1. for the first word,
_a._ of every sentence,
_b._ of every title quoted,
_c._ of every alternative title,
2. for all proper names, each separate word not an article or preposition.
_a._ of persons and places,
_b._ of bodies
_c._ of noted events and periods,
_N. B._ This does not include names of genera, species, etc., in the
animal and vegetable kingdoms, which in an ordinary catalogue should
not be capitalized; as digitalis purpurea, raia batis, the horse.
3. for adjectives and other derivatives from proper names when they
have a direct reference to the person, place, etc., from which they are
derived.