<prompt> Draughtsman colonies are seen inStaphylococcusSalmonellaPneumococcusCorynebacterium  <response>: Pneumococcus 259-P Chakraborty 2nd 217, 221-Ananthanarayan 7th Pneumococci are typically a haemolytic. In prolonged incubation autolysis occurs at central depression umbonation of the colony which creates a typical draughtsman or carom coin appearanceDifferentiation between Str. pneumoniae and Strep, viridans Str. pneumoniae Str. viridansMorphologyCapsulated, lanceolate diplococciNoncapsulated, oval or round cells in chainsQuellung testPositive NegativeColoniesInitially dome-shaped later draughtsman colonies Dome shapedGrowth in liquid mediaUniform turbidity Granular turbidityBile solubilityInvariably positive Invariably negativeInulin fermentationPositive NegativeOptochin sensitivityPositive NegativeIntraperitoneal inoculation in miceFatal infection Non pathogenicC. diphtheriaGravis strainsIntermedius strainsMitis strains Colonies on Telluriteblood Agar HaemolysisDaisy head coloniesin 48-72 hoursVariableFrogs egg coloniesPoached egg coloniesUsually haemolytic Non haemolytic 