On new Genera and Species of Scolopendriche. 221 



(11) W. C. M'Intosh. Review of ' A Treatise on the Common Sole,' 

 by J. T. Cunningham. Ann. & Mag. Nat. Hist. Dec. 1890. 



(12) Iwakawa. "On the Genesis of the Egg in Triton" Quart- 

 Journ. Micr. Sci. vol. xxii., 1882. 



(13) E. A. Scharff. "On the Intra-Ovarian Egg of some Osseous 

 Fishes," ibid. vol. xxviii., 1887. 



(14) C.K.Hoffmann. "Zur Ontogenie der Knochenflsche," Verb.. 

 Konink. Akad. Amsterdam, 1883. 



(15) Henry V. Wilson. "On the Development of the Sea-Bass 

 {Serranus atrarius) ," Johns Hopkins University Circulars, vol. ix. 

 no. 80, 1890. 



(16) G. Brook. " The Formation of Germinal Layers in Teleostei," 

 Trans. Roy. Soc. Edinb. vol. xxxiii. pt. 1, 1886. 



(17) John A. Ryder. "Tbe Origin of the Pigment-Cells which 

 invest the Oil-drop in Pelagic Fish-Embryos," Amer. Naturalist, 

 Extra, November 1886. 



(18) . "A Contribution to the Embryography of Osseous Fishes, 



&c," Report of the U. S. Fish Commission for 1882. 1884. 



(19) A. E. Shipley. " On some Points in tbe Development of Petro- 

 myzonjluviatilis" Quart. Journ. Micr. Sci. vol. xxvii., 1887. 



(20) Hector F. E. Jungersen. " Beitrage zur Kenntniss der Ent- 

 wickelung der Gescblechtsorgane bei den Knochentischen," Arb. 

 aus dem Zool. Zoot. Inst. Wurzburg, Bd. ix. 



XXIV. — Notes on the Synonymy of some Species of Scolo 

 pendridse, with Descriptions of new Genera and Species of 

 the Group. By E,. I. Pocock, of the British Museum 

 (Natural History). 



[Concluded from p. 68.] 



[Plate V.] 



Artheorhabdus, gen. no v. 

 (apBpov, a joint, and pdfiBcs, a staff.) 



Head-plate entire, without sulci, not covered posteriorly by 

 the first dorsal plate, but separated from it mesially by a space 

 occupied by a horny membrane, which is united to the first 

 tergite and appears to represent the basal plate. 



Eyes, mouth-parts, and stigmata as in Cormocephalus. 



Anal somite resembling that of Cupipes, the pleura? being 

 truncate, the legs stout, and the claw long and serrate. 



Other characters, which may or may not prove to be of 



