CTENUS. lil 
central dorsal dentated band of yellowish pubescence. Ventral surface with four lines of spots of white — 
pubescence, 
Carapace almost level, in profile, above, very slightly gibbous behind. Second row of eyes procurved; posterior 
margins of laterals not aligned with the anterior margins of centrals, but. falling behind them. Ocular 
quadrangle longer than broad, narrower in front; anterior eyes distinctly smaller than posterior, 
both pairs over half a diameter apart. Clypeus equal to one and a quarter diameters of an anterior 
central eye. 
Hab. Mexico (Mus. Brit.). 
4. Ctenus incolans, sp.n. (Tab. VII. figg. 35, 35a, ¢; 36, 2.) 
Type, 2, in coll. Godman & Salvin. 
Q@. Totallength 18 millim. Carap.8x6. Legs: 1.2775; ii. 26; iii. 24; iv. 23. Pat.+tib. 1.10; iii. 75 ; 
iv. 10. Prot. i. 5°53; iii. 5; iv. 8°5. 
Q. Carapace and legs mahogany-brown, clothed with grey pubescence, more noticeable on the dorsal area of 
the protarsi of the legs. Abdomen dull olive-brown, with a short basal central longitudinal pale band. 
Underside with two longitudinal pale lines. (The colours are, however, too much faded to admit of 
description.) 
Carapace almost level above, in profile. Second row of eyes procurved; posterior margins of laterals falling just 
behind the anterior margin of centrals. Ocular quadrangle slightly longer than broad, slightly narrower 
in front ; anterior eyes slightly smaller, both pairs over half a diameter apart. Clypeus equal to one. and 
a quarter diameters of an anterior central eye. 
Hab. Guatemata (Sarg). 
5. Ctenus alienus, sp.n. (Tab. VIII. fig. 2, 2.) 
Type, 2, in coll. Godman & Salvin. 
@. Total length 25 millim. Carap.10°5x8. Legs: i. 37; ii. 34; iii. 31; iv.40. Pat.+tib. 1.18; 11.12; 
iii. 10; iv. 12°5. Prot. i. 7°53; ii. 7°53; iii, 7; iv. 11. 
Q@. Carapace and legs dark mahogany-brown, clothed with grey pubescence; mandibles black. Abdomen pale 
olive-brown, with a pale triangular basal dorsal blotch and four pairs of dark rounded blotches extending 
to the spinners. Ventral surface pale brown, with a central broad dark band margined with a broken 
white line on each side and a pair of indistinct central lines. 
Carapace almost level above, in profile, slightly raised behind. Second row of eyes , procurved ; posterior margins 
of laterals not aligned with the anterior margins of centrals, but falling behind them. Ocular quadrangle 
longer than broad, narrower in front; anterior eyes distinctly smaller, both pairs about half a diameter 
apart. Clypeus equal to about one and a half diameters of an anterior central eye. 
Hab. GUATEMALA (Sarq). 
6. Ctenus excavatus, sp.n. (Tab. VIII. figg. 3, 3a, 2.) 
Type, 2, in coll. Godman & Salvin. 
©. Total length 85 millim. Carap. 75x55. Legs: i. 2H; ii, 24; iii, 22; iv. 28. Pat.+tib. 1.9; 
ii. 8; iii. 65; iv. 9. Prot. i. 5; iv. 7:5. 
g. Carapace and legs mahogany _brown, the former with a broad central bar and a marginal band of yellow- 
grey pubescence, the latter mottled with grey pubescence. (Abdomen too much discoloured to furnish 
any character.) . 
Carapace horizontal above. Second row of eyes straight (recurved in appearance), the posterior margins of the 
laterals aligned with the centres of the centrals. Ocular quadrangle broader than long, narrower in front ; 
anterior central eyes less than one-half the’ posterior central, both pairs Leing over half a diameter from ; 
