SPECIES.

[1]. Somni periodus.Periods of sleep.
[2]. Studii inanis periodus.—— of reverie.
[3]. Hemicraniæ periodus.—— of head-ach.
[4]. Epilepsiæ dolorificæ periodus.—— of painful epilepsy.
[5]. Convulsionis dolorificæ periodus. —— of painful convulsion.
[6]. Tussis periodicæ periodus.—— of periodic cough.
[7]. Catameniæ periodus.—— of catamenia.
[8]. Hæmorrhoidis periodus.—— of the piles.
[9]. Podagræ periodus.—— of the gout.
[10]. Erysipelatis periodus.—— of erysipelas.
[11]. Febrium periodus.—— of fevers.

ORDO III.

Retrograde Associate Motions.

GENUS [I].

Catenated with Irritative Motions.