420 Scientific Intelligence. 
The third and fourth chapters, devoted to the phenomena of reproduc- 
tion by budding, and by fissiparity, with the curious experiments in arti- 
one. It is accompanied also by lucid descriptions and beautiful figures 
zogeton, the tape-worm, Myrianida, &c., which are seldom equalled in 
popular works. The author well illustrates reproduction without eggs, 
d.” 
The somewhat analogous phenomena observed several years since by 
Prof, Clark, in the muscular fibres of Sagitta, sheep, &c., and the ciliated 
cells of Aurelia, which separate during decomposition of the tissue ‘and 
move about freely like low forms of Infusoria, are fully described in this 
connection, and the theory of the spontaneous origin of life in decaying 
matters is thus reinforced, Could it be shown that any of these 
sheep-muscle, or Aurelia-cells,” (p. 99). Nor can we agree with him in 
comparing to the decomposing matter in the flasks an undeveloped hen 
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