98 Mr. R. I. Pocock on 



To the genus Cyrtopholis I also refer the following 

 species : — 



Cyrtopholis pernix, Auss. Verh. z.-b. WIen, 1875, p. 178 

 {Crypsidromtis) ; F. Cambridge, Biol. Centr.-Amer., 

 Araneidea, ii, p. 31, pi. ii. fig. 14 (1897) {Hapalopus). 



Loc. Pic d'Orizaba, Mexico. 



The following is a key to the species known to me, the 

 characters being mostly taken from specimens of the male 

 .sex : — 



ft. Sternum strongly convex cursor, Auss. 



h. Sternum flat. 



«\ Eyes of anterior line only a little procurved, 

 nearly straight by their centres ; stridulating- 

 bristles on first leg spatulate (?. e., expanded 

 and compressed), those on palp fesv and not 

 plumose 5 spine of palpal organ with strong 



keel ^;f ?vu'r, Auss. 



I?. Eyes of anterior line more strongly procurved, 

 stridulating-organ consisting of lightly clavate 

 plumose bristles on first leg and palp : spine of 

 palpal organ without strong keel. 

 or. Small, carapace up to 11 mm. long. 



a^. Femur of third leg scarcely swollen, infe- 

 rior tibial spur distally incrassate and 



rounded agills, sp. u. 



IP. Femur of third leg much swollen, inferior 



tibial spur distally narrowed femoralis, sp. n. 



Ir. Large ; carapace not less than 16 mm. long, 

 a'. Colour a tolerably uniform brown, with 

 golden lustre : legs with pale bands ; spine 

 of palpal organ strongly compressed .... veiiatorius, Linn, 

 i*. Colour mostly black ; carapace thickly 

 coated with goldeu-gTey hairs; spine of 

 palpal organ not compressed Bonltotei, F. Cb. 



Genus Citharoscelus, Pocock. 



Citharoscehis, Pocock, Ann. & Mag. Nat. Hist. (7) iii. p. 347 (1899). 

 ? Grammostola -)- Homceomma, Simon, Hist. Nat. Araign. i. pp. l62, 

 163 (1892). 



This genus contains the following species : — 



Citharoscelus spatulatus (F. Cambridge). 



? Mi/ffcile rosea, Walck. Ins. Apt. i. p. 213 (1837) ; Gu(5rin, Voy. 



' Favorite,' v. pt. 2, p. 165, pi. xlviii. fig. 1 (1839) (nee roseics, Simon). 

 ? Mygale rosea, C. Koch, Die Arachn. ix. p. 59 (1842). 

 ? Mygale ruhiyinosa, Nicolet in Gay's Hist, de Chile, Zool. iii. p. 330 



(1849). 



