10 Pisces 
V. PISCES. 
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Priem, F. Sur des Poissons fossiles eocenes d’Egypte et de Roumanie et 
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Radde, G. Die Samralungen des Kaukasischen Museums, i. Zoologie. 
Tiflis, 1899, 4to, 520 pp., 24 pis. 
Rafinesque, C. S. Ichthyologia Ohiensis or Natural History of the Fishes 
inhabiting the River Ohio and its tributary streams. A verbatim 
and literatim reprint of the original, with a sketch of the life, the 
Ichthyological work, and the Ichthyological Bibliography of Rafinesque, 
by R. E. Call. Cleveland, 1899, 8vo, 175 pp. 
Rawitz, B. Ueber die Blutkorperchen einiger Fische. Arch. mikr. Anat. 
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Redeke, H. C. Kleine Beitrage zur Anatomie der Plagiostomen. Tijdschr. 
Nederland. Dierk. Yer. (2) vi, pp. 119-136, pis. iv & v. 
Reibisch, J. Ueber die Eizahl bei Pleuronectes platessa. Wiss. Meeres- 
untersucli. (2) iv, pp. 233-248, 1 pi. 
Reinhard, W. Zur Frage fiber die Bedeutung des Periblastes in der 
Entwicklung der Knoehenfische. Yorlaufige Mitteilung. Biol. 
Centrbl. xix, pp. 486 & 487. 
Ridewood, W. G. Some observations on the caudal diplospondyly of 
Sharks. J. Linn. Soc. xxvii, pp. 46-59. 
-. Note on the basibranchial skeleton of Echinorhinus spinosus. 
Anat. Anz. xv, pp. 346-348, fig. 
Romano, A. Sopra i centri nervosi elettrici dei Selacei. Monit. Zool. ital. 
x, Suppl., pp. iii-xxiii, pis. vi & vii. 
Ruckert, J. Die erste Entwickelung des Eies der Elasmobranchier. 
Festschrift C. v. Kupffer, pp. 581-704, figg., pis. lii-lix. 
Rutter, C. Notes on a collection of Tide-pool Fishes from Kadiak 
Islands in Alaska. Bull. U. S. Fish. Comm, xviii, pp. 189-192, fig. 
*Sacchi, Maria. Su d’ un caso d’ inversione nella pleurostasi di una 
Solea vulgaris. Riv. Sci. Biol. 1899. 
-. Altre casi d’ anomalie nel pleuronettidi. Boll. Mus. Genova 1899, 
No. 82, 3 pp. 
SiEMUNDSSON, B. Zoologiske Meddelelser fra Island, in. 3 Fiske nye 
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Salensky, W. Zur Entwicklungsgescliichte des Ichthyopterygiums. 
Proc. Intern. Congr. Zool. 1898, pp. 177-183. 
-. On the development of the vertical fins in Sturgeons [Russian 
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Santini, E. La voix des Poissons (Suite). Naturaliste xxi, pp. 12-14. 
Sauvage, H. E. Note sur les Pachy conn ides du Lias Superieur de Yassy 
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Schaper, A. Die nervosen Elemente der Selachier-Retina in Metliylen- 
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