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Rounding out the IRCXpro package are some useful features , such as word filtering ( messages can be blocked for containing specific words ( e.g ., profanity ) , News Flashes that provide clients with information ( could be chat related or advertising ) , and Memorandum Services that allow clients to leave message for people who are offline . The adult forms of all three sunflower maggots ( flies ) have wings with a distinct brown or yellowish-brown pattern . Equipped with several experimental subjects and two phrenological busts ( disproportionately represented , one assumes , on the broadsheet ) , he was confident of convincing his audience of " Mesmeric Sleep , Rigidity of the Limbs , Power of Attraction and Repulsion , and the Transmission of Sympathetic Feelings . There are many different types of currants ( Ribes spp. ) including red ( R. rubrum L. ) , black ( R. nigrum L. ) , and white . Specifically , the theory of functional differences provides a means of going from local descriptions of behavior ( difference equations ) to global descriptions ( the solution to the difference equation ) , and vice versa .