Several morphological characters readily distinguish Petrocephalus and the mormyrin genera, such as the presence of two closely apposed nostrils (versus non closely apposed in mormyrins) and the absence of the basisphenoid bone (versus presence in mormyrins; Taverne 1972).

We trialled a new ultraviolet system that runs under the handrail of an escalator, killing the virus. We are rolling that out at more than 100 stations.

The disease under which Addison laboured appears to have been asthma. It became more violent after his retirement from office, and was now accompanied by dropsy.

Wang interjected: We are preparing large exhibitions of art done by workers, peasants and soldiers in cooperation with the art teachers and students. Among them is one popular work entitled 'Never Stop Struggling as Long as You Are Alive.' It is a painting depicting the story of our heroic soldiers fighting the Soviet revisionist troops when they invaded Chen Pao Island on our frontier. Yes, Wang said enthusiastically, a new upsurge in art is taking form.