As all attempts-aad there had been many-to coax elacca wood to grow off-planet had been unsuccessful, the amount of base material available for conversion to setnuta declined accordingly. Second, the mores of the period had changed. Where addicts had before been treated, ignored, or even pitied, those whose dependency on the drug became known more often faced harsh imprisonment, coupled with unaided semuta withdrawal. Such stern dealing with known addicts, combined with the drug's greatly increasing scarcity (and accompanying soaring prices) made experimentation increasingly unattractive. By 10410, there was no record of any subject of the Imperium suffering from addiction. While a limited amount of elacca wood is known to grow wild on Ecaz at the present time, mere has been no interest shown in reviving semuta manufacture. C,W. Further references: ECAZ, ELACCA DRUG; Psvon Harle, A Doctor's Notes (partially translated; Work-in-Progress, ArraJds Studies, Temp, Set. Ill, lib. Cont) SHAI-HQLUD (Giant Sandworm), Geonemo-todiwn arrabus (also Shaihuiudata gigantica), a creature unique to the pre-Leto II era of the planet Arrakis. Attempts to establish the worm in other areas of the galaxy have met with only limited success. The completed life cycle has not been observed in any of the off-planet experiments. THE ADULT WORM. One of the difficulties of studying the organism was the immense size of the adult.