Nature, Volume 55Nature Publishing Group, 1896 - Science |
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Page 21
... occur granules different from the central substance . Cell - division occurs with- out the karyokinetic figures . PTERIDOPHYTA , & C . A paper of exceptional importance was read by Mr. Lang , on some peculiar cases of apogamous ...
... occur granules different from the central substance . Cell - division occurs with- out the karyokinetic figures . PTERIDOPHYTA , & C . A paper of exceptional importance was read by Mr. Lang , on some peculiar cases of apogamous ...
Page 90
... occur in less numbers . Diatoms are , as I have said , scarce , the most abundant being Coscinodiscus concinnus and Rhizosolenia gracillima . In winter and early spring the unicellular alga , Halosphaera viridis is found ir . abundance ...
... occur in less numbers . Diatoms are , as I have said , scarce , the most abundant being Coscinodiscus concinnus and Rhizosolenia gracillima . In winter and early spring the unicellular alga , Halosphaera viridis is found ir . abundance ...
Page 514
... occurred to the east of 27 W. long , and north of 29 ° S. lat . The yearly distribution westward of 25 ° W. long , is ... occur more frequently within a distance of 500 miles from the coast than beyond that In north - easterly storms the ...
... occurred to the east of 27 W. long , and north of 29 ° S. lat . The yearly distribution westward of 25 ° W. long , is ... occur more frequently within a distance of 500 miles from the coast than beyond that In north - easterly storms the ...
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