from the Island of Madeira. 377 
compressed before, rounded on the sides, which are marked with 
slight furrows converging towards an indentation in the medial 
line, and is of a dark-reddish-brown colour, the medial line and 
lateral margins being much the darkest. The eyes are nearly 
equal in size, and are disposed on the anterior part of the cephalo- 
thorax in two transverse rows; the four intermediate ones form 
a square, the anterior ones, which are seated on a slight promi- 
nence, being the darkest of the eight; and those of each lateral 
pair are placed obliquely on a tubercle, and are contiguous. 
The falces are conical, vertical, and armed with a few small teeth 
near their extremity on the inner surface; the maxille are 
obliquely truncated at the extremity, on the outer side, and are: 
_ inclined towards the lip, which-is triangular. These organs are 
of a red-brown colour, the base of the lip, a longitudinal streak 
on the outer side of the falces, and a spot near their base, in 
front, having a dark-brown hue. The sternum is heart-shaped, 
with eminences on the sides opposite to the legs, and is of a 
dark-brown colour, tinged red in the medial line. The abdomen 
is somewhat oviform, sparingly supplied with hairs, very convex 
above, and projects over the base of the cephalothorax; the 
upper part is of a yellowish-white colour, obscurely reticulated 
with fine pale-brown lines, and a dark-brown, dentated, medial 
band tapers to the spinners, whose continuity is interrupted near 
its anterior extremity, which is the darkest; the sides have a 
brown hue, being darkest at their superior margin, and are 
marked with oblique lines formed by confluent dull yellowish- 
white spots; a dark-brown band, which is broadest at its poste- 
rior extremity, extends along the middle of the under part, and 
two short streaks of the same hue pass outwards from each side 
of tle spinners; the medial band is bordered laterally with 
yellowish white, and the colour of the sexual organs is reddish 
brown. 
The sexes resemble each other in the design formed by the 
distribution of their colours; but the male is smaller than the 
female, and the relative length of its legs is different, the second 
pair being very decidedly longer than the fourth. Its palpi are 
short, and of a pale-yellowish colour, the digital joint having a 
tinge of brown; several long bristles project from the cubital 
joint in front, and the radial joint has two apophyses at its ex- 
tremity, one on the inner and the other on the outer side, the 
superior margin of the latter, which is the larger, being fringed 
with long hairs extending over the palpal organs; the digital 
joint has a short, broad, somewhat oval form, its superior margin 
being much the most curved; it is convex and hairy externally, 
concave within, comprising the palpal organs, which are highly 
developed, encircled by two contiguous, filiform, black spines, 
