: any of a various gram-negative, parasitic bacteria (order Rickettsiales and especially genus Rickettsia) that are transmitted by biting arthropods (such as lice or ticks) and cause a number of serious diseases (such as Rocky Mountain spotted fever and typhus ) âRickettsia are often pleomorphic, and may be coccoid, rod-shaped, or irregularly-shaped ...
Massachusetts Routes: US Highways and State Routes include: Route 1, Route 3, Route 6, Route 7, Route 20, Route 44 and Route 202. Copyright information: The maps on this page were composed by Brad Cole of Geology.com. If you want to share these maps with others please link to this page. These maps are property of Geology.com and may not be used beyond our websites. They were created using data licensed from and copyright by Map Resources.
Interstate 95 wraps around Boston like I-495 but it is a little closer to the city. The best thing about it, is that it goes all the way from Maine down to Florida. While wrapping around the city, it runs concurrently with 128 until Peabody, MA to which it meets up with I-495 and north to Maine.