Animals as sexual objects, [13]

Anus (see also [Anal])
as aim of inverts, [12]; [17]
especially frequent example of transgression, [29]
part played by erogenous zone in, [32]

Anxiety on railroads, [63]

Archaic constitution, [10, note 11]

Arduin, Dr., [9, note 11]

Attractions connected with pleasure, [70]

Autoerotism, the gratification of sexual impulse on own body, [43]
separation of, from object love, not temporal, [55, note 19]
essential, of infantile sexuality, [58]
of erogenous zones, same in boy and girl, [79]
regular, of sexual impulse, [81]

Baths, warm, therapeutic effects of, [62]

Bayer, [40, note 6]