184 



LABORATORY EXERCISES IN BACTERIOLOGY 



Fimbriate, fringed (Fig. 56, G). 



Ciliate, hair-like extensions, radiately placed (Fig. 56, H). 

 Tufted. 



Filamentous, as already defined. 

 Curled, as already defined. 

 (E) Optical Characters (after Shuttleworth) 

 Transparent, transmitting light. 

 Vitreous, transparent and colorless. 



Oleaginous, transparent and yellow; olive to linseed-oil colored. 

 Resinous, transparent and brown; varnish or resin-colored. 

 Translucent, faintly transparent. 

 Porcelaneous, translucent and white. 



F G h I 



FIG. 56. CHARACTERS OF EDGES OF COLONIES. (After Chester.} 



A. Entire. B, Undulate. C. Repand. D. Lobate-lobulate. E. Auriculate. F. Lacerate. 

 G. Fimbriate. H. Ciliate. /. Erose. 



Opalescent, translucent, grayish-white by reflected light, smoky brown by trans- 

 mitted light. 



Nacreous, translucent, grayish-white, with pearly luster. 

 Sebaceous, translucent, yellowish or grayish-white. 

 Butyrous, translucent and yellow. 

 Ceraceous, translucent, and wax-colored. 

 Opaque. 



Cretaceous, opaque and white, chalky. 

 Dull, without luster. 

 Glistening, shining. 

 Fluorescent. 

 Iridescent. 



