The Encyclopædia britannica; a dictionary of arts, sciences, literature and general information

Description:

Identifier: encyclopdiabri01chis (find matches)
Title: The Encyclopædia britannica; a dictionary of arts, sciences, literature and general information
Year: 1910 (1910s)
Authors: Chisholm, Hugh, 1866-1924
Subjects: Encyclopedias and dictionaries Encyclopedias
Publisher: Cambridge, Eng., New York : At the University press
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
ored up in theform of a fatty substance and not starch. A certain inequality inthe character of the two cilia of the zoospores of some of the membersof the group has earned for it the title Heterokontae, from the GreekKopTos, a punting-pole. In consonance with this name, its authorspropose to re-name the Conjugatae; Akontaeand Oedogoniaceae witha chaplet of cilia become Stephanokontae, and the algae remainingover in the three series from which the Heterokontae and Stephano-kontae are withdrawn become Isokontae. Conjugatae, Protococcalesand Characeae are exclusively freshwater; Confervales and Siphon-ales are both freshwater and marine, but the latter group attainsits greatest development in the sea. Some Chlorophyceae are terres-trial in habit, usually growing on a damp substratum, however.Trentepohlia grows on rocks and can suridve considerable desicca-tion. Phycopeltis grows on the surface of leaves, Phyllobium andPhyllosiphon in their tissues. Gomontia is a shell-boring alga, ALGAE
Text Appearing After Image:
A. Chlamydomonas sp., unicellular;cAr.,chromatophore;p.,pyrenoid; n., nucleus; p.v., pulsating vacuoles; e.s., oycspot.Bi. Volvox sp., with a, antheridia, and o, oogonia.B2. Volvox sp., surface view of a single cell showing connexions. C. Pandorina sp., a i6-celled colony. D. Hydrodiclyon, a single mesh surrounded by 6 cells. E. Microspora sp., showing H-picces in the wall. F. Entodermn sp., endophytic in Eclocarpus. G. Coleochaete sp., growing as a plate. Fig. 2.—Chlorophyceae, variously magnified. H. (A. C, E. F. G, Oedogonium sp., intercalated grovrth by insertion of new piece(