COXrR[BCrT[OXS to the cytology of the EACTElilA. 395 



Contributions to the Cytology of the Bacteria. 



By 



C €lifloa-d Wobell. 



Fellow of Trinity Colleo-e. Cambridge; Lecturer at tlie Imperial 

 CoUeo-e of Science and Technology, London. 



With Plates 16-19. and 1 Text-figure. 



Contents. 



Introduction .... 



Historic 



Material and Methods 



Descriptions of the Forms Investigated 



1. Coccus Forms 



(a) Micrococci . 



(b) Sarcina 



2. Bacillar Forms 



(a) Bacilli of flexilis type 



(b) Bacilli of spirogyra type 



(c) Bacillus saccobranchi n. sp. 



3. Siiirillar Forms 



(a) Spirilla with Chromidial Nucleus 



(b) Spirilla with Filamentar Nucleus 



(c) Spirilla with Spherical Nuclevis 



4. " Fusiform Bacteria " 



(a) From Lacerta muralis 



(b) From Frogs and Toads . 



(c) From Triton vulgaris 



(d) From Stylopyga orientalis 



5. On some Nucleated Bacterium-like Ors 

 Summary of Results 

 General Discussion 



Metachromatic Granules 



Morphological Evidence that Bacteria are Nucleate Cells 



VOL. 56, PART 3. NEW SERIES. 28 



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