TITLES. 
Prot. 29 
350. Silberstein, M. Beobachtungen ueber die Entstehung von jungen 
Malariaparasiten aus alteren. Centrbl. Bakter. (1) xxxiv, Orig. 
pp. 149-155, 225-241. 
Abstract in Bull. Inst. Pasteur i, p. 722. 
351. Silvestri, A. Lageninae del mar Tirreno. Mem. Acc. Pont. Lincei 
xix, 1902, pp. 133-172, 74 figg. in text. 
352. . Linguloglanduline e Lingulonodosarie. Atti Acc. Pont. Lincei 
Ivi, pp. 45-50, 3 text-figg. 
353. . Dimorfismo e nomen datura d’ una Spiroplecta. Altre notizie 
sulla struttura della Siphogenerina columellaris. T. c. pp. 59-66, 
9 text-figg. 
354. . La forma megalospherica della Cyclammina cancellata. T. c. 
pp. 101-106, 2 text-figg. 
355. . Alcune osservazioni sui Protozoi fossili piemontesi. Atti Acc. 
Torino xxxviii, pp. 206-217, 4 text-figg. 
356. Simond, P. L. Note sur un Sporozoaire du genre Nosema , parasite 
du Stegomya fasciata. C.R. Soc. Biol, lv, pp. 1335-1337, 9 text-figg. 
. [See also Marchoux, Salimbeni, & Simond (248).] 
357. Sivori, F. & Lecler, E. Le Surra am^ricain ou Mai de Caderas. 
Ann. Min. Agric. Argentina i, pp. 1-79, 7 pis., 44 charts. 
358. Skeats, E. W. The chemical composition of limestones from upraised 
coral islands, with notes on their microscopical structures. Bull. Mus. 
Harvard xlii (geol. ser. vi), pp. 53-126, 10 text-figg. 
359. Smith, G. Actinosphcerium eichhorni. A biometrical study in the 
mass relations of nucleus and cytoplasm. Biometrika ii, pp. 241-254, 
pis. 1-4, 4 tables. 
Splendore, A. [See Lutz & Splendore (241).] 
360. Squinabol, S. Radiolarie fossili di Teolo (Euganei). Nota pre- 
liminare. Atti Acc. Padova xix, pp. 127-130. 
361. . La Radiolarie dei Noduli selciosi nella Scaglia degli Euganei 
Contribuzione I. Riv. ital. Pal. ix, pp. 105-150, pis. 8-10. 
362. *Statkewitsch, P. Ueber die Wirkung der Inductionsschlage auf 
einige Ciliata. Physiologiste Russe Moscou iii, pp. 1-55, 17 figg. 
363. Steinmann, G. Ueber eine stockbildende Nubecularia aus der 
sarmatischen Stufe (A. ccespitosa n. f.). Ann. Mus. Wien xviii, 
pp. 112-116, 6 text-figg. 
364. Stempell, W. Beitrage zur Kenntniss der Gattung Polycaryum. 
Arch. Protistenk. ii, pp. 349-363, pi. 9. 
Abstract in Bull. Inst. Pasteur i, p. 516. 
365. — — . Ueber die Fortpflanzung der Protozoen. Zusammenfassende 
Uebersicht. Mt. Ver. Vorpomm. xxxiv, pp. 89-97. 
[ . Zool. Rec. 1902 (377).] Abstract (of technique) in Zeitschr. 
wiss. Mikr. xx, pp. 47-49. 
366. Stephens, J. W. & Christophers, S. R. The practical study of 
malaria and other blood parasites. London (Longmans, Green & Co.), 
1903, 8vo, pp. (vi + 378 + xxxv), 2 pis., 93 text-figg. 
367. & . Note on the changes in the red cell produced by the 
malignant tertian parasite. Brit. Med. Journ. 1903, i, p. 730. 
Abstract in Bull. Inst. Pasteur i, p. 229. 
