The following method for staining connective tissue is simple and is believed to be better than any yet proposed for that purpose. It is not absolutely differential because, besides connective-tissue fibrill~e and reticulum, it also stains certain hyaline substances, but these latter usually are so different morphologically that confusion cannot arise. The method is also useful for the study of...

herpetosiphon giganteus is a filamentous gliding bacterium. gliding motility is the movement of the cells over surfaces without the aid of flagella. the mechanism responsible for bacterial gliding motility has not been known and there are only a few data on herpetosiphon giganteus. the aim of this study was to observe the ultrastructure and negative staining of isolated strains of herpetosiphon...