ON THE MORPHOLOGY OF EGG FILAMENTS OF THIRTEEN SPECIES OF ICEFISHES(SALANGIDAE)

The present paper deals with the results of a preliminary study onthe disposition of filaments on the egg-membrane of salangid fishes, among thir-teen species, 4 are described for the first time and 6 with supplements or amend-ments. Five types of disposition are recognized, 1. fine and close, as seen in Protosalanx chinensis (Basilewsky) 2. sparse and straight: Hemisalanx prgnathus (Regan) 3. sparse and waved, Neosalanx oligodontis Chen 4. sparse and angulate: Leucosoma chinesensis (Osbeck) 5. short and radiated: Neosalanx taihuensis Chen