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



Part I. — (a) Genera of the Old and Neio Worlds, containing 

 Forms possessing two tarsal claws only, which have 

 been assigned by various authors to the Families Ctenidye 

 and Clubionidee, Subfam. Cteninae, roith Notes on the 

 Type Species. 



1806. Ctenus, Wlk. Tableau Aran. p. 16. Type C. dubius, Wlk., $ .— 

 Cayenne, French Guiana. 



1833. Phoneutria, Perty, Del. Anim. Bras. iii. p. 196, Type P. ferus, 



Perty, $ .—Rio Negro, Brazil. 

 1833. Thaumasia, Perty *, 



1875. ArffoctemtH, L. Koch, Arach. Austr. ii. p. 900. Type A. vjueus, 

 L. K., 5 . — King George's Sound, Australia. 



1875. Leptoctenus, L. Kocli, Arach. Austr. ii. p. 994. Type L. ayalen- 

 oides, L. K., (^ . — Gayndah, Australia. 



1877. Microctenus, Keys. Verb. z.-b. Ges. Wien, p. 687. Type M. or- 

 natus, Keys., $ . — Bogota, New Granada. 



1877. Acanthoctemis f. Keys. Verb. z.-b. Ges. Wien, p. 693. Type 

 A. 8jjini(/erus, Keys., J ."—Bogota, New Granada. 



1877. Caloctenus, Keys. Verb. z.-b. Ges. Wien, p. 696. Type C. aculeatm, 

 Keys., $. — Bogota, New Granada. 



1878. Enigma, Karscb, Z. ges. Natiirw. (3) iii. p. 825. Type yE. austra- 

 licma, Karsch, § . — New South Wales. 



1879. AnaJtita, Karsch, Verb. Rhein-Provinz. iv. p. 103. Type A. fauna, 

 Karsch, 5 . — Japan. 



1880. Isocteniis, Bertk. IM^m. Coiir. Acad. Belg. xliii. p. 61. Type 

 I.foliiferus, Rertk., $ juv. — Brazil. 



1880. CtenopJdhalmus, Sim. Ann. Soc. Ent. Belg., Bull. p. 174. Type 

 C. Imeatus, Sim., J . — -New Caledonia. 



1890. C'ten()mma,T\\ov. Ann. Mus. Gen.>v. p. 133. uuu!. ior C'tenaphthulmus, 

 Sim., uom. preocc. 



1891. Cupiennius, Sim. Bull. Soc. Zool. Fr. xvi. p. 109. Type C. Getazi, 

 Sim., 5 . — Costa Rica. 



1891-92. Nydia, Thor. Rag. Mai. iv. vol. ii. p. 130. Type N. punctata, 



Thor., 2 j"^^' — Sumatra. 

 1891-92. Acantheis, Thor. Sven. Ak. Handl. xxiv. (2) p. 61, note. Nom, 



for Acanthoctemis, Thor. Type A. variaius, Thor., j. — Sumatra. 



* 1833. Thaumasia, Perty, Del. Anim. Bras. iii. p. 192, tab. xxxviii. 5. 

 Type T. senilis, I'erty, J. — I'rovincia Pianbiensi, Brazil. 



There is no evidence as to wluther this is a two-clawed or three-clawed 

 form. 



t Although Acanthoctenus does not at present claim kindred with the 

 Cteniuse, I have lelt the mime in this position for convenience' sake. 



