206 T'ransactions.— Zoology. 
Description of Plate VI. 
CAMBRIDGEA FASCIATA (L. Koch), adult male. 
Figs. 1—13. 
Fig. 1—Spider of natural size. 
2—Under-side with legs and palms truncated. Z, falces, with teeth 
along their inner edge; rr, fangs; gg, maxille; A, labium ; f, ster- 
num; mm, ordinary spiracular plates; #, small folds, probably 
openings to supernumerary trachee ; n, genital aperture ; o, spinners ; 
p, anal nipple. 
3—In profile, with legs and palpi truncated. n, the clypeus ; o, ocular 
area; p, supernumerary spiracular orifice; m, ordinary ditto ; 
т, caput ; v, occiput; w, thorax ; 2, falx. 
4—Cephalo-thorax, from upper-side. 6, caput; а, thoracic segments, the 
grooves indicating their junctional points, as shown by the converging 
lines; e, the indentation, showing the converging point; c, front 
row of eyes ; d, hinder ditto. 
5—Fore part of caput and falces from in front. e, facial space; dd, falces, 
showing teeth on their inner edges. 
6—Fore part of abdomen of female underneath. Z spiracular plates ; 
tt, small folds, probably openings to tracheæ ; Z, genital aperture. 
7—Portion of palpus, male ; o, palpal organs ; £t, apophyses at extremity 
of radial joint. 
8—Palpus, male, with maxilla attached. y, maxilla; z, axillary joint; 
w, humeral joint; v, cubital joint; £ radial joint ; s, digital joint; 
9, palpal organs. 
9—Palpus, female. z, terminal palpal claw. The other joints as in 
fig. 8 
10—Leg of first pair. а, coxal joint; 5, exinguinal joint; c, femoral ; 
d, genual joint ; e, tibial joint ; 4 metatarsus ; g, tarsus. 
ll— Tarsus рр, superior terminal tarsal claws ; o, inferior ditto. 
12— Fore part of caput to show the eyes. а, fore-central pair ; b, hind- 
central pair ; c and d, lateral pairs. 
13—Hinder part of abdomen, beneath. r, Spinners ; s, anal orifice. 
MACROTHELE HUTTONI, sp. n., adult male. 
Figs. 14—19. 
Fig. 14— Spider of natural size. 
15—Under-side with legs and palpus truncated. 
The different parts lettered are the same as those in figure 2, except 
mn, the additional pair of spiracular plates. Observe that the 
spinners here, oo, are only four in number. 
