. The bacteriology of the eye. Fig. 25.—Morax-Axenfeld Diplobacillus. x 800. Serum-agar culture, showing many filaments. SPECIAL FORMS OF CONJUNCTIVAL INFECTION 169. Fig. 26.—Diplobacille Liquefiant Petit. Serum Agar. Exclusively Short Diplo-Forms (Petit), x 800. liquefying gelatine; he also only found it in cases of hypopyon-keratitis. I have twice myselfobtained such Diplo-bacitti from conjuncti-vitis cases which re-sembled clinically theordinary diplobacillaryconjunctivitis. I con-sider it established thatthe Petit type can alsoproduce the conjuncti-vitis which has alreadybeen described, es
. The bacteriology of the eye. Fig. 25.—Morax-Axenfeld Diplobacillus. x 800. Serum-agar culture, showing many filaments. SPECIAL FORMS OF CONJUNCTIVAL INFECTION 169. Fig. 26.—Diplobacille Liquefiant Petit. Serum Agar. Exclusively Short Diplo-Forms (Petit), x 800. liquefying gelatine; he also only found it in cases of hypopyon-keratitis. I have twice myselfobtained such Diplo-bacitti from conjuncti-vitis cases which re-sembled clinically theordinary diplobacillaryconjunctivitis. I con-sider it established thatthe Petit type can alsoproduce the conjuncti-vitis which has alreadybeen described, especiallyas Erdmann, by inoculat-ing the human conjunc-tiva with Diplobacilliwhich grew freely onagar, has succeeded inproducing a conjuncti-vitis. The power to liquefygelatine and grow freelyon agar, which waspresent at the outset inmy two earliest examplesof the Petit bacillus,was gradually lost insuccessive generations,so that they more nearlyapproached the Morax-Axenfeld type. MacNabconducted a further re-search under my direc-tion to see whether, bycontinued growth undervarying conditions, itmight not be possible totransform the one typeinto the other.
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