TY - JOUR T1 - Observations on the Sugar Ants. In a Letter from John Castles, Esq. to Lieut. Gen. Melvill, F. R. S. JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 80 SP - 346 EP - 358 PY - 1790/01/01/ UR - http://dx.doi.org/10.1098/rstl.1790.0023 M3 - doi:10.1098/rstl.1790.0023 AU - Castles, J. ER -