CONTENTS 



IV. The Bacterial Nucleus — coitti.. 



(h) The Secondary Nucleus 



(i) The Rod-Uke Nucleus 



(j) Formation of the Restin(^ Nucleus 



(k) Sutnntary .... 



V. Reproduction 



(a) The Growth Cycle . 



(b) Simple Vegetative Reproduction 



(c) Post-fission Movements 



(d) Complex Reproductive Methods 



(e) Fission in Mycobacteria and Corynehacteria 



(f ) Branchinfi and Budding 



(g) Swnmary .... 



VI. Sexuality in BACThniA 



(a) The Existence of Sexuality . 



(b) Sexuality in Sporing Bacilli . 



(c) Syngamous Vegetative Reproduction . 



(d) Microcyst Formation in Myxohacteria and Euhacteria 

 (c) Sexual Fusion in the Secondary Nuclear Pliase 



(f) Sexuality in Mycobacteria 



(g) Sexuality in Streptomyces 

 (h) Sexual Fusion in Proteus and Streptobacillus 

 (i) Sununary ..... 



VII. Life-Cycles in Bacteria 



(a) General ...... 



(b) The Life-Cycle in Myxohacteria 



(c) The Life-Cycle in Euhacteria 



(d) The Life-Cycle in Streptomyces 



(e) The Life-Cycle in Chlamydobacteria and Caulobacteria 



(f ) Gonodia as a Stage in the Bacterial Life-Cycle 



(g) L-Organisms ...... 



(h) Summary ...... 



VIII. Macroformations 



(a) The Myxobacterial Fruiting Body 



(b) The Myxobacterial Swarm .... 



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 III 

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 115 

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