30 Prot. 
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[ 1905 ] 
440. [Sergent, E. & E.] Evolution des Hfimatozoaires de V Athene noqtua , 
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Detailed account of experiments confirmatory of Schaudinn’s work, 
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441. Sevin, — . Sur Vaction trypanolytique du s<3rum de rat. C.R. Soc. 
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— — . [See also Levaditi, C. & Sevin (261 & 262).] 
442. Sidebottom, H. Report on the Recent Foraminifera from the Coast 
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chester Soc. xlix, No. 5, 22 pp., 3 pis., 1 text-fig. 
443. . On Nevillina , a new genus of Foraminifera. T. c. No. 11, 
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444. Siedlecki, M. Ueber die Bedeutung des Karyosoms. Bull. Ac. 
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> [See also Krzysztalowicz, F. & Siedlecki (223).] 
445. Siegel, J. Untersuchungen fiber die iEtiologie der Pocken und 
der Maul- und Klauenseuche. Abh. Ak. Berlin 1905 (Section 2), 
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446. . Untersuchungen fiber die iEtiologie des Scharlachs. T. c. 
No. 2, 14 pp., 1 pi. 
447. . Untersuchungen fiber die iEtiologie der Syphilis. T. c. 
No. 3, 15 pp., 2 pis. 
448. . Kurze Mittheilung fiber Cytorrhyctes variolce ( vaccince ). SB. 
Ges. naturf. Berlin 1905, pp. 195-197, 1 text-fig. 
449. Silvestri, A. Osservazione critiche sul genere Baculogypsina Sacco. 
Atti Acc. Pont. Lincei lviii, pp. 65-82, 8 text-figg. 
450. . Lepidocyclince ed altri fossili del territorio d’Anghiari. T. c. 
pp. 122-128, 1 text-fig. 
.451. . Sul Dictyoconus cegyptiensis (Chapman). T. c. pp. 129-131. 
452. . A proposito della Cyclammina uhligi e C. pusilla var. draga. 
Riv. ital. Pal. xi, pp. 71-73, 3 text-figg. [Compare Schubert 
(421)-] 
453. - — -. Le Chapmania gassinensis Silv. T. c. pp. 113-120, pi. 2, 
2 text-figg. 
454. . Notizie sommarie su tre faunule del Lazio. T. c. pp. 140- 
145. 
List of Foraminifera occurring. 
‘455. — — . Necrologie. 0. Schlumberger. T. c. pp. 151-154. 
[See ii. g. 3.] 
. [See also Prever, P. L. & Silvestri (361).] 
456. *Sjobring, N. The micro-organism of vaccine ( Strombodes jenneri 
ad int.) with a note on the relation of variole and vaccine to one 
another. Hygeia, Stockholm, 2, i, 1902, pp. 357-359. 
457. * . Ueber Krebsparasiten. Verh. Deutsch. zool. Ges. xxx, ii, 
1901, pp. 751-769, l pi. [ Strombodes n. gen., proposed.] 
458. Skorikow, A. S. Beobachtungen fiber das Plankton der Newa. 
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459. - — . Recherches sur le plankton de la Neva. Trudui Kharkov. 
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