o04 0. CLIFFOL'D DOBELL. 



Figs. 85-90. — Bacilli of modified f lex i lis form from large intestine of 

 Lacerta muralis. (Dry film, absolute alcohol; G-iemsa's stain.) 



Fig. 85. — Long individual, containing three large nucleus-like masses 

 of chromatin. 



Fig. 86. — Short individual, with curious arrangement of the chromatin. 



Fig. 87. — Large individual, somewhat similar to the preceding. 



Fig. 88. — Short individual with a single, centrally placed, nucleus-like 

 l)ody. 



Fig. 89. — Long, sinuous individual, with chromidial nucleus of 

 characteristic flexilis type. Many of the chromidia are consincuous 

 by their large size. 



Fig. 90.— Long, straight Bacillus, with chromatin mainly in two large 

 masses. Possibly a plasmolysed or degenerate form. 



PLATE 18. 



[All the figures, unless othei'wise stated, are drawn from wet film 

 preparations fixed with Schaudinn's su1;)limate-alcoliol, and stained with 

 Heidenhain"s iron-ha^inatoxylin.] 



Figs. 91-95. — Bacilli of spirogyra form from large intestine of 

 Lacerta muralis. Various forms of nuclear filament ai-e shown. 

 The organism dei^icted in fig. 92 is dividing. 



Figs. 9H-108. — Large Spirilla from large intestine of Lacerta 



muralis. 



Fig. i)6. — Short individual, showing large cytoplasmic alveoli and 

 nucleus in the form of a short rod-like filament at one end of the cell. 



Figs. 97, 98. — Dividing forms. Note nuclear filaments. 



Fig. 99. — Short individual, with nucleus in the form of a short and 

 somewhat zig-zag or spiral filament. 



Fig. 100. — Short individual with long, varicose nuclear filament. 



Fig. 101. — Longer individual, with long spiral or zig-zag nuclear 

 filament. 



Fig. 102. — Very long individual, with long nuclear filament similar 

 to that of the preceding. 



Figs. 103-105. — Shortest individuals (Vibrio form) with nuclear 

 filauients. 



Fig. 10<).— A foi-m similar to fig. 99, but with a longer nucle;ir filament. 



Fig. 107. — Longer ori^anisui, with sliort. ct'iitriilly pliiccd nuclear 



fililUU'llt. 



