206 Transactions. — 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, kh, falces, witli teeth 

 along their inner edge ; r?; fangs; gg, maxillte ; h, labium ; f, stei'- 

 num ; nmi, ordinaiy spiracular plates ; tt, small folds, j^robably 

 openings to supernumerary tracheai ; n, genital aperture ; o, spinnei's j 

 p, anal nipple. 



3 — In profile, with legs and palpi truncated, n, the clypeus ; o, ocular 

 area ; p, supernumerary spiracular orifice ; m, ordinary ditto ; 

 r, caput ; v, occiput ; w, thorax ; x, falx. 



4 — Cephalo-thorax, from upper-side, b, caput ; a, tlioracic segments, the 

 grooves indicating their junctional 2:)oints, as shown by the converging 

 lines ; e, tlie indentation, showing the convez'ging 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 theii- inner edges. 



6 — Fore part of abdomen of female underneath. II, spiracular plates ; 

 ii, small folds, probably openings to trachese ; k, genital ap>erture. 



7 — Portion of palpus, male ; o, palpal organs ; tt, apophyses at extremity 

 of radial joint. 



8 — Palpus, male, with maxilla attached. i/, maxilla; x, axillary joint; 

 w, humeral joint ; v, cubital joint ; f, radial joint ; s, digital joint ; 

 o, palpal organs. 



9 — Palpus, female, r, terminal palpal claw. The other joints as in 



fig. 8. 

 10 — Leg of first pair, cr, coxal joint; b, exinguinal joint ; c, femoral ; 



d, genual joint ; e, tibial joint ; /, metatarsus ; g, tarsus. 

 11 — Tarsus, jsjo, superior terminal tai-sal claws ; o, inferior ditto. 

 12 — Fore part of caput to show the eyes, a, fore-central pair; b, hind- 

 central pair ; c and d, lateral pairs. 

 13 — Hinder part of abdomen, beneath, r, spinners ; s, anal orifice. 



Maceothele huttonii, sp. n., adult male. 

 Figs. 14—19. 

 Fig. 1 4 — Spider of natural size. 



15 — Under-side with legs and palpus truncated. 



The difierent parts lettered are the same as those in figure 2, except 

 n7i, the additional pair of spiracular plates. Observe that the 

 spinners here, oo, are only /our in number. 



