30 Echin . 
XIV. ECHINODERMA. 
also a popular abstract by the Author, entitled “ Befruchtungs und 
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pp. 241-243, 11 text-figg. (1900). 
247. [PROWAZEK, S.] Zellthatigkeit und Yitalfarbung. Zool. Anz. 
xxiv, pp. 455-460. (5 Aug.) [n, f, viii.] 
248. PRUYOT, G. Le “Roland” et sa premiere croisiere sur la cote de 
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text-figg. [n, d, iii, a. m, a, ii.] 
Abstract by J. Meisenheimer, Zool. Centrlbl. ix, p. 108. (11 
March, 1902.) 
-. See Ludwig, H. 
249. PRZIBRAM, H. Experimentelle Studien ueber Regeneration. 
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Abstract: in Ludwig (195). 
250. -. Experimentelle Studien fiber Regeneration. Arch. Entwick- 
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Abstracts: by R. S. Bergh, Zool. Centrlbl. viii, pp. 619-621 
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251. RADOYANOYIC, S. “ Zeigt.Fossilien aus den phyllitischen 
palaozoischen Schiefern ( Ctenocrinus typus , &c.).” SB. serb. geol. 
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Translation from Zaplsnltzi srpskogh geoloshkogh drushtva, 
Belgrade, vii, No. 3, p. 2 (Dec. 1897). 
252. RANKIN, W. M. Echinoderms collected off the West Coast of 
Greenland by the Princeton Expedition of 1899. P. Ac. Philad. 
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253. RASP AIL, J. Contribution a l’etude de la falaise jurassique de 
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254. RAUSCHENPLAT, E. Ueber die Nahrung von Thieren aus der 
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255. RAWITZ, B. Yersuche ueber Ephebogenesis. Arch. Entwickmech. 
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Abstracts: Rivista Biol, general, iii, pp. 381, 382 (May, 1901); 
by R. S. Bergh, Zool. Centrlbl. viii, pp. 223, 224 (9 April, 1901); 
by P. Mayer, Zool. Jahresber. 1901 (Aug. 1902). 
256. -. Neue Yersuche ueber Ephebogenesis. Arch. Entwickmech. 
xii, pp. 454-470, pi. x. (2 Aug.) [ii, F, iv, viii.] 
Abstracts : by R. S. Bergh, Zool. Centrlbl. viii, p. 851 (31 Dec. 
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257. REED, F. R. C. Woodwardian Museum notes: Salter’s Lmdescribed 
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258. REIFFEN, A. Ueber eine neue Holothuriengattung von Neusee- 
land. Zeitschr. wiss. Zool. lxix, pp. 598-621, pi. xlv. (28 May.) 
[ii, a, iii : b, i, b, 2, 5, 6, 8 , 9, 10, 12 ; ii, d, 1 . iv, b, Ludwigia.\ 
Abstracts : by H. Ludwig, Zool. Centrlbl. viii, p. 570 (10 Sept. 
1901); J. R. Micr. Soc. 1902, p. 436 (Aug. 1902). 
259. REMES, M. O zrudnostech lilijic z cerveneho vapence koprivnickeho. 
[On deformations of crinoids from the red limestone of Nesselsdorf. 
