THE AFGHAN DELIMITATION COMMISSION. 121 



The species is widely distributed. Newport's specimen was from Barbary ; Dr. Mei- 

 nert's from Egypt ; and in addition to this Afghan specimen the British Museum possesses 

 others from Smyrna, Bushire, and Karachi. 



CRUSTACEA. 



13. Hemilepistus klugii (Brandt). 



Of this Isopod several examples, which were identified by the Rev. A. E. Eaton, were 

 taken between Muskii and Bala-morghab. 



11. GaMJIARIJS pulex. (Linn.). 



Specimens of this wide-ranging Amphipod were taken in the streams leading from 

 Do-Shakh in Afghanistan. 



EXPLANATION OF PLATE XIII. 



Fig. 1. Tarantula medica, sp. n., ? young, uat. size. 

 1 a. Ditto, $ adult, uat. size. 

 1 b. Ditto, ^ adult, nat. size. 

 1 c. Ditto, face, eularged. 

 1 d. Ditto, sternum, eularged. 



1 e. Ditto, epigyne, enlarged. 



1/. Ditto, palp of $ from below. 

 1^. Ditto, palp of <$ from the side. 



2. Nemesia tubifex, sp. n., $ , nat. size. 



2 a. Ditto, $ , nat. size (lateral view). 

 2 b. Ditto, chclicene, enlarged. 



2 c. Ditto, sternum, enlarged. 



2 d. Ditto, eyes, enlarged. 



3. But hits purthorum, sp. n., cephalothorax, x 1|. 



3 a. Ditto, nianus, x 1|. 



3 6. Ditto, extremity of tail, x 1^ (lateral view). 



3 c. Ditto, from below. 



4. Bit thus afghanus, sp. n., cephalothorax. 



4 a. Ditto, ruauus. 



4 b. Ditto, extremity of tail. 



5. Orthodactijlus schneideri, under surface of tail. 



6. Rhax aurca, sp. n. ; ocular tubercle -with abnormal seta. 



7. Scolopendra truncaticeps, sp. n. ; anal somite from below. 

 7 a. Ditto, anal somite from above. 



7 b. Ditto, prostcraal teeth. 



8. Himantarium tceniatum, head from above. 



8 a. Ditto, head from below. 



8 b. Ditto, anal soir.ite from below. 

 8 c. Ditto, steruite of 50th somite. 



SECOND SERIES. — ZOOLOGY, VOL. V. 19 



