We relate the presence and structure of the surfactant system to those previously described in the swim bladders of another teleost, the goldfish, and those of the air‐breathing organs of the other ...

Letter Published: 16 July 1955 Herpetichthyes, Amphibioidei, Choanichthyes or Sarcopterygii? ALFRED SHERWOOD ROMER Nature 176, 126 (1955) Cite this article ...

WE are glad to see Prof. A. S. Romer's authority withdrawn from the unhappy term Choanichthyes; but we do not think it necessary or desirable to coin a new one to cover the Rhipidistia, Actinistia ...