ANIMALS. 147 



The two species next to be described are the only certain Permian forms with 

 which the palaeontologist is acquainted. 



Epithyris elongata, Schlotheim. Plate VI, figs. 30-45. 



Terebkatulites elongates, Schl. Akad. Miinch., vol. vi, p. 27, pi. vii, figs. 7 u, h, c, 



8, 9, 1816. 



— COMPLANATUS ,, Op. cit., pi. vii, figs. 13, 14 a, h, c. 



— LATUS „ Op. cit., pi, vii, fig. 12. 



— ELONGATUs ,, Petrefactenkunde, p. 277, 1820. 



— — ,, Boue, Edin. Phil. Journal, vol. xii, p. 144, 182j, 



— COMMUNIS, Var. b, latus, Schl. Loc. cit, 



(?) Terebratula, N. S., Phillips, Phil. Mag., N. S., vol. iv, p. 401, 1828. 



Flat Terebratula, J. de C. Sow. Trans, Geol. Soc. Lond., 2d series, vol. iii, 



p. 119, 1829. 

 Terebratula elongata, Schl. Brongn., Tab. de Terr., p. 425, 1829. 



— — „ De la Beche, Geol. Man., p. 384, 1831 ; Germ. TransL, 



p. 459, 1832; 3d Eng. ed., p. 573, 1833. 



— complanata, Schl. Op. cit. 

 (?) — intermedia „ Op. cit. 



Phillips, Encyc. Met., vol. iv, p. 617, 1834. 



Op. cit. 



Op. cit. 



Von Buch, Ueber Terebrateln, p. 100, 1834. 



Quenstedt, Wiegmann's Archiv, 1835. 



Le Cocq, Trausl, Von Buch, Mem. Soc. Geol. de 

 France, vol. iii, p. 211, pi. xix, fig. 10, 1838. 

 (?) — QUALENiT, Fischer. Bull, des Nat. de Moscou, p. 466, 1842. 



(?) — — „ Kutorga, Verb, der Min. gesellsch. St. Petersburg, 



p. 26, pi. vi, fig. 2, 1842. 

 (?) — PLICA ,, Kutorga, lb., pi. v, fig. 11. 



— elongata, Schl. Morris, Catalogue, p. 133, 1843. 



— — ,, Geinitz, Gaea von Sachaen, p. 97, 1843. 



— — „ DeVerneuil, Bull. Soc. Geol. de France, 2"" serie, vol. i, 



p. 26, 1844. 



— — ,, Geol. Russ., vol. i, p. 222 ; vol. ii, pp. 66-9, pi. ix, 



fig. 9 a, b, c, d, 1845. 



— — „ Keyserling, Petschora-land, p. 238, 1846. 



— cassidea, Geinitz. Grundriss, p. 507, 1846, 



— ELONGATA, Schl. Ibid,, p, 508, 



— — „ Tennant, Strat, List, p. 88, 1847. 



— — „ King, Catalogue, p. 7, 1848. 



— — „ Howse, Trans. T, N, F. C, vol. i, p. 251, 1848. 



— — „ Geinitz, Versteiner.,p, 11, pi. iv, fig. 27 a, i, <?,£?, 1848. 



ELONGATA 



COMPLANATA 



(?) — INTERMEDIA 



- ELONGATA 



Diagnosis. — Smooth to the eye ; but microscopically granulated, through being- 

 crowded with moderate-sized punctures : in general three quarters of an inch in 



