124 Annals of the Carnegie Museum. 



58. Xiphidion iris Serville. 

 Xiphidion iris Serville, Ins. Orth., p. 506 (1839); Karny, Abh. K. K. Zool.-Bot. 

 Ges. Wien, IV, pt. 3, p. 94 (1907). For further synonymy see Kirby, I. c, p 279. 

 Batanga, one male and one female. F. H. Hope, collector. 



59. Xiphidion africanum Redtenbacher. 



Xiphidium africavjim Redtenbacher, Verb. K. K. Zool.-Bot. Ges. Wien, XLI, 



pp. 497, 516 (1891). 

 Xiphidion africanum Karny, I. c, p. 94 (1907)- 

 Anisoptera africanum Kirby, /. c, p. 279. 



A single female of this .species, from Batanga, taken in ]\Iarch, 

 1914, by F. H. Hope. 



60. Xiphidion guineense Redtenbacher. 



Xiphidium guineense Redtenbacher, /. c, pp. 497, 518 (1891). 

 Xiphidion guineense Karny, I. c, p. 94 (1907). 

 Anisoptera guineense Kirby, /. c. p. 280 (1906). 



There are three males and three females collected by F. H. Hope 

 in April, 1914, at Batanga. 



This and the preceding species are very similar, except as to length 

 of wing. 



61. Xiphidion obtectum Karny. 

 Xiphidion obtectum Karny, /. c, pp. 94, 96 (1907). 



This species of Xiphidion is represented by twenty-one males and 

 eight females, from Batanga, collected by F. H. Hope. 



62. Xiphidion conocephalus Linnaeus. 

 Gryllus Teltigonia co7iocephalus Linnjevs, Syst. Nat. (Ed. XII), I, (2), p. 696 (1767)- 



For a synonymy of this species see Kirby, I. c, p. 279. 



Eleven representatives of a seventh species of Xiphidion coming 

 from western Africi are referred to ccthiopicuni Thunberg, and, if 

 Kirby is correct in his surmise as to synonymy, they are the same as 

 conocephalus Linnteus. There are three males and eight females taken 

 by F. H. Hope at Batanga. 



* 

 Family PSEUDOPHYLLID.^. 



Genus Opisthodicrus Karsch. 



Opisthodicrus Karsch, Ent. Nachr., XVI, p. 272 (1890); Ib., Berlin. Ent. Zeitschr., 

 XXXVI, pp. 76, 86 (1891); Brunner von Wattenw\t., Mon. Pseudoph., 

 PP- 9. 31 (1895); Kirby, Syn. Cat. Orth., II, p. 292 (1906). 



