1896.] SPIDHES PROM THE LOWBB AMAZONS. 735 



(1892). (J, long. 14 mm. Eab. Eio, Brazil.— Of this species 

 Simon says : — " Tarsi cuncti subtus scopulati," and also " Partes 

 oris .... (omnino muticse)." 



Genus Homoeoplacis, E. Siraon. 



Type. H. pentodon, E. Simon ( $ ), Ann. Soc. Ent. Fr. 1892, 

 p. 275. ? 11-8 long. Hab. Brazil, S. Paulo de Olivenga. 



HoMffiOPLACIS ATJBTENI, D. sp. ( cS)'. (Plate XXXIV. figs. 14, 

 15, 16 a & b.) 



(3 . Hab. ManSos, Lower Amazons. 12 mm. long. Type in 

 coll. Brit. Mus. Nat. Hist. 



cJ . — Colour. Carapace, sternum, and legs dull orange-brown. 

 Abdomen mouse-grey. 



Carapace marked on the caput with three dark longitudinal 

 lines, the central narrower, with a central and t« o lateral series of 

 stiff curving black bristles. Thoracic area wil li converging lines of 

 blade bristles. Central fovea deep, procurved. Margin of cara- 

 pace fringed with stiiJ curving black bristles. 



Abdomen shorter and narrower than carapace, clothed with dark 

 mouse-grey pubescence and black hairs. Spinners four ; pale 

 straw-yellow ; shorter than abdomen. Posterior pair three-jointed, 

 with pseudo-joint at base ; basal joint longest, middle joint half 

 its length, terminal much shorter, globular. Anterior pair half 

 the length of basals of posterior pair, almoslr contiguous. Man- 

 dibles brown ; sternum pale stravi'-yellow, furnished with black- 

 hairs. 



Carapace longer than broad ; cephalic area less than two-thirds 

 the length of carapace ; central fovea deep, procurved. 



Ocular tumulus low, quadrate, narrower in front. Eyes opaline, 

 set in a black ground. Anterior centrals large, half a diameter 

 apart, not larger than anterior laterals, these being in front and 

 close to the margin of the clypeus, half a diameter apart. Poste- 

 rior laterals a little smaller than anterior centrals, and nearly one 

 diameter from them. Posterior centrals very small, one diameter 

 from anterior centrals, half a diameter from posterior laterals. 



Mandibles dark brown, furnished at apex with a rdteau formed 

 of five long stout teeth or modified hairs. Eang-groove fringed on 

 the outer side with a dense line of bright rufous hair ; the inner 

 margin furnished with a row of 8 stout conical teeth ; the floor 

 towards the base studded with a very few minute cusps. 



Sternum longer than broad. Sigilla i., ii., iii., iv. present, mar- 

 ginal, the last three pairs scarcely noticeable. 



Labium broader than long, globular, not furnished at its apex 

 with cusps. 



' I haTe much pleasure in associating this species with tlie name of Mr. H. H. 

 Austen, to whom I am indebted for calling my attention to the specimen when 

 collecting together near Manaos 



