Download book Pamphlets on Biology Volume 913; Kofoid Collection
Download book Pamphlets on Biology Volume 913; Kofoid Collection
Pamphlets on Biology Volume 913; Kofoid Collection by Books Group
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Author: Books Group
Page Count: 70 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130162554
Download Link: Pamphlets on Biology Volume 913; Kofoid Collection
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 Excerpt: ...to produce a structure essentially corresponding with the "swarm-gemmule" represented at "fig. 12 ot the preceding Plate, x 800 diameters. Fig. 8. A few individual units or sponge-monads from the preceding figure, further enlarged: n, nucleus or endoplast; c. v, contractile vesicle. Fig. 9. A colony of the independent, free-swimming, collar-bearing monad DesmureUa moniliformis, S.K., which occurs in chain-like aggregations of from two to as many as eight individuals, with which the separated sponge-monads in the preceding figure essentially correspond. X 1000 diameters. Fig. 10. Sporocyst-like bodies found associated with a siliceous spongeform (Halichondria, sp.). X 600 diameters. Fig. 11. Detached fragment of a siliceous sponge (Halichondria, sp.), showing at a an ampullaceous sac in its semideveloped or moruloid condition, at b b two amcebiform bodies emitting pseudopodia, and which after assuming a quiescent or encysted state, develop through the cleavage of their substance into ampullaceous sacs, ty, syncytium. Several typical adult sponge-monads or Spongozoa are shown at c. communication, already quoted, it will be found that the record of nearly forty well-marked species, in place of the original four, has been the reward of my several years' stndy of this interesting group; and concerning the general structure, functions, and developmental history of these J am enabled to supply perfectly original and important data. To those acquainted with the writings of Prof. Clark, the general aspect of these typical "collar-bearing" monads will no doubt be familiar; but for the advantage of those who are not, they may be described as ovate, pyriform, or flask-shaped animalcules, stalked, sessile, or floating freely in the water, naked ...
Read online Pamphlets on Biology Volume 913; Kofoid Collection Buy and read online Pamphlets on Biology Volume 913; Kofoid Collection Download Pamphlets on Biology Volume 913; Kofoid Collection for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook Pamphlets on Biology Volume 913; Kofoid Collection
Pamphlets on Biology Volume 913; Kofoid Collection by Books Group
Author: Books Group
Page Count: 70 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130162554
Download Link: Pamphlets on Biology Volume 913; Kofoid Collection
---------------------------------------------------------------
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1878 Excerpt: ...to produce a structure essentially corresponding with the "swarm-gemmule" represented at "fig. 12 ot the preceding Plate, x 800 diameters. Fig. 8. A few individual units or sponge-monads from the preceding figure, further enlarged: n, nucleus or endoplast; c. v, contractile vesicle. Fig. 9. A colony of the independent, free-swimming, collar-bearing monad DesmureUa moniliformis, S.K., which occurs in chain-like aggregations of from two to as many as eight individuals, with which the separated sponge-monads in the preceding figure essentially correspond. X 1000 diameters. Fig. 10. Sporocyst-like bodies found associated with a siliceous spongeform (Halichondria, sp.). X 600 diameters. Fig. 11. Detached fragment of a siliceous sponge (Halichondria, sp.), showing at a an ampullaceous sac in its semideveloped or moruloid condition, at b b two amcebiform bodies emitting pseudopodia, and which after assuming a quiescent or encysted state, develop through the cleavage of their substance into ampullaceous sacs, ty, syncytium. Several typical adult sponge-monads or Spongozoa are shown at c. communication, already quoted, it will be found that the record of nearly forty well-marked species, in place of the original four, has been the reward of my several years' stndy of this interesting group; and concerning the general structure, functions, and developmental history of these J am enabled to supply perfectly original and important data. To those acquainted with the writings of Prof. Clark, the general aspect of these typical "collar-bearing" monads will no doubt be familiar; but for the advantage of those who are not, they may be described as ovate, pyriform, or flask-shaped animalcules, stalked, sessile, or floating freely in the water, naked ...
Read online Pamphlets on Biology Volume 913; Kofoid Collection Buy and read online Pamphlets on Biology Volume 913; Kofoid Collection Download Pamphlets on Biology Volume 913; Kofoid Collection for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook Pamphlets on Biology Volume 913; Kofoid Collection