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84. Fiscner, Leopold Heinrich. — Orthoptera europæa. 4°. Lipsiæ. 1853. pp. 20. 454, tab. 18.

85. Fiscuer, von WaLpHeIm, Gotthelf. — Prodromus petromatognosiæ animalium systematicæ continens bibliographiam animalium fossilium. 4° Mosquæ. 1826. (Nouv.mém. soc. imp. nat. Mosc., 1 : 301-374 ; 2: 95- 277, 447-458.) 4°. Moscou. 1829-32.

86. Fiscmer, von WazpHeIm, Gotthelf. — Bibliographia palæontologica animalium systematica editio altera aucta. 8°. Mosquæ. 1834. t. p.,pp. 8, 414.

87. FLAMMaRION, Camille. — Le monde avant la création de l'homme, pp. 388-390 et 457-459.

88. Frercuer, John. — A dreadful phenomenon described and improved; being a particular account of the sudden stoppage of the river Severn, and of the terrible desolation that happened to the birches between Coalbrook Dale and Buildwas Bridge in Shropshire on Thursday morning, May 27, 1773. (Works of John Fletcher, Vicar of Madeley, 1 : 229-246.) 12°. London. [1773 ?]

89. FonTaINE, William Morris, and Wire, I. C. — The Permian or upper Carboniferous flora of West Virginia and S. W. Pennsylvania. 8. Harrisburg. 1880 (Rep. progr. second geol. surv. Penn., PP. pp. 10,143, map, pl. 38.)

90. FONTAINE, W. M., and Wuite, I. C. — FossiL insects. (Amer, nat., 2: 163, figs. 1. 2.) 8°, Salem. 1868.

91. FONTAINE, W. M., and Wire, I. C. — Fossiz insects.(Pop.sc. monthly, 21: 567-568.) 8°. New York.1882.

FRic, Anton. V. FRITSCH, A.