<zoology> In the place cited, used to avoid repetition of a bibliographic reference already given. ... (09 Jan 1998) ... 
Loco citatio is Latin for In the place quoted
loco citato, loc. cit.; l.c. In the place already cited. This phrase is a tool of the scholar. Abbreviated loc.cit., it is used in footnotes to refer a reader to a passage that was previously cited; for example, Jones, loc.cit.
(loc. cit.) in the work/place/source previously referenced - (a referencing note used by scholars/writers/academics, to avoid repeating entire sources)
(Latin) literally in the place cited; can appear as loc.cit.