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No. 38. THE AUGUST DUN.

This fly comes from a water nympha, lives two or three days, as shown, then changes to a Red Spinner. It is quite as important a fly for this month as the March Brown is for March. It is in season from the beginning of August to the middle of September.

IMITATION.

Body. Brown floss silk ribbed with yellow silk thread.

Tail. Two rabbit's whiskers.
Wings. Feather of a brown hen's wing.
LEGS. Plain red hackle stained brown.

Hook No. 2. short.

It is made buzz with a grouse feather wound upon the above body.

The Red Spinner, to which it changes, is very similar to that which the Blue Dun (No. 2.) turns to, and is a good fly on a mild evening.

No. 39. THE ORANGE FLY.

This is one of the best flies that can be used, especially for Grayling. There are a great many species ; some larger, some smaller, than the representation. It may be used all day. Although discovered alive with difficulty, it is found abundant in the stomachs of the fish. It is furnished with an apparatus called the sting, or ovipositor, used for the purpose of piercing the skin of caterpillars, in which it deposits its eggs, the grub from which grows in, and ultimately kills, the insect in which it was hatched. These Ichneumon flies are the great check to the multiplication of the insect tribes.

IMITATION.

Body. Orange floss silk tied on with black silk thread.

WINGS. Dark part of the starling's wing, or feather of a hen blackbird. LEGS. A very dark furnace hackle.

Hook No. 1. short.

No. 41. BLUE BOTTLE. (HOUSE FLY, SHADE Fır.)

Order, Diptera
Family, Muscida
Genus, Sarcophaga
Species, striata.

No. 42. WHIRLING BLUE DUN.

Order, Neuroptera
Family, Ephemeride
Genus, Cloëon
Species, ochracea (Pseudimago).

No. 43. LITTLE PALE BLUE DUN. (Willow Fly.)

Order, Neuroptera
Family, Ephemeridæ
Genus, Clocon
Species, fuscata (Pseudimago).

No. 44. WILLOW FLY. (SHAMROCK FLY.)

Order, Neuroptera
Family, Perlide
Genus, Nemoura
Species, fuliginosa.

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