20 
ACTIX0PTERYGI1. 
1865. Saurichthys apicalis, H. Eck, Form. bunt. Sandst. u. Muscbelk. 
Oberschlesien, p. 69. 
1888. Saurichthys apicalis, K. A. von Zittel, Handb. Palseont. vol. iii. 
p. 266, fig. 271. 
1892. Saurichthys apicalis, 0. M. .Reis, Geogn. Jabresb. 1891, p. 153, 
fig. 8. 
Type. Portion of upper jaw ; Palaeontological Museum, Munich. 
The type species, with much elongated jaws and slender teeth, 
the head attaining a length of about 0*012. Apical gano-dentine 
smooth, not usually extending below the distal third of the tooth 
base finely striated. ^ 
Form. <Sf Log. Muschelkalk and Lower Keuper : Germany. 
Not represented in the Collection. 
Saurichthys mougeoti* Ag^siz. 
1834. u Zabne von Gottingen,” H. von Meyer, Mus. Senkenberg. vol. L 
p. 16, pi. ii. figs. 4-6. 
1837. Figure by H. B. Geinitz, Beitr. Kennt. Thiiring. Muscbelk, 
pi. iii. fig. 2. 
1837. Saurichthys mougeotii, H. Hogard, Descript. Systeme des Vosges, 
p. 405, pi. xii. figs. 14 (also 16, 20). 
1837. Saurichthys conidens, H. Hogard, ibid. p. 406, pi. xii. fig. 15. 
1839. Saurichthys semicostatus, G. von Munster, Beitr. Petrefakt. 
pt. i. p. 118. [Teeth : Palaeontological Museum, Munich.] 
1844. Saurichthys mougeoti, L. Agassiz, Poiss. Foss. vol. ii. pt. ii. p. 85, 
pi. lv. a. figs. 12-15. 
1849. Saurichthys 'mougeoti, H. von Meyer, Palseontogr. vol. i. pp. 203, 
235, pi. xxviii. figs. 21-30. 
1852. Saurichthys mougeoti , F. A. Quenstedt, Handb. Petrefakt. p. 231, 
pi. xiii. fig. 56. 
1861. Saurichthys acuminatus, E. E. Schmid (errore), Nova Acta 
Acad. Cses. Leop.-Car. vol. xxix. no. 9, p. 21, pi. iii. figs. 18, 19. 
1861. Saurichthys apicalis, F. E. Schmid {errore), ibid. p. 22, pi. iii. 
figs. 13-17. 
1865. Saurichthys mougeoti, H. Eck, Form. bunt. Sandst. u. Muscbelk, 
Oberscblesien, p. 120. 
1873. Saurichthys mougeoti , K. Martin, Zeitscbr. deutsch. geol. Ges, 
vol. xxv. p. 723, pi. xxii. fig. 15. 
1892. Saurichthys mougeoti, 0. M. Reis, Geogn. Jabresb. 1891, p. 154. 
Type . Portion of jaw. 
A more robust and larger species than the type. Apical gano- 
dentine occupying more than one-third of the length of the tooth, 
except in the shorter and stouter examples; both the base and at 
least part of the apex marked with coarse longitudinal ribs and 
fine striations. 
Form. § Loc. Muschelkalk and Lettenkohl: France and Germany. 
