FIGURE 1 in The taxonomic research of Jules Richard on Cladocera (Crustacea: Branchiopoda) and his collection at the National Museum of Natural History, U.S.A.

FIGURE 1. Letters of J. Richard, copies in the Collection of D. J. Frey, Smithsonian Institution's National Museum of Natural History, and kept at the Museum Support Center in Suitland, Maryland, U.S.A.: (A) 7 September 1903. Regrets that on becoming director of the Station at Monaco he has had to give up his study of the Cladocera. (B) 2 March 1904. Bill for the shipping expenses. (C) 27 February 1905. Acknowledges receipt of check for 1101 francs.