LIST OF CONTRIBUTORS 



Allen, 0. N., Mr. & Mrs. Rhizobium 285 



Andrewes, C. H. Virales 985 



Barker, H. Albert Methanococcus 473 



Butyrihacterium 577 



Zymobacterium 577 



Beger, H. Caulobacteraceae 212 



Siderocapsaceae 217 



Chlamydobacteriales 262 



Bier, Otto Calymmatobacterium 418 



Borman, E. K. Paracolobactrum 346 



Branham, Sara E. Neisseria 480 



Breed, R. S.f Introduction 1 



Considerations influencing the classification 4 



Methanomonadaceae 74 



Thiobaderiaceae 78 



Pholobacterium 193 



Protaminobacter 200 



Mycoplana 204 



Caulobacteraceae 212 



Siderocapsaceae 217 



Vibrio 229 



Methanobacterium 250 



Cellvibrio 250 



Cellfalcicula 252 



Spirillum 253 



Chlamydobacteriales 262 



Chromobacterium 292 



Alcaligenes 297 



Achromobacter 300 



Flavobacterium 309 



Agarbacterium 322 



Enter obacteriaceae 332 



Escherichia 335 



Aerobacter 341 



Klebsiella 344 



Serratia 359 



Pasteurella 395 



Bacteroidaceae 423 



Sphaerophorus 441 



Micrococcaceae 454 



Micrococcus 455 



Sarcina 467 



Brevibacteriaceae 490 



Cory neb acteriaceae 578 



Caryophanales 830 



Virales 985 



Numerous contributions to various other taxa 



Broom, J. C. Leptospira 907 



t Deceased. 



V 



