TITLES. 
Pisces 11 
[Perugia, A.] Sopra alcuni Pesci di Engano raccolti dal Dott. Elio 
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Pfeffer, G. Ostafrikanische Fische gesammelt von Herrn Dr. F. 
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. Ueber die Wanderung des Auges bei den Plattfischen. Yerh. 
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Piers, H. Notes on Nova Scotian Zoology. No. 2. P. N. Scotia Inst. 
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Pilliet, A. H. Note sur l’estomac des Pleuronectes. C.R. Soc. Biol. 
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. Recherches liistologiques sur l’estomac des Poissons osseux 
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Pollard, II. B. Observations on the Development of the Head in 
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. The “ Cirrhostomial ” Origin of the Head in Vertebrates. Anat. 
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Prince, E. E. On the Formation of Argenteous Matter in the Integu- 
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. The Development of the Pharyngeal Teeth in the Labridce. T. c. 
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Rabl-Ruckhard, H. Der Lobus olf actorius impar der Selachier. Anat. 
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Reid, E. W. The Electromotive Properties of the Skin of the Common 
Eel. Phil. Trans, clxxxiv (b), 1893, pp. 335-365. 
. The Process of Secretion in the Skin of the Common Eel. 
(Abstract.) P. R. Soc. London, liii, 1893, pp. 36-41. 
Retzius, G. Die nervosen Elemente im Riickenmarke der Knochen- 
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. Das Gehirn und das Auge von Myxine. T. c. pp. 55-68, pis. xxiv- 
xxvi. 
. Ueber Geschmacksknospen bei Petromyzon. T. c. pp. 69 & 70, 
pi. xxvii. 
Reuter, O. M. Nordiska Sugfisken ( Liparis lineatus , Lep.) funnen i 
Nylands skargard. Medd. Soc. Faun. Fenn. xvii, 1892, pp. 168-172. 
