ISBN: 9781230082943

RareBooksClub.com. Paperback. New. This item is printed on demand. Paperback. 184 pages. Dimensions: 9.7in. x 7.4in. x 0.4in.This historic book may have numerous typos and missing text.… Mehr…

RareBooksClub.com. Paperback. New. This item is printed on demand. Paperback. 184 pages. Dimensions: 9.7in. x 7.4in. x 0.4in.This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: . . . we will study upon one-of the widely-distributed species of Gleocapsa. We choose-G. polyckermatica (Fig. 82), growing upon damp walls; or rocks, recognisable-from their dirty green to olive colour, and their firm-, clearly and repeatedly layered, gelatinous envelopes. Other species, with less beautifully laminate gelatinous envelope, will serve the same end. In all of them we find in the gelatinous envelope uniformly coloured cells, more or less clearly granular, and devoid of nucleus. By these peculiarities of their cell-body the Chroococcacess are distinguished from Protoooccaceoa and especially Palmellacese, which in many forms very strongly resemble them, but which have a nucleus, and chromatophores, separated from the rest of the protoplasmic body. Fig. 82. --GVeocapm pelydfermatwo. In A, at the commencement of division; in B, to the left; shortly after division (x M0)i More readily obtainable, and very like, is G. caldariorum, a species growing commonly on the walls, flower-pots, and glass, etc. , in conservatories and greenhouses. ed. c See note on page 220. In Gleocnpsa polydermatica the cell-bodies arisen from just previous division are quite globular (Fig. 82, C). They then begin to grow in length, and become ellipsoidal. They then show a weak hour-glass-like constriction (. A) in mid-length, after which a delicate partition wall becomes visible at this place. The daughter-cells now round off towards one another, and, by swelling of the separating wall, and the thickening layers afterwards developed, bacome thrust back from one another. Owing to the ever-new development of gelatinous layers in the interior, the older ones become stretched, finally ruptured and cast off9 often parts of such layers are found, while the rest have. . . This item ships from La Vergne,TN., RareBooksClub.com<

ISBN: 9781230082943

RareBooksClub. Paperback. New. This item is printed on demand. Paperback. 184 pages. Dimensions: 9.7in. x 7.4in. x 0.4in.This historic book may have numerous typos and missing text. Pur… Mehr…

RareBooksClub. Paperback. New. This item is printed on demand. Paperback. 184 pages. Dimensions: 9.7in. x 7.4in. x 0.4in.This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: . . . we will study upon one-of the widely-distributed species of Gleocapsa. We choose-G. polyckermatica (Fig. 82), growing upon damp walls; or rocks, recognisable-from their dirty green to olive colour, and their firm-, clearly and repeatedly layered, gelatinous envelopes. Other species, with less beautifully laminate gelatinous envelope, will serve the same end. In all of them we find in the gelatinous envelope uniformly coloured cells, more or less clearly granular, and devoid of nucleus. By these peculiarities of their cell-body the Chroococcacess are distinguished from Protoooccaceoa and especially Palmellacese, which in many forms very strongly resemble them, but which have a nucleus, and chromatophores, separated from the rest of the protoplasmic body. Fig. 82. --GVeocapm pelydfermatwo. In A, at the commencement of division; in B, to the left; shortly after division (x M0)i More readily obtainable, and very like, is G. caldariorum, a species growing commonly on the walls, flower-pots, and glass, etc. , in conservatories and greenhouses. ed. c See note on page 220. In Gleocnpsa polydermatica the cell-bodies arisen from just previous division are quite globular (Fig. 82, C). They then begin to grow in length, and become ellipsoidal. They then show a weak hour-glass-like constriction (. A) in mid-length, after which a delicate partition wall becomes visible at this place. The daughter-cells now round off towards one another, and, by swelling of the separating wall, and the thickening layers afterwards developed, bacome thrust back from one another. Owing to the ever-new development of gelatinous layers in the interior, the older ones become stretched, finally ruptured and cast off9 often parts of such layers are found, while the rest have. . . This item ships from La Vergne,TN., RareBooksClub<

2013, ISBN: 9781230082943

Trade paperback, Fine., Trade paperback (US). Glued binding. 184 p. Contains: Illustrations, black & white., [PU: Rarebooksclub.com]