the Genus Tat era. 405 



oxtcrnally, except in size, the s[)cciinen docs not seem to 

 (lidcT I'roin the nst of the series. From a most careful 

 study of all these skidls I atn of opinion that there are almost 

 certainly two species, differiu}; chietly in size, but closely 

 rescmblini; each other, in any locality — the bulk of the 

 Slicndy spt'ciincns rcpn^sentiu'^ the sniallcr, which is jirobably 

 rohitsta, and the VA Kowa specimens the larj;er, which may 

 be )iiarin(i, tlie type-locality of which is Hahr-cl-Abiad. 

 Witii two doubtful types and such restricted material I have 

 not dared to do other than linnp all these specimens as robusta. 



(27) Tatcra Eniini. 



G'erbillus Emini, Tlios. Ann. & Mag. Nat. Hist. i.x. p. 78 (1892). 



87. 1 2. 1 . 50-5 1 . Wadclai ( Emin Pasha) . 



I quote the dimensions recorded by Mr. Thomas: — 



Head and body 1 10 mm. ; tail 155 ; hind foi>t 29. 



Skull: f,'rcate>t Icnf^th .'i5 ; (basilar length 27 ;) zygomatic 

 breadth IG ; length of upper molar series 5*2 ; bullie lO*^. 



Noteworthy characters are small size and band of hairs 

 across sole of hind foot, which latter is unique in the genus. 



Section III. — Asia. 



The colour-pattern of the tail makes this a very compact 

 group. Unfortunately it is very badly repi-cscntcd in the 

 collection. A small collection made by Mr. Woosnam quite 

 recently, and presented to the Museum by Col. Bailward, 

 has enabled me to recognize somewhat confidently the 

 t<eniiira of Wagner, and thus to discriminate other Persian 

 forms ; but although we have tlie type of ind'ica, the material 

 from India is so very poor botii in quantity and (luality 

 that, beyond identifying Watcrhousc's Cuvieri, a strongly 

 marked species, I have not ventured to base any conclusions 

 on the specimens available for study. 



(28) Tatera tceniura. 



Merionea t<eniurus, Warner, Schreb. Siiiig., Suppl. iii. p. 471 (1842). 



5.10.4.28-29. Rund-i-Khel, Karnn River, S.W. Persia 

 [Col. Bail ward). Alt. 250'. 



Wagner descriljcd Mcriones Idiiinnis from Syria. We 

 have no specimens unfortunately from this locality, but 

 experience in other genera seems to show that there is little 

 change in the forms westward from the Euphiatcs until the 

 Jordan basin is reached. Wagner's description is too va"-ue 

 by itself to indicate more than a large Tatera. He, however. 



