MYLIOBATIDiE. 
125 
Myliobatis Tiaidingeri , G. von Munster, op. cit. pt. vii. p. 24, 
pi. iii. fig. 3 ; J. Probst, tom. cit. p. 93.—Miocene; Yienna 
and Baltringen. 
Myliobatis lateralis , L. Agassiz, tom. cit. p. 331, pi. xlv. figs. 24-27. 
—London Clay ; Isle of Sheppey. 
Myliobatis leptacanthus , A. de Zigno, tom. cit. p. 686, pi. v. fig. 5. 
—Upper Eocene ; Monte Bolca. 
Myliobatis marginalise L. Agassiz, tom. cit. p. 331., Upper 
Eocene; Barton Cliff. 
Myliobatis oiueni, L. Agassiz, tom. cit. p. 331, pi. xlv. figs. 11-13 ; 
E. Dixon, Foss. Suss. pi. x. fig. 10.—Middle Eocene; 
Bracklesbam Bay. 
Myliobatis ( Zygobatis ) rima , H. von Meyer, Neues Jabrb. 1S44, 
p. 334.—L. Miocene ; Meinheim, Hessen-Darmstadt. 
Myliobatis (. Zygobatis ) rugosus, H. von Meyer, Neues Jalirb. 
1844, p. 335.—L. Miocene; Y r einbeim. 
Myliobatis speciosus , G. von Munster, op. cit. pt. v. (1842) p. 6/. 
—Miocene; Neudorfl, near Yienna. 
Myliobatis sternbergii , L. Agassiz, tom. cit. p. 3o0, pi. xlv. fig. 10. 
Yalley of Brenta. 
Myliobatis toliapicus, L. Agassiz, tom. cit. p. 331, pi. xlv. figs.21—23; 
E. Dixon, op. cit. pi. x. fig. 36. (?) E. Noetling, Abh. Geol. 
Specialk. Preussen u.Thiiring. Staaten, vol. vi. pt. 3 (1885), 
p. 22, pi. ii. fig. 2.—Eocene; S.E. England. 
Sates biserratus , J. Probst, Y iirtt. Jabresb. ^ol. xxxiii. (IS / /), 
p. 92, pi. ii. fig. 5.—Molasse ; Baltringen, Ybirtemberg. 
Sates Jluitans, J. Probst, tom. cit. p. 91, pi. ii. fig. 4. Molasse , 
Baltringen. 
Sates lineatus , J. Probst, tom. cit. p. 90, pi. ii. fig. 3.—Molasse; 
Baltringen. 
Sates spectabilis, J. Probst, tom. cit. p. 88, pi. ii. fig. 1.—Molasse; 
Baltringen. 
Yertebrse supposed to be referable to Myliobatis are described by 
C. Hasse (Yatiirl. Syst. Elasm., Besond. Tbeil, p. 154), from tbe 
Jurassic, Cretaceous, and Tertiary of tbe Continent. 
Genus RHINQPTEBA, Muller (“ ex Kuhl^”). 
[Abb. pbys.-matb. Cl. k. Akad. Y iss. Berlin, 1S34, p. 236.] 
Syn. Zygobates , L. Agassiz, Poiss. Eoss.^vol. iii. 1843, p. 328. 
Mylorhina, T. Gill, Ann. Lyc. Nat. Hist. New Y oik, "\ol. a iii- 
1867, p. 136. 
Micromesus , T. Gill, tom. cit. p. 136. 
Head free from tbe disk ; so-called cephalic fins paired. Teetb 
