. The bacteriology of the eye. 4. #■ Fig. 70.—Uhthoff and Axenfeld, Keratomycosis foreign body with mycelium. sible, as no spore formation was obtained (Oospora ascoform ! Verti-cillium rubrum ?). Halbertsma also found that the Aspergillus flarescens was patho-genic for the cornea of the rabbit. Aspergillus niger, A. Jicuum,A. wentii, and to a very slight extent the A. candidus, have beendescribed as having a moderate degree of pathogenicity for the corneaof the rabbit, and to a certain extent also for the vitreous and thechoroid. A. glaucus, ostianus, minimus, clavatus,
. The bacteriology of the eye. 4. #■ Fig. 70.—Uhthoff and Axenfeld, Keratomycosis foreign body with mycelium. sible, as no spore formation was obtained (Oospora ascoform ! Verti-cillium rubrum ?). Halbertsma also found that the Aspergillus flarescens was patho-genic for the cornea of the rabbit. Aspergillus niger, A. Jicuum,A. wentii, and to a very slight extent the A. candidus, have beendescribed as having a moderate degree of pathogenicity for the corneaof the rabbit, and to a certain extent also for the vitreous and thechoroid. A. glaucus, ostianus, minimus, clavatus, varians, and novus,on the other hand, were found to be quite inactive. Buchanan statesthat many strains of Aspergillus and PeniciUium are capable of patho-genic activity. The relative rarity of keratomycosis, in proportion to the frequency THE CORNEA 319 of the Aspergillus, is explained by the fact that it will only develop inthe cornea when it is directly planted into its tissue by a foreign body,or is rubbed into it: other
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