new Species of Ctenns. 403 



Tliis fine species belongs to thu same group of vvliich 

 sinuatipes is a tyj)ical example. A comparison ot" tlie figure 

 of the tibial spur of tlie ni.ile palpus with those on pi. iii. fig. 7, 

 of Ann. c^ Mag. Nat. Hist. 1897 (vol. xix.), will at once 

 show the dirf'ercuce. 



The female will fall into the table immediately after 

 C. medtus, Keys. 



One adult male and four adult females were taken by 

 Mr. Kamage at St. Lucia, \V^e3t Indies. 



2. Ctenus EUacomei, sp. n. (PI. VII. fig. 8.) 



Tyj)C, ? , in coll. Brit. Mus. 



IJab. Paramaribo, Surinam. 



? ad. Tot. len. 14 mm., carap. 6x5; legs i. 22, ii. 21, 

 iii. 18, iv. 25; pat. 4-tib. i. 8, iii. 5*25, iv. 7*5. 



Colour. Carapace and legs red-brown, the latter more or 

 less annulated and speckled with white tufts of pubescence. 

 Abdomen black, with central, broad, pale dusky grey band, 

 obliterate in second half. Sides mottled with black and grey. 

 Ventral area pale, with a narrow, central, deep black bar 

 extending from the genital riina iialt'way to the spinners. 

 Its anterior end circumscribed by a pure white horseshoe- 

 shaped mark. On each side lies a single white, broken, very 

 narrow bar, delimiting the ventral area and converging to 

 the spinners. 



A single adult female was taken by Mr. C. W. EUacome 

 in Surinam. 



3. Ctenus Thomasi, sp. n. (PI. VII. figs. 1, 2.) 



Tyi^e, ? , in coll. Brit. Mus. 



Jlab. La Plata. 

 ? . Tot. len. 10 mm. ; pat. + tib. i. 5, iv. 5. 



Carapace and legs pale straw-yellow, clothed with fine 

 black hairs ; carapace with a broad lateral and also a marginal 

 dusky band composed of dark pubescence ; central area devoid 

 of pubescence. Sternum and legs mottled with dusky patches. 

 Abdomen straw-yellow, with an interrupted narrow bar on 

 each side consisting of two or three black dots. Ventral 

 area black, with two white spots towards the genital rima. 

 Anterior central eyes much smaller and closer together than 

 posterior centrals. 



A single female of this species was taken by ]Mr. Oldfield 

 Thomas at La Plata in the spring of 1896. 



28* 



