ASPERGILLI SPECIES. 225 



*> 



Rayer likewise cites byssoidal formations on the pleura in a 

 tuberculous case, and in the intestines in a case of pneumothorax, 

 without, however, describing them any further. (' Journal 

 PInstitut,' 1842, No. 492.) 



Remak speaks likewise of dichotomous, divided mycelium- 

 fibres in the expectoration of tuberculous patients, and, more 

 generally, in diseases of the windpipe where the epithelium of the 

 pharynx is frequently renewed. 



Gairdner describes likewise, though extremely superficially, a 

 fungus which had its seat on the pleura, in a case of pneumo- 

 thorax. (Confervse on the Pleura, ' Monthly Journ. of Med. Sc./ 

 1853, p. 472.) 



X. Aspergilli species. 



Tribe. Aspergillei : Recept. floccosum, simplex vel ramosum. 

 Sporidia vesicula sphtericte vel ovato-terminali inhcerentia. 



Genus Aspergillus : Flood tubulosi, septati, biformes ; fer- 

 tiles erecti, apice clavato incrassati. Sporidia simplicia, globosa, 

 seriatim conglutinata, in capitulum rotundatum circa apices clavatos 

 arete congest a. 



Aspergilli (?) species. Fungus Meatus Auditorii externi (Mayer). 



Tab. V, fig. 3. 



The stem is long, transparent, showing in its interior little 

 globules, and terminating with a small, swollen, round, and 

 greenish little head, which sits like the cap of the fungus on a 

 small inflation of the stalk (Robin, Atlas, iii, 1). It is covered 

 with a layer of simple or double nuclei or spores on its free edge. 

 Between the stalks are other filaments, which are deprived of 

 mycelium, and spread here and there, isolated or in bundles. 

 Amongst them are found filaments in all stages of develop- 

 ment. 



It was observed in a case of scrofulous otorrhcea, in a girl eight 

 years old, consisting of round oval cysts, of the size of a cherry, 

 the walls of which were fibrous, white on the outer part, hollow 

 in the interior, greenish, and granulous. These granulations 

 were found to be organized productions, by a magnifying power 

 of 300 diameters. Vogel thinks that it is closely related to the 



15 



