1 Bacilli (or bacillus for a single cell) are rod-shaped bacteria. 2  Spirilla (or spirillum for a single cell) are curved bacteria which can range from a gently curved shape to a corkscrew-like spiral. 3  Many spirilla are rigid and capable of movement.or rod-shaped or filamentous bacteria, length is 1-10 Âµm and diameter is 0.25-1 .0 Âµm. 1  E. coli, a bacillus of about average size is 1.1 to 1.5 Âµm wide by 2.0 to 6.0 Âµm long. 2  Spirochaetes occasionally reach 500 Âµm in length and the cyanobacterium. 3  Oscillatoria is about 7 Âµm in diameter.
Elsewhere in the United States, the emancipation of slaves is celebrated in Florida (May 20), Puerto Rico (March 22) and Texas (June 19).y 1860, there were about four million slaves in the United States. On April 16, 1862, Abraham Lincoln, who was the US president at the time, signed the Compensated Emancipation Act, which freed more than 3000 slaves in the District of Columbia.
Emancipation Proclamation - Â· The Emancipation Proclamation, officially issued by Lincoln on January 1, 1863, freed all slaves in the insurgent portions of the Confederate States of America. The document did not apply to Confederate areas under Union control or to the border states.