Observationes circa evaporationem hieme proxime elapsa institutae: quarum partem primam consensu ampliss. ad univers. Aboëns. fac. philos. praeside doct. Gust. Gabr. Hällström, physices prof. p. o., imper. ordinis de S:to Wladimiro in IV classe equite, Acad. Imp. Scient. Petropolitanae Socio Corresp., nec non Acad. Reg. Scient. Stockholmiensis [et] Societ. Imp. Pharmaceut. Petropolitanae membro, pro gradu philosophico publico examini subjicit auctor Henricus Cajander, stipend. publ., Aboënsis. In audit. philos. die XXVII Junii MDCCCXXVII. Horis a. m. solitis