XIV 
INTRODUCTION. 
H. E. Sauvage 1 ; of Belgium by H. Le Hon 2 and T. C. Winkler 3 ; 
of Germany by Count Munster 4 , K. E. Schafhautl 5 , J. Probst e , 
H. B. Geinitz 7 , and E. Noetling 8 ; of Italy by E. Bassani 9 and B. 
Lawley 10 ; of Egypt by W. Dames 11 ; of the United States by B. W. 
Gibbes 12 and J. Leidy 13 ; and of New Zealand by J. AY. Davis 14 . 
The only complete skeletons of Tertiary Elasmobranchs, however, 
1 II. E. Sauvage, “ Etude sur les Poissons des Faluns de Bretagne/’ Mem. 
Soc. Sci. Nat. Saone-et-Loire, vol. iv. (1882), pp. 37-59, pis. i., ii. 
2 H. Le Hon, Preliminaires d’une Memoire sur les Poissons Tertiaire de 
Belgique, 1871. 
3 T. C. Winkler, “ Memoire sur des Dents de Poissons du Terrain Bruxellien,” 
Arcliiv. Mus. Teyler, vol. iii. (1874), pp. 295-304, pi. vii. ; and “ Deuxieme 
Memoire, ditto,” ibid. vol. iv. (1876), pp. 16-28. “Memoire sur quelques Be3tes 
de Poissons du Systeme Heersien,” ibid. vol. iv. pp. 4-15, pi. i. “Note sur 
quelques Dents de Poissons Fossiles de l’Oligocene Inferieur et Moyen du Lim- 
bourg,” ibid. vol. v. pp. 73-84. 
4 G. von Munster, Beitrage zur Petrefaktenkunde, Hefte. v. (1842), vi. 
(1843), vii. (1816). 
5 K. E. Schafhautl, Siid-Bayerns Lethsea Geognostica, 1863. 
6 J. Probst, Beitrage zur Kenntniss der fossilen Fische aus der Molasse 
von Baltringen,” Wiirtt. Jahresh. vol. xxxiv. (1878), pp. 113-154, pi. i., and 
ibid. vol. xxxv. (1879), pp. 127-191, pis. ii., iii. “ Fossile Wirbel von Haien 
und Bochen aus der Molasse von Baltringen,” ibid. vol. xlii. (1886), pp. 301- 
315, pi. ix. 
7 H. B. Geinitz, “ Die sogenannten Koprolithenlager von Helmstedt, Biid- 
denstedt und Schleweke bei Harzburg,” Abh. Naturw. Ges. Isis Dresden, 1883, 
pp. 3-14, pi. i., with two supplements, ibid. 
8 F. Noetling, “ Die Fauna des samlandischen Tertiars,” Lief. i. pis. i.-x. 
Abh. Geol. Specialk. Preussen u. Thiiring. Staaten, vol. vi. pt. 3 (1885). 
9 F. Bassani, “ Ittiodontoliti del Yeneto,” Atti Soc. Yeneto-Trent. Sci. Nat. 
vol. v. (1878), pp. 275-308. 
10 B. Lawley, Nuovi Studi sopra ai Pesci ed altri Vertebrati Fossili delle 
Colline Toscane, 1876.—Studi Oomparativi delle Pesci Fossili coi Yiventi dei 
Generi Carcharodon , Oxyrhina , e Galeocerdo, 1881. 
11 W. Dames, “ Ueber eine tertiare Wirbelthierfauna von der westlichen 
Insel des Birket-el-Qurun in Fajum (Aegypten),” Sitzungsb. k. preuss. Akad. 
Wiss. 1883, pt. i. pp. 129-153, pi. iii. 
12 B. W. Gibbes, “ Monograph of the Fossil Squalidae of the United States,” 
Journ. Acad. Nat. Sci. Philad. [2] vol. i. (1848-49), pp. 139-147, 191-206, 
pis. xxiii.-xxi., xxv.-xxvii. 
13 J. Leidy, “ Description of Vertebrate Bemains, chiefly from the Phosphate 
Beds of South Carolina,” Journ. Acad. Nat. Sci Philad. [2] vol. viii. (1877), 
pp. 233-254, pis. xxxi.-xxxiv. (in part). 
14 J. W. Davis, “ On Fossil Fish-remains from the Tertiary and Cretaceo- 
Tertiary Formations of New Zealand,” Trans. Boy. Dublin Soc. [2] vol. iv. 
(1888), pp. 1-41, pis. i.-vii. 
