394 



of the Teleosts. The third ventricle is almost entirely obliterated, the only part 

 remaining pervious is the lower half corresponding to the infundibulum. There 

 is no communication between it and the aquaeduct of Sylvius. The largest seg- 

 ment of the brain is the medulla oblongata , containing two pairs of ganglia with 

 the largest cells in the nervous system of Myxine. 

 Gill, Theod., On the Nomenclature and Characteristics of the Lampreys, in: 

 Proc. U. S. Nat. Mus. Vol. 17. No. 989. p. 107—110. 



Families: Mordaciidae , with the only genus Mordacia (with Caragola Gray), 

 and Petromyzonidae, with Petromyzon and Lampetra. 

 Paratre, Eené, Remarques sur la dissémination des poissons par les animaux 

 aquatiques; introduction d'un vairon [Phoxinus laevis) dans un réservoir 

 d'eau pluviale, in: Mém. Soc. Zool. France, T. 7. 2./3. P. p. 177 — 184. 

 Le vairon doit être introduit à l'état d'oeuf dans un bassin placé sur un bâti 

 en bois d'une hauteur de 4 m et 22.50 m au dessus du niveau de l'Indre. 

 Gill, Theod. , The Nomenclature of the family Poeciliidae or Cyprinodontidae. 

 in: Proc. U. S. Nat. Mus. Vol. 17. No. 991. p. 115—116. 

 Poeciliidae is the correct name, with a subfamily Poeciliinae. 

 Gill, Theod., The differential characters of the Salmonidae and Thy mallidae . 

 ibid. No. 992. p. 117—122. 



Salmonidae: D. short normal, no supracostal spines, parietals separated by the 



supraoccipital which connects with the frontals. Subfam. Salmoninae , Corego- 



ninae, Stenodotitinae. Thymallidae: D. longer, anterior half with graduated simple 



rays, supracostal spines, parietals meeting in the middle: g. Thymallus. 



Blanc, H., Fertilization of Trout's Ovum. Abstf. in: Journ.R.Micr. Soc. London, 



- 1894. P. 4. p. 435. 



Ber. Nat. Ges. Freiburg. — v. supra p. 25. 

 Jordan, Dav. Starr, Description of a new Subspecies of Trout from McCloud 

 River, California, in: Proc. Ac. Nat. Sc. Philad. 1894. P. I. p. 60. 

 Salmo Gairdneri Stonei. 

 Pritsch, Ant., Der Elbelachs. Eine biologisch - anatomische Studie. Mit 

 85 Textfigg. und 1 Farbendrucktaf. Veröffentlicht mit Subvention des 

 Hohen Landtages des Königreiches Böhmen. Prag, Selbstverlag; F. Riv- 

 nâc in Comm., 1894. Lex.-S». (116 p.) Ji 5,—. 

 Gill, Theod. , On the relations and nomenclature of Stizostedion and Lucio- 

 perca, in: Proc. U. S. Nat. Mus. Vol. 17. No. 993. p. 123—128. 

 Stizostedion Rafin. (1820) has precedence over Lucioperca Cuv. et Val. 

 Thymallidae, v. Salmonidae, Th. Gill. 



b) Amphibia. 

 Cope, E. D., Third Addition to a knowledge of the Batrachia and Reptilia of 

 Costa Rica, in: Proc. Ac. Nat. Sc. Philad. 1894. p. 194—206. 



Amphibia: 5n. sp.; n. g. Levirana; Reptilia: 8(7n.)8p. ; n. g. Pogonaspis. 

 (Ophid.J 

 Amphibien der ionischen Inseln, v. Reptilia, Frz. Werner. 

 Amphibia of Trinidad. V. Reptilia, R.R.Mole. 

 Amphibien von Algerien, v. Reptilia, E. Olivier. 



Pield, Hy. Havil. , Zur Entwicklung der Harnblase bei den Coecilien. Eine 

 Nachschrift, in: Anat. Anz. 9. Bd. No. 24/25. p. 764—766. 



Der caudale Blasenast ist ein Rudiment eines früher höher ausgebildeten 

 Organs. 

 Fiel d, Hy. Havil., Development of Excretory Apparatus in Amphìuma. Abstr. in: 

 Journ. R. Hier. Soc. London, 1894. P. 4. p. 435—436. 

 Compt. rend. Ac. Sc. Paris. — v. supra p. 282. 

 Pish, Pierre A. , The Form and Relations of the Nerve Cells and Fibres in 



