96 Alexander Petriinkevitch, 



Genus Maiocercus Pocock 191 1. 

 Genotype and only species 

 I. M. celticus (Pocock) 



= Eophryniis carhonis Howard and Thomas, Cardiff Nat. Hist. 

 Soc, Vol. XXVni, 1896, p. 52, figs, a, b. 



= Brachypyge celtica Pocock, Geol. Mag., (4), Vol. IX, 1902, 

 p. 488, fig. 2a. Fritsch, Pal. Arachn., 1904, p. 41, text fig. 51. 

 M. celticus Pocock, Carb. Arachn., 1911, p. 60, text fig. 29. 

 From the Coal Measures of Ty'nybedw, Rhondda Valley, South 

 Wales. 



Genus Eotrogulus Thevenin 1901. 

 Genotype and only species 

 I. E. fayoli Thevenin, Bull. Soc, France, 1901, p. 607. Fritsch, Pal. 

 Arachn., 1904, p. 43, text fig. 55. 



From the Coal Measures of Commentry, France. 



Family Eophrynidae. 

 Genus Anthracosiro Pocock 1903. 

 Genotjpe A. woodwardi Pocock. 



1. A. woodwardi Pocock, Geol. Mag., (4), Vol. X, 1903, pp. 246—250, 

 405-408. 



= A. latipes Gill, Nat. Hist. Soc. Northumb., Durham, Vol. HI, 



1909, pp. 510—522, pi. xni. 



A. woodimrdi Fritsch, Pal. Arachn., 1904, p. 43, text fig. 53. 

 Pocock, Carb. Arachn. 1911, p. 70, text figs. 35, 36. 



From the Coal Measures of Coseley, Sparth and Crowcook, 



England. 



2. A. fritschi Pocock, Geol. Mag., (4), Vol. X, 1903, pp. 405—408, fig. 

 Fritsch, Pal. Arachn., 1904, p. 43, text fig. 54. Pocock, Carb. 

 Arachn., 1911, p. 73, text fig. 37. 



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



Genus Pleurolycosa Fritsch 1904. 

 Genotype and only species 

 I. P. prolifera (Fritsch) 



= Arthrolycosa prolifera Fritsch, Fauna d. Gaskohle, Vol. IV, 1901, 

 p. 61, pi. 153, figs. I, 3. 



P. prolifera Id., Pal. Arachn., 1904, p. 23, text fig. 29. 

 (Position of both genus and species uncertain). 

 From the Coal Measures (Gaskohle) of Bohemia. 



