sentences:  After a debilitating fall, he allowed others to collect for him and he spent his time in classification, study and writing.The journal, "Turczaninow" is named after him.SMS Cormoran (1909)
  
  SMS "Cormoran or SMS "Cormoran II was built at the Schichau shipyard in Elbing, Imperial Germany in 1909 for the Russian merchant fleet and was named Ryazan (Rjasan or Rjäsan, from the Russian town of Ryazan).