Lottia digitalis Point on the California coast, "L. digitalis" coexists with the similar species, "Lottia scabra", but each occupies a slightly different habitat. "L. digitalis" tends to occupy vertical rock faces or overhangs and certain horizontal ones clothed by algae and barnacles. "L. digitalis" clump together more often, prefer wave-exposed areas, occupy sites further up the shore and are seldom found in rock pools. Both species move about freely when the tide is up but "L. digitalis" settles in a different location at each low tide whereas "L. scabra" tends to home to the same spot. "L. scabra" has a more rugged
We Can Do It! controlling posters promoting management authority, employee capability and company unity, and the workers would likely have understood the image to mean "Westinghouse Employees Can Do It", all working together. The upbeat image served as gentle propaganda to boost employee morale and keep production from lagging. The badge on the "We Can Do It!" worker's collar identifies her as a Westinghouse Electric plant floor employee; the pictured red, white and blue clothing was a subtle call to patriotism, one of the frequent tactics of corporate war production committees. During World War II, the "We Can Do It!" poster was not connected