IV. Pisces für 1906. |1 



Calderwood, W. L. Note on the smolt to grilse stage of the salmon, 

 with exhibition of a marked fish recaptured. In: Proc. R. Soc. 

 Edinburgh 26. p. 321—4. Fig. 



Caineron, J. The Development of the Vertebrate Nerve Cell: 

 A Cytological Study of the Neuroblast-Nucleus. In : Brain, Vol. 29, 

 p. 332—362. 4 pls. 



Verf. findet u. a., daß ,,a modification in our present acceptation 

 of the Wallerian law of degeneration will be necessary. The latter 

 ought therefore to read somewhat as follows: An axon, when cut off 

 from its nutritive centre, i. e. the nucleus of a nerve-cell, soon exhibits 

 degenerative changes." 



Camps, de y Olzinellas, C. de. Observaciones ictiologicas. In: 

 Mem. R. Ac. Cs. Barcelona. 5. p. 473—8. 



Carlson, A. J. The presence of cardio-regulative nerves in the 

 lampreys. In: Amer. Journ. Physiol. 16. p. 230 — 2. 



Carruecio, A. Sulla Selache maxima Gunner. teste avuta dal 

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 (2) 6. p. 191—202. 



Cepede, C. (I). Sur la pretendue immunity des Cobitis ä l'egard des 

 infections myxosporidiennes. In: C.-R. Soc. biol. Paris 60. p. 15 — 16. 



— (3). Sur une Microsporidie nouvelle, Pleistophora raacrospora, 

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 p. 56—58. 



Selten vorkommend, bei Cobitis barbatula L., in einem intra- 

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— (3). Myxidium giardi Cepede et la pretendue immunite des 

 anguilles ä l'egard des infections myxosporidiennes. In : C. R. biol. 

 Paris. 60. p. 170—173. Fig. 



— (4). Myxosporidies des Poissons des Alpes Frangaises. In: 

 Ann. l'univ. Grenoble. 18. p. 57—68. 



Untersucht 14 Fischarten (1 Barbus, 1 Gobio, 1 Alburnus, 1 Leu- 

 ciscus, 1 Scardinius, 3 Squalius, 1 Phoxinus, 1 Cottus, 1 Aspro, 1 Cobitis, 

 1 Esox, 1 Salmo), die 5 Myxobolus- 2 Henneguya- und 1 Myxidiumart 

 beherbergten. Von diesen sind die drei letzteren neu (von Cobitis 

 barbatula und Esox lucius). 



CerfoDtaiue, P. Recherches sur le developpement de l'Amphioxus. 

 In: Arch. Biol. 22. p. 229—418. 9 Figg. T. 12—22. 



Cerruti, Attil. Süll' evoluzione dell' novo ovarico nei Selacii. 

 In: Atti Acc. Sei. Napoü (2) 13. No. 3. 88 pp. Fig. 7 Taf. 



f Cliapman, F. New or little known Victorian f ossils in the National 

 Museum, Melbourne. VII. A new Cephalaspid from the Silurian of 

 Wombat Creek. In: Proc. R. Soc. Victoria, 18. p. 93— 100. Taf. VII 

 —VIII. 



Chiappi, T. Le specie italiane di Leuciscus comprese nel sottogenere 

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t'hiarugi, G. Della regione parafisaria del telencefalo e di alcuni 

 ispessimenti del corrispondente ectoderma tegumentario in embrioni 



