299 
Notes on the JJro'podinse. By A. D. Michael. 
60 to the millimetre and cup-like; the ridges between them very 
thin, not level, but undulated on the upper edge, rising into a sharp 
point between each two depressions, Bather more than half the 
width of the posterior and lateral portions of the margin, and the 
whole of its anterior portion until behind the first pair of legs is 
occupied by a smooth, non-areolated, chitinous band continuous with 
the central area, but composed of thinner chitin and having an 
undulated exterior margin. Beyond this edge a thin line of un- 
chitinized cuticle is seen. The actual margin is formed by a series of 
about twenty-two small chitinized plates ; the anterior of these on each 
side is narrow and triangular ; the others more quadrate ; each plate 
is rough on its exterior edge and slightly concave or undulated on its 
inner edge. Underneath the cuticle runs an undulated chitinous ring 
or bar; one or two undulations of this bar support each marginal 
plate at its inner edge ; this is not seen by pure reflected light, but if 
there be any transmitted light each plate appears to have a chitinized 
crescent on its inner edge and the white line between the plates and 
the plain band looks moniliform. The plates are separated from each 
other by a very thin line of unchitinized cuticle. 
The dorsal hairs, fig. 7, form the chief peculiarity of the species ; 
each hair is like a longitudinal section of an inverted wedge curled 
over at its distal end so as to form a broad hook ; it is nearly pointed 
at its proximal, broad and rounded at its distal end ; it is flattened in 
the sense of being formed of a lamina, and not having a circular 
section like ordinary hairs. The distal hook is directed upward, or 
sideways, and the hairs themselves are somewhat radially placed. 
Sometimes the hook is imperfectly formed, and the hairs are more 
trumpet -shaped ; they are dirty yellowish- white. There is a double 
row of these hairs round the margin, the outer set just under the 
margin, the inner on the margin plates. The central area has a row 
of similar hairs near its outer edge ; two straight longitudinal rows, 
one on each side of the median line ; and an imperfect ring and 
a few scattered hairs between the outer line and the median pair of 
rows. 
Ihe Ventral Surface (fig. 6). — There are three well-marked de- 
pressions on each side for the reception of the legs. The epigynium 
(genital plate) of the female is rounded anteriorly, straight posteriorly, 
and occupies almost the whole space between the coxae of the fourth, 
third, and second pairs of legs, but does not reach much further than 
to the middle of the lastly-named pair. The genital aperture of the 
$ is between the coxae of the fourth pair of legs. 
Legs short, the second pair slightly the thickest in both sexes. 
The coxae of the first pair without tooth-like projections or apophyses. 
All legs furnished with claws and caruncles. 
Habitat . — I found two specimens only, $ and 9 , on the dead 
stump of a pine-tree which had been cut down, at lgls, near Innsbruck, 
Tyrol. 
