Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Port of London]
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Deratisation Certificates—
| Date. 1931. | Name of Vessel. | Reason for Deratisation. | Action taken. | No. of Rats reported found dead after Fumigation or Trapping. | |
|---|---|---|---|---|---|
| July 11 | ss | " Remuera " | Owners' request for Certificate. | Fumigated with hydrogen cyanide | Nil. |
| „ 11 | ss. | " Gaelic Star " | Nil. | ||
| „ 15 | ss. | " Volturno " | Fumigated with sulphur dioxide. | Nil. | |
| „ 18 | ss. | " Cornwall " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 18 | ss. | " Carmania " | Fumigated with sulphur dioxide. | 45 | |
| „ 20 | ss. | " Jervis Bay " | Nil. | ||
| „ 21 | ss. | " Highland Princess " | Deratised by trapping. | Nil. | |
| „ 24 | ss. | " Ascania " | Fumigated with sulphur dioxide. | 27 (3 mice) | |
| „ 24 | ss. | " Hardwicke Grange " | Nil. | ||
| 27 | ss. | " Nigaristan " | 35 | ||
| Aug. 4 | ss. | " Inanda " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 5 | ss. | " Zealandic " | Fumigated with sulphur dioxide. | Nil. | |
| „ 7 | ss. | " El Argentino " | Nil. | ||
| „ 7 | ss. | " Largs Bay " | Nil. | ||
| „ 8 | ss. | " Rangitiki " | Fumigated with hydrogen cyanide. | Nil. | |
| ss. | " Baron Dechmont" | Fumigated with sulphur dioxide. | 11 | ||
| „ 12 | ss. | " Port Wellington " | Nil. | ||
| „ 21 | ss. | " Bronte " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 26 | ss. | " London Exchange " | Fumigated with sulphur dioxide. | Nil. | |
| „ 28 | ss. | "Port Adelaide " | Nil. | ||
| „ 28 | ss. | " Asturias " | Rat Infestation | 67 | |
| „ 29 | ss. | " Marquesa " | Owners' request for Certificate. | Nil. | |
| „ 29 | ss. | " Orari" | Fumigated with hydrogen cyanide. | Nil. | |
| „ 31 | ss. | " Bajainar " | Fumigated with sulphur dioxide. | Nil. | |
| Sept. 2 | ss. | " Naldera " | Rat Infested | Deratised by trapping. | 58 |
| „ 4 | ss. | " TJpwey Grange " | Owners' request for Certificate. | Fumigated with sulphur dioxide. | Nil. |
| ss. | " Port Fairy " | Nil. | |||
| „ 5 | ss. | " Ruahine " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 9 | ss. | " Moreton Bay " | Fumigated with sulphur dioxide. | Nil. | |
| „ 12 | ss. | " Otranto " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 14 | ss. | " Macedonia " | Rat Infested | Deratised by trapping. | 14 |
| „ 25 | ss. | " Orford " | Owners' request for Certificate. | Fumigated with hydrogen cyanide. | Nil. |
| 26 | ss. | " Port Dunedin " | Fumigated with sulphur dioxide. | Nil. | |
| „ 29 | ss. | " Banaderos " | (10 mice.) | ||
| „ 30 | ss. | " Bellglade " | Ral Infested | Fumigated with hydrogen cyanide. | 76 |
| „ 30 | ss. | " Esperance Bay " | Owners' request for Certificate. | Fumigated with sulphur dioxide. | Nil. |
| Oct. 1 | ss. | " Rotorua " | Fumigated with hydrogen cyanide. | Nil. | |
| „ 2 | ss. | " Dunster Grange " | Fumigated with sulphur dioxide. | Nil. | |
| „ 2 | ss. | " Orama " | Fumigated with hydrogen dioxide | Nil. | |
| „ 3 | ss. | " Rangitata " | Nil. | ||
| „ 6 | ss. | " San Carlos " | Fumigated with sulphur dioxide. | Nil. | |
| „ 9 | ss. | " Princesa " | Nil. | ||
| „ 23 | ss. | " Hobson's Bay " | Nil. | ||
| „ 24 | ss. | " Castilian " | Fumigated with hydrogen cyanide. | 6 |