth, granular in front and behind, dorsal and 

 upper lateral keels of the cauda nearly obsolete. 



This is a widely distributed species, ranging from Senegal to Morocco and over the 

 whole of northern Africa, being restricted in Egypt apparently to the coast ; and from 

 there extending to Soinaliland, Arabia and Syria. It occurs also in South-Western 

 Europe and reaches about HO mm. in total length. 



Buthns {Htithns) acutecarinatus, E. Simon (Plate XV., fig. 3) 



Simon, E., Aiut. Mas. (Imova, XVIII., 188.3, p. 24.5, PI. VIII., tig. 18. /;«//,«( 



Birnlii, A., Bull. Jnt.l. ,SV-., ,S7. /'elrrslwuiy, XXIII., 1906, No. 1-2, p. 1.39, Str. V., 1911;') ; Si/-. Il,,: .lhi,l. ande- 



lI'iSs., irini, CXVII., 1908, p. 129 airi,n,l,n 



The smallest Biitliiia of the Sudan, not reaching 50 nnn., ni}' largest specimen fronj 

 Khartoum 33'5 nun. Coloration yellowish, granular keels of truncus blackish. Movable 

 finger more than twice as long as hind hand. This little species is distributed from the 

 Cyrenaica to Egypt, Arabia, Syria, Abyssinia and Eritrea ; its range in the Sudan is 

 throughout the whole Nile Valley, as it is known from Wady Haifa (collected by the 

 Swedish Expedition), Khartoum and from Gondokoro, Uganda, beyond the southern limit 

 of the Anglo-Egyjatian Sudan. Dr. Anderson collected it at Dooroor, 60 miles north of 

 Suakin, Captain Flower in the Sennar Province and Dr. S. K. Malouf on the .^tbara. 

 It is by no means common. 



Biitluia (B II /hams) Icptochelys, Hemprich and Ehrenberg 



Hemprich and Elirenberg, rer/i. luUiuf., Fi: Berlin, I., 1829, p. 355 {Amlroclniiiis [/,«(((;■«.«] Icptuchel ijs and finlhiis 

 .1. [i.] macrocetilriis). Hijitih. Phys., Zool. II., Arachaoidea, Scorpiones, 1829, No. 3 (A. [/,.] kjilar/iiliis), leptochelys 



No. 7, tab. I., figs, a — e {A. [£] inacroceHtriis) 



Simon, E., E.rploralion de la I'linisie, Arachnides, 1855, p. 51 {Bitthus arenicnhi) 



Birula, A., liUz. Bcr Akad. Wiss., Wicn, CXVII. 1908, p. 170 



A rather rare species, known from North Africa (Eastern Algeria and Tunis to Lower 

 Egypt) and the Red Sea littoral. It was found at Dooroor, near Suakin, by the late 

 Dr. J. Anderson. This light yellow scorpion is distinguished by its smooth surface from 

 all its Sudanese congeners. As further characters of specific value, I may add that the 

 lower lateral keels of the fifth caudal segment are provided with lobiform teeth near their 

 posterior end, and that the poison vesicle is perfectly smooth. Hand not so thick as til)ia, 

 fingers once-and-a-half as long as hind hand. Total length not more tlian 00 mm. 



Biilhn>= {Jliittriilulla) numi.r, L. Koch (Plate XIV., figs. 5, (!; Fig. 25) 



Kocli, Tj., Aii/!i/ilisr/ii 1111,1 .Ihiisslnisrlic A iiir/niM/in; ate.., Niirnljcrg, 1875, Taf. 1, tig. 2, p. 4 (Viilltiia luintir) /,'„//„,,■ 

 Pavesi, P., Ann. Mux. l.'rniii-it, XX., 1883, p. 90 {Hiithus isscli); XV., 1895, p. 495 {II. hMrnlvttit) mhntx 



Kraepeliii, K., '• Srurpioncs imd Podipalpi," in Dux Tknrlch, VIII., 1899, p. 22 (Hiillins liultrnlotln mintu) 

 Birula, A., ,SV/:. Jl,r. Akml. Il'iss., Ifirn, CXVII., 1908, ji. 141 



This is the Biifhns of the Sudan proper, and is not met witli north of Khartoum ; even 

 in this locality it may only be occasionally found, as it is frequently carried on the steamers 

 on the Upper Nile amongst the wood fuel. I took two of my specimens on ijoard steamers. 



