According to the Alfred/Madelaine marriage, the children were all born in the 3ème arrondissement and registered as follows:
Alfred, born 9 Feb 1838 was registered 'le surlendemain' = 2 days later
Antoine Alphonse, born 4 Jun 1842, registered le surlendemain (but I can't seem to find the actual record, oh dear!

)
Henry, born 23 Sep 1844, registered le lendemain = the following day
Elisa, born 23 April 1849, registered le surlendemain
Marie, born 27 Dec 1851, registered 30 Dec
Hectorine, born 7 Dec 1855, registered 14 Dec (page 258, registre naissances Lyone 3ème 1855)
Henriette, born 4 Feb 1859, registered le même jour = same day (page 36, registre naissances Lyone 3ème 1859)