TITLES. 
Venn. 23 
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344. Raspail, X. Deuxieme note sur une Planaire sp. ? Bull. Soc. zool. 
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345. Reibisch, J. Wirbellose Bodentiere. Abb. deutsch. Seefisch.-Ver. 
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346. *Remes, M. Nachtriige zur Fauna von Stramberg. i. Die Fauna 
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346a. Retzius, G. Weiteres zur Kenntniss der Sinneszellen der Everte- 
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347. Reuss, H. Beobachtungen an der Sporocyste und Cercarie des 
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348. Rhumbler, L. LTeber embryonale und posternbryonale Schalenver- 
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349. Ribaucourt, E. de. Etude sur l’anatomie comparee des Lombricides. 
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350. Rice, W. J. Studies in Earthworm chloragogue. Biol. Bull, iii, 
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351. Ritter, W. E. A summer’s dredging on the coast of Southern 
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352. ——. The axial skeleton of the Enteropneusta, considered from a 
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353. -——. A revised classification of the Enteropneusta. Amer. Natural, 
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354. -. The movements of the Enteropneusta and the mechanism by 
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355. -. I. The structure and significance of the heart of the Entero¬ 
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356. Rizzo, A. La fauna elmintologica dei rettili nella Provincia di 
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Monit. Zool. ital. xiii, p. 26. 
