14 
CLASSIFICATION OF SCHIZOMAXETES— 
1. According to some characteristic feature: 
a. Chromogenic — production of color. 
J). Photogenic — production of light. 
c. Zymogenic — causing fermentation. 
d. Saprogenic — causing putrefaction. 
e. Pyogenic — causing formation of pus. 
2. According to morphology: 
Cocci — 
a. Micrococci — spherical. 
h. Dij)lococci — spheres in pairs. 
c. Streptococci — spheres in chains. 
d. Staphylococci — spheres in clusters. 
e. Tetrads — spheres in double j^airs. 
/. Sarcin^e — spheres in bundles. 
li. Ascococcus — massive colonies vith tough, thick, gelatinous envelox)es. 
Bacilli — 
a. LejDtothrix — filaments of great length. 
h. Cladothrix — long filaments, j;)seudo-dichotomy, motile gonidia. 
c. Streptothrix — branched filaments, mouldy a2'»x>earance on solid media, 
aerial hyj^hfe. 
Sxiirilla — 
a. A^ibrio. 
1). Sj:)irillum. 
c. Sx^irocheta. (Prol)al )ly flagellate animal x>arasites. ) 
3. According to motility: 
а. Nonmotile. 
б. Motile. 
c. Bro^vnian motion. 
4. According to arrangement of flagella: 
a. Monotrochal — a single flagellum at the end of the cell. 
h. AmxDhitrochal — a single flagellum at each x^ole. 
c. Lephotrochal— a cluster of flagella at one x^ole. 
d. Peritrochal — a varying namber of flagella surrounding the body of the 
bacterium. 
5. According to relation of sx>ores: 
1. Nonspore bearing. 
2. Spore bearing — 
a. Endospores. 
h. Arthrosx^ores. 
6. According to relations of host; 
a. Parasitic; grow and develox:) in living host. 
h. Saxwophytic; grow and develox^ upon dead organic matter. 
c. Pathogenic; induce disease. 
d. Nonx)athogenic; harmless; may be x^arasitic or sax)rox)hytic. ^ 
7. According to relations to oxygen: 
a. Aerobic. 
J), Anaerobic. 
Facultative and obligate. 
■i 
