EASTMAN: FISHES FROM UPPER EOCENE OF MONTE BOLCA. 333 



1835. Dudor leptosomus L. Agassiz, Neues Jahrb., p. 293 (name only). 



1834-44. Dudor leptosomus L. Agassiz, Poiss. Foss., Vol. V, Pt. 1, p. 53, pi. XII. 



1876. Dudor leptosomus F. Bassani, Atti. Soc. Veneto-Trent. Sci. Nat., Vol. Ill, 



p. 184. 

 1901. Dudor leptosomus A. S. Woodward, Cat. Foss. Fishes Brit. Mus., Pt. IV, 



p. 448. 

 1911. Dudor leptosomus C. R. Eastman, Mem. Car. Mus., Vol. IV, No. 7, p. 369. 



Type. — Imperfect fish; Museum of Natural History, Paris. 



Besides the examples of this species already cataloged as part of the Bayet 

 Collection in the Carnegie Museum, an additional specimen, preserved in counter- 

 part, is contained in the material upon which report is now being made. It is 

 cataloged as No. 5315+ 5315a. 



Genus Zanclus Cuvier and Valenciennes. 



8. Zanclus brevirostris Agassiz. 



1796. Chcetodon canescens G. S. Volta, Ittiolit. Veronese, PI. XXVI, fig. 2 (errore). 



1842. Zanclus brevirostris L. Agassiz, Poiss. Foss., Vol. IV, p. 236, pi. XXXVIV. 



1911. Zanclus brevirostris C. R. Eastman, Mem. Car. Mus., Vol. IV, No. 7, p. 372. 



Type. — Nearly complete fish; Museum of Natural History, Paris. 



Among the additional suite of specimens that has recently come to light is an 

 excellently preserved representative of this species, cataloged as No. 5306. It 

 proves to be the left-hand counterpart of the example already cataloged as No. 

 4415. This specimen bears two original MS. labels in an unknown hand, reading 

 as follows: " Dono di Eugenio Sardagna, Venezia, 18 Nr. 1888 {ex Galleria Man- 

 fron)." " ChcBtodon canescens Volta, Ittiol. Veron; Tav. 26, fig. 2." 



Family CH^TODONTiDiE. 



Genus Pyg^us Agassiz. 



9. Pygaeus coleanus Agassiz. 



1834-42. Pygoeus coleanus L. Agassiz, Poiss. Foss., Vol. IV, pp. 16-256, PL XLIV, 



fig. 5. 

 1838-42. Pygceus egertoni L. Agassiz, ibid., p. 257 (imperfect fish, British Museum). 

 1838-42. Pygceus gibbus L. Agassiz, ibid., p. 257 (distorted fish, British Museum). 

 1901. Pygceus coleanus A. S. Woodward, Cat. Foss. Fishes Brit. Mus., Pt. IV, p. 

 557. 

 Type. — Imperfect fish; British Museum. 

 This is an imperfectly known small Chaetodont, of which nearly aU of the 



