I took a look at the arrival manifest as well - it is indeed difficult to read! - and here's what I see:
Rubkalnis, Johann - 52 y/o, male, married, nationality: Russia, ethnicity: German, last residence: N. Aleksandrowo, Russia; left behind: woman? (meaning wife?) Maria Rubkalnis in N. Aleksandrowo, Nowe? ..iob?, G. Kowno; going to Chicago, Ill. to join son-in-law Johann N...mann (Neumann?); born in Alexandrowo, Russia.