18 MR. F. O. PICKA-BD-CAMBRIDGE OX 



slightly larger than laterals : central posteriors slightly smiller 

 than posteriors ; central quadrangle slightly broader than long. 

 Tibial apophysis of palpus S-shaped, falciform, its apex directed 

 outwards and slightly dilate, compressed, spiraliforni. Palpal 

 bulb surrounded by a stout circular spine, lying in a groove iu 

 the surface of the bulb. 



A single adult male of this beautiful species was taken by 

 Dr. Plate at Am civ en. 



GrATEN]VA MACULATiPES, Keys., JBrasUianisclie Sjnnnen, p. 141, 

 pi. iv. 97&97rt. 



Although the adult male example from Juan Fernandez is 

 considerably larger than the type in Keyserling's collection, yet 

 1 am unable to find any difference in the structure. 



An adult male and an immature female were taken by 

 Dr. Plate in Juan Fernandez. 



Pamily DrcTrNinjE. 



Amaueobiits Platei, sp. n. (Pi. 2. fig. 3.) 



6 . Total length 12 mm. ; carapace 55 X 3*5 ; leg i. 21. 



Colour. Carapace pale orange-yellow, suffused with sooty- 

 black on the margins of the caput. Mandibles deep mahogany- 

 brown. Legs pale yellow, deepening to mahogany-brown towards 

 the extremities. Legs i — femora mahogany-brown, with two 

 indistinct dark transverse spots beneath ; patella, tibia, pro- 

 tarsus, and tarsus deep mahogany-brown. Legs ii — femora pale 

 yellow, with two transverse spots beneath, the rest as in i. Legs 

 iii. and iv. paler ; tibige and protarsi indistinctly annulate with 

 sooty-brown. Abdomen black, with pale anterior dorsal area, 

 containing four ill-defined white spots, followed to the spinners 

 by a series (3 or 4) of narrow white A-shaped bars. Apex of 

 abdomen deep black. Sternum pale orange-yellow. 



Slructure. For figure of palpus see Plate 2. fig. 3. 



A single adult male was taken by Dr. Plate at Tumbez. 



Family Aegiopid^. 



MeTA KTQE0TITJMEEALI3, sp. U. (PI. 2. fig?. 4 & 5.) 



2 . Total length 15 mm. 



Colour. Carapace pale orange-yellow ; the caput, central stria, 

 and a submarginal line rich brown. Mandibles rich mottled 

 brown. Legs pale orange-yellow ; femora suflTused with brown 

 towards the apex ; patella?, tibiae, and protarsi of i. and ii. 



