608 
ACTINOPIEKYGII. 
Rhombus dbroptery.v , H. E. Sauvage, Ann. Sci. Nat. [5] vol. xiv. 
(1870), art. no. 7, p. 5, and Ann. Sci. Geol. vol. iv. (1873), 
art. no. i. p. 104, fig. 4. — Upper Miocene ; Licata, Sicily. 
Rhombus bassanianus , D. G. Kramberger, Beitr. Paliiont. 
Oesterr.-Ungarns, vol. iii. (1883), p. 71, pi. xiii. figs. 1, 
2. — Upper Mioceno ; Dolje and Vrabee, Croatia. [Geo- 
logical Museum, University of Agram.] 
Rhombus fitzingeri , J. ,T. Heckel, Neues Jahrb. 1849, p. 500 
(name only). — Middle Miocene; Margarethen, Vienna. 
[Court Museum, Vienna.] 
Rhombus heckeli, R. Kner, Denkschr. k. Akad. Wiss., rnath.- 
naturw. Cl. vol. xix. (1861), p. 75, pi. x. fig. 12 ; F. 
Bassani, Atti Soc. Venoto-Tront. Sci. Nat. vol. vii. (1880), 
p. 89. — Ibid. [Court Museum, Vienna.] 
Rhombus ligusticus, C. Pollini, Sopra Alcuni Avanzi di Pesci 
Fossili Terziari (Milan, 1889), p. 92, fig. 7. — Lower 
Oligocene; Santa Giustina, Liguria. [Geological Museum, 
University of Genoa.] 
Rhombus parvulus, D. G. Kramberger, loc. cit. 1883, p. 72, 
pi. xiii. fig. 3. — Upper Mioceno ; Dolje and Podsused, 
Croatia. [Geological Museum, University of Agram.] 
The undefined names Rhombus minutus, R. nardii, R. richiardii, 
and R. sauvagei are given to fishes from the Upper Miocene of 
Gabbro, Tuscany, by Bosniaski, Atti Soc. Tosc. Sci. Nat. — Proc.- 
Verb. vol. i. (1878), p. xix, and Capellini, Mem. K. Accad. Lincei 
[3] vol. ii. disp. i. (1878), p. 285. Rhombus caudatus and R. eutrensis 
are also undefined names for fishes from the supposed Upper Miocene 
of Cutro, Calabria (Bosniaski, ibid. vol. i. 1879, p. lxxxii). 
An otolith of a form not represented in the Collection has been 
described thus : — 
Otolithus (? Rhombus) rhenanus, E. Koken, Zeitschr. deutsch. geol. 
Ges. vol. xliii. (1891), p. 107, pi. v. fig. 11. — Middle 
Oligocene; Waldbbekelheim. 
Genus PLEURONECTES (Artedi), Linnmus. 
[Syst. Nat. ed. 10, 1758, p. 268.] 
Syn. Platessa, G. Cuvier, Regne Animal, vol. ii. 1817, p. 220. 
Mouth small ami unsymmetrical, with dentition more developed 
on the blind than on the coloured side ; a single or double series of 
small teeth on the margin of the jaws, but none on the vomer or 
