Micro-organisms of Maple Sap 321 



Table 36. Sirups deficient in total ash, insoluble ash, or 



malic acid value 464 



Table 37. Number of samples and percent below standard 

 in total ash, insoluble ash and malic acid 



value 467 



Table 38. Number and nature of deficiencies 4f,s 



Table 39. Deficiencies grouped according to sample num- 



oers 169 



Table 40. Effect of diluting, boiling and filtering on con- 

 centrated maple sirup compared with the 



original analyses of the same samples 471 



Summary 473 



Part III. Technical Description of Certain Bacteria Occurring 



in Maple Sap 475-602 



A. Description of Bacillus aceris (n. sp.) 475-516 



Summary of characters 475 



Occurrence and character 475 



Morphology 475 



Cultural features 476 



Physical and biochemical features 477 



Detailed description 478 



Occurrence 478 



Form 479 



Morphological characters 480 



Dimensions 480 



Cultures on agar hanging blocks 480 



Fission 481 



Grouping 4.81 



Motility and flagella 481 



Spores 482 



Capsule 482 



Involution forms 483 



Staining reactions . . 483 



Cultural characters 4N4 



Methods 484 



Agar stroke 484 



Agar stab 484 



Agar plates 485 



Carbohydrate agars 4s.", 



Gelatin 486 



Gelatin stroke 486 



