342 Mr. F. O. P. Cambiidoe on the 



o^ 



a basi ad apicem sensiin pallulo incrassata, pteiie 4-]j1o 

 longior quani latior ; prope apicem lateris exteriorls, supra, 

 deiite sat parvo sed t'orti, pauUo deorsuni curvato, anteriora 

 versus efc paullo foras directo arraata est, cujus apex iu duos 

 denies acuminatos est fissus. 



" Pars tavsalis — pa^ne triplo longior quam latior, ad forniam 

 ut in A. duiiidiato, modo apice paullo breviore. Bulbus a 

 latere exteriore visus paullo ante medium subter rotundato 

 excisus videtar, ita ut deutem deorsum et anteriora versus 

 directum hie forniet pars excisa, quffi supra, antice, in pro- 

 eursum sat breveni et latum, apice dilatum, porrectum (non 

 ut in yjriore specie profunde bifurcatum) producta est. 



" Ceph. in fundo luteo-ferrugineo, pube densa flava et 

 rubro tecto, itaque flavo, pictura rubra. 



" Abdomine in fundo subtestaceo, secundum medium 

 dorsi late flavo, pube flava, intermixta rubra, quaj maculas 

 saltern ad partem in ordines duos longitudinales dispositos 

 format, vestito." "* 



Species described under Nydia, Thor, 



1891-92. Nijdia punctata, Thor. $ juv., 6^ mm. Ann. 

 Mus. Genov. ser. 2 a, xi. (xxxi.) p. 131. Sumatra 

 {Forhes) : e coll. 0. P. C. 



Dr. Thorell says of this, the type of a new genus, " unicara 

 feminan nondum adultam, detritam et valde mutilatam (pedi- 

 bus plerisque carentem) hujus arane« vidi." 



It is much to be deplored that an experienced araclmologist 

 like Dr. Thorell should take a much mutilated specimen, an 

 immature female, and one which has lost several legs, as the 

 type of a new genus. 



Neiv Species of Ctenus. 



I hesitate to attempt to draw up a synoptic table of species 

 without more material to substantiate my conclusions as to 

 specific differences. The form of the vulva is, however, the 

 only really reliable character, and of this portion of structure 

 a figure has been given. 



Ctenus TJwrellu\ sp. n , (J ? . (PI. IV. figs. 2, 15, 27.) 



Hah. Ceylon. 



Type in coll. Brit. Mus. Nat. Hist, e coll. Keyserling. 



? . 22 mm. 



c^". — Colour. Carapace mahogany - brown, with broad 



* Accmtheis tridens, F. Cb., Ahhaudl. d. Senclienb. natuif. Gesellsch. 

 Bd. xxiii. 1897. Bavam Kiver, Borneo ( W. Kiikenthal). 



