The Encyclopedia Americana: A Library of Universal Knowledge, Količina 11Americana Corporation, 1936 |
Iz vsebine knjige
Zadetki 1–3 od 79
Stran 271
... fishes . The sense of hear- ing in fishes cannot be very acute and is prob- ably confined chiefly to the perception of dis- turbances in the water . Most movements of the fish are governed by sight rather than by sound . Voices of Fishes ...
... fishes . The sense of hear- ing in fishes cannot be very acute and is prob- ably confined chiefly to the perception of dis- turbances in the water . Most movements of the fish are governed by sight rather than by sound . Voices of Fishes ...
Stran 274
... fishes , as the salmon of the Pacific ( Oncorhynchus ) have a definite period of growth ( usually four years ) before spawning . After this act all the individuals die so far as known without exception . - Fishes differ greatly in ...
... fishes , as the salmon of the Pacific ( Oncorhynchus ) have a definite period of growth ( usually four years ) before spawning . After this act all the individuals die so far as known without exception . - Fishes differ greatly in ...
Stran 277
... fishes , derived from ganoid stock , the allies and predecessors of the great group of herrings . These become more numerous in the Jura , and in this age appear other forms which give the fish - fauna of this period something of a ...
... fishes , derived from ganoid stock , the allies and predecessors of the great group of herrings . These become more numerous in the Jura , and in this age appear other forms which give the fish - fauna of this period something of a ...
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