Female. Length 8 mm.; exserted portion of ovipositor 5 mm. Temples lather flat, strongly sloping inwards, broadest above, narrowing strongly below, especially narrow where occipital carina bends outwards above genae to approach eye, at this point temples distinctly narrower than malar space. Eyes prominently convex; head transverse, width including eyes distinctly greater than height.

While attending the University of Alberta, at Edmonton, the writer caught a male dragonfly on May 17, 1925, near a small pool in the Valley of the North Saskatchewan River which he provisionally determined as Tetragoneuria spinigera (Say).

Identified by F. M. Carpenter, Museum of Comparative Zoology, Harvard, Massachusetts.

PANORPIDAE.

I. Panorpa signifer Bks. July 24. G.L.P. Aug. 27. On outside of laboratory.

During the past several years there has been much discussion among Lepidopterists on the question of the advisability of employing a system of scientific classification for forms within a species. While other zoologists have looked scoffingly on, Lepidopterists have been giving names to races, local forms, general forms, sexual forms and aberrations for many years.

Palpi pale ochreous, the second joint heavily sprinkled exteriorly with blackish scaling. Front pale ochreous with slight admixture of black scales. Tegulae with the basal half pale whitish ochre, apical portion light ochreous brown; a slight sprinkling of black scaling which at times forms a more or less distinct line, separating the two areas of color.