70 Mr. F. O. P. Cambridge on Cteniform Spiders 



Genus Caloctenus, Keys., 1877. 



1877. Caloctenus aculeatuSj Keys. $ , 4 mm. Verb. z.-b. 

 Ges. Wien, p. 697, t. ii. (viii.) fig. 59. Type in coll. Brit. 

 Mus. Nat. Hist. London. New Granada, St. Fd de Bogota. 

 — Having carefully examined the type specimen, I find it 

 to be a Hoo-claiced form. 



1880. CaIocfe7ius major, Keys. ? , 19 rara. Verb. z.-b. 

 Ges. Wien, p. 337, t. iv. fig. 81. Type in coll. Mus. 

 Warsaw. Peru. 



1882. Caloctenus major, Keys., Hasselt. IV. 3de Aflev. 

 Nat. Historic Midden-Sumatra, pi. v. fig. 13. Figure of 

 vulva. 



1880. Caloctenus var{egatus,V>t\i\. 15*5 mm. Mem. Acad. 

 Belg. t. xliii. p. 59, t. i. fig. 19. * Bras. Spinn.' Tliere- 

 siopolis (San Jao de H^), Brazil. — Since Bertkau remarks 

 that tibiae i. and ii. liave seven pairs of spines beneath, it is 

 probable that this spider belongs to the genus in which he 

 placed it, though why he did not also place cyclotJiorax in 

 the same genus does not appear. 



1891. Caloctenus cyclothorax (Bertk.), Keys. Bras. Spinn. 

 1891, p. 143, note. — This species belongs, so far as descrip- 

 tion allows one to judge, to Caloctenus, Keys. See sub 

 Ctenus above. 



Genus Leptoctenus, L. K., 1875? 



1888. Leptoctenus lyrrhus, Sim. 2, 11 mm. Ann. Soc. 

 Ent. Fr. viii. p. 210. ]\[cxico. — L. Koch's genus Lepto- 

 ctenus is characterized by tibiae i. and ii. having four pairs 

 of spines beneath. Clypeus only a little higher than the 

 diameter of the eyes of the first row. Second row of eyes 

 straight. Tarsal claws 2. Scopula absent. Labium half 

 as long as maxilla, the latter much attenuated at base. 



1888. Leptoctfnus Tenkotei, v. Hasselt. $, 17'5 mm. 

 Tijtlsch. Ent. xxxi. pt. 3, )). 192. Surinam. — Van Hasselt 

 gives the number of tarsal claws as two, but refers the 

 species to the " Lycosida^." 



Genus ACANTHEIS, Thor., 1891-2. 



1890. Acanthoctonus, Keys., Thor. Ann. Mus. Gen. 2, x. 

 (xxx.) Sept. 1890, including : — 1, A.variatus, Th.; 2, A. 



