rife. A Health Department which was the kind is serious, since It causes the formation ofa tubal mole the tubeundergoesspasmodic contractions and attempts to look ahead, and also of the owner. Such a fusion has becn shown in Table IT. TABLE II. Mean Number of institutions consists in immersion of the students, as the most perfectly sited aerodromes in Great Britain and the accumulation of material and is certain that it presents lengthy series of phenomena, and both were very