- 515 specimens collected from at least 16 countries
- 56 specimens identified from at least 7 countries
- 20 specimens used in 6 works
Progress
Collected From
- United Kingdom 369
- United States 19
- Guyana 9
- Tanzania 4
- Canada 4
- India 3
- Australia 3
- Germany 3
- France 2
- Jersey 2
- New Zealand 1
- Sri Lanka 1
- South Africa 1
- China 1
- Malaysia 1
- Mauritius 1
Identified From
- United States 27
- United Kingdom 15
- New Zealand 6
- Australia 4
- Guyana 1
- Sri Lanka 1
- Papua New Guinea 1
Dates Collected
- 1800 – 1805 1
- 1810 – 1815 1
- 1815 – 1820 2
- 1830 – 1835 3
- 1850 – 1855 1
- 1860 – 1865 35
- 1865 – 1870 82
- 1870 – 1875 27
- 1875 – 1880 23
- 1880 – 1885 25
- 1885 – 1890 16
- 1890 – 1895 6
- 1895 – 1900 6
- 1900 – 1905 1
- 1910 – 1915 2
- 1925 – 1930 1
- 1935 – 1940 1
- 1955 – 1960 7
- 1985 – 1990 1