[14.] Small portion of the outer integument of the complemental male, as seen with a 1/8th of an inch object glass.

[15.] [Scalpellum vulgare] (hermaphrodite), magnified three times.

(a, a.) Complemental males.

(b.) Rostrum, of which a separate enlarged figure () is given.

[15a´.] Scutum of the hermaphrodite [Scalpellum vulgare], internal view of.

(a.) Fold on the occludent margin.

(d.) Pit for the adductor muscle.

[TAB. VI.]

Fig.

[1.] [Scalpellum ornatum], (female, magnified seven times.)