BULLETS, PUNCTUATION OF
When bullets are used to emphasize a series that makes a single sentence, use no colon and punctuate as a normal sentence.
In a series introduced by a sentence, use a colon, capitalize the separate elements if they are complete sentences or long and involved fragments, and punctuate appropriately:
Fleas of various species can
jump 150 times their own length—vertically or horizontally—equivalent to a man jumping nearly a thousand feet;
remain frozen for a year, then revive.
Both men posed the same melancholy questions during our conversation:
How long can birds cope with the increasingly bitter waters of Mono Lake?
Will a day come when increasing salinity makes the shrimp population collapse, turning the lake into a sterile sump?