OPHTHALMIC HISTOMATOSIS. 
On only two occasions have trematodes been reported for the human 
eye, but neither of the parasites is well described. For a full dis- 
cussion of these cases, with Engdish translations of the original 
observations, also with bibliography and synon}^!!}^ see Stiles (1902, 
pp. 2d-35, pi. 3, hgs. 2-5). Cases of similar infection are described 
for hsh. 
Family MONOSTOMID.E. 
Collective group MONOSTOMULUM Brandes, 1892. 
Generic diagnosis. — Monostomidie: An artificial collective group to contain agamic 
monostomes in which the characters are not sufficiently developed to permit of an 
exact generic determination. Such an artificial group does not have any type 
species. 
The Eye Monostome — MONOSTOMULUM LENTIS« ( Gescheidt, 1833) Brandes, 
1892 — of Man. 
[Xo illustrations published.] 
Specific diagnosis. — Monostomulum: One-tenth of a line (0.22 mm.) long. 
Habitat. — In crystalline lens of eye of man {Homo sapiens), in Odessa. 
Family FASCIOLID.E. 
Collective group AGAMODISTOMUM Stossich, 1892. 
Generic diagnosis. — Fasciolidie: An artificial collective group to contain agamic 
distomes in which the characters are not sufficiently developed to permit of an exact 
generic determination. Such an artificial group does not have any type species. 
« Synonyms.- — ? Fasciola hepatica Linmeus, 1758 [see p. 22]; “ Honostomen ” Xord- 
mann, 1832; Monostoma lentis Gescheidt, 1833; Monostomum Jentis (Gescheidt, 1833) 
Diesing, 1850; Festucaria, lentis (Gescheidt, 1833) Moquin-Tandon, 1860; Distoma 
ophthalmohium Diesing, 1850” of Cobhold, 1864, in part; Monostomulum lentis 
(Gescheidt, 1833) Brandes, 1892; Agamodistomum ophthalmohium [see p. — ]; 
2 Dicroccelium lanceatum Stiles & Hassall, 1896 [see p. — ]. 
^Synony3is. — Agamodistomum Stossich, 1892; Distomulum Brandes, 1892; Agamo- 
distoma Stossich, 1898. 
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