Zoological Articles Contributed to the "encyclopaedia Britannica"
The book Zoological Articles Contributed to the "encyclopaedia Britannica" was written by author Lankester, E. Ray (Edwin Ray), Sir, 1847-1929 Here you can read free online of Zoological Articles Contributed to the "encyclopaedia Britannica" book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Zoological Articles Contributed to the "encyclopaedia Britannica" a good or bad book?
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The fully-developed medusiform Fig. 37. — Vortionof co\ojiy of BougainviUea(Endendnum) fruficosa^Anthomedusce- calyptoblastea) more magnified. (From Lubbock, after Allman.) persons never possess otooysts nor tentaculocysts, but always ocelli at the base of the tentacles. The latter are usually four or six, corresponding to the same number of simple radial enteric canals, but may be more numerous or reduced to one or to two ; rarely they are branched {Cladonema), Fio. 88.— Diagram of Clava, show...ing a liydriform person sun-ounded by a verticil of degenerate medusiform persons (sporosacs). (After Allman.) Fig. 39. — Diagram of a colony of Hydractima,i showing four fouai of persons, a, liydriform person; *, modified hydriform person, or blastostyle, bearing c, degenerate medusiform persons or sporosacs; d, modified hydriform person situated at the margin of the colony (dactylozooid). (After Aliman.) Fig. 40.— Diagram of a colony of Dicoryne^ showing three forms of persons, a, normal hydriform person ; 6, modified bad-bearing hydriform person (blasto- style) ; c, degenerate medusiform persons (sporosacs).
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