98 Alexander Petrunkevitch, 



Genus Cyclotrogiilus Fritsch 1904. 

 Genotype and only species 

 I. C. sturii (Haase) 



= Eophrynus sturii Haase, Beitrage z. Kenntniss d. foss. Arachn., 



1890, p. 642. 

 C. sturii Fritsch, Pal. Arachn., 1904, p. 49, pi. 14, fig. i. 



From the Coal Measures of Mahrisch Ostrau, Silesia, Germany. 



Genus Kreischeria Geinitz 1882. 

 Genotype K. wiedei Geinitz. 



1. K. wiedei Geinitz, Zeits. d. geol. Gesell., Vol. XXXIV, 1882, p. 238, 

 pi. XIV. Haase, Ibid., Vol. XLII, 1890, p. 642, pi. XXX, fig. 6. 

 Fritsch, Pal. Arachn., 1904, p. 50, text figs. 63, 64. 



From the Coal Measures (Sigillaria zone) of Zwickau, Germany. 



2. K. verrucosa Pocock, Carb. Arachn., 191 1, p. 78, text fig. 40, pi. Ill, 



fig- 5- 



From the Coal Measures of South Wales. 



Genus Hemikreischeria Fritsch 1904. 

 Genotype and only species 

 1, H. geinitzi (Thevenin) 



= Kreischeria geinitzi Thevenin, Proc. Verb. Soc. d'Hist. Nat. 

 d'Autun, Vol. XV, 1902, p. 195. 



= H. thevenini Fritsch, Pal. Arachn., 1904, p. 51, text figs. 65 

 A.— C. 



From the Coal Measures (Westphalian) of Valenciennes, France. 



Genus Petrovicia Fritsch 1904. 

 Genotype and only species 

 I, P. proditoria Fritsch 



= Eophrynus n. sp. Kusta, Sitz. k. b. Gesell. Wiss., 1885, p. 7. 

 = Anthracomartus sp. Id., Ibid., 1888, p. 207. 

 P. proditoria Fritsch, Pal. Arachn., 1904, p. 52, pi. 5, figs, i, 2, 

 text figs. 66 A, B ; 67, 68. 



Genus Adelocaris Packard 1889. 

 Genotype and only species 

 I. A. peruvianus Packard, Proc. Boston Soc. Nat. Hist., 1889, p. 209. 

 (Position of genus very doubtful). 

 From Peru. 



Genus Trigonotarbus Pocock 191 1. 

 Genotype T. johnsoni Pocock. 

 I. T. johnsoni Pocock, Carb. Arachn., 1911, p. 74, pi. Ill, fig. 4, 

 text fig. z^. 



From the Coal Measures of Coseley, near Dudley, England. 



