11)4 liULLETIN 16, UMTKD STATES NATIONAL MUSEUM. 



6. SpiroboluB zoiiipiis, sp. iiov. 



Piai/tioHiM. — IN'liiti'ii to S/tifoholHx J'aratus Karsrli, l)iit \hv anterior 

 part of sr^iiiM'iits witli ii traiisvrrsr siih-us; N«';;iiit'Mts visibly <livi<U'(l; 

 U'iiH sliort«'r; «;nM'iiislil)lark. left's brown, joints rin^^ed with paU-r. 



Ti//k: — I'cnial*', \' . S. Nat. Mnsruni. 



JldlfHiit. — Paramaribo, Surinam. 



lhs(>-ipt!o)i. — Dark ;;roenisli bla<'k, i»o.st«'rior bonU'r of scjiincnts yrl- 

 Io\vi.sli:anttiinaMlark ;!«';• s I )rownisli, last tarsal Joint pair, others rin^^cd. 

 liatlicrslrmlcr, anterior sediments scarcely attenuated. N'crtcx smooth, 

 sulcus d<;ep, sulKU)ntinnous with clypcul; clyiicus not dc«'ply emargi- 

 niit(% Huh'us snudl, fovcola* L'-)-L'. Antenna' slioi t and thick, reaching 

 second segment. ()<'<'lli 40-45, in 7 series; ]>atch subtriangular. Seg- 

 ment smooth, sparsely punctate: anterior i>art with a transverse sul- 

 cus which ends in under pore, not striate beneath; posterior part with 

 short stria' beneath. Sides <»t' tirst segnu'iit I'ounded, not acute, a mar- 

 ginal sidcus. Iicpugnatorial i»ore small, placed on anterior |»art; sul- 

 cus bent. Anal segment i)roduced into a wide, Hat, obtusely angled 

 inucro, which i>asses beyoiul valves; anal valves scarcely margined, 

 not punctate: anal scale large, obtusely angh'd. Legs not (piite ex- 

 tending beyond sides of body. Segments 40-4.S. Lengtli, 43-50"""; 

 width, 4-5""". 



Described from s«'veral females most of which arc liroken; they were 

 found in the vial containing <S'. sKrhKimctisis, without any locality. 



7. SpiroboluB dugesi, sp. imv. 



Dhiffnosin. — Kelated to Spiroholns hctnn Karseh, but the segments 

 very ]daiidy scgnjcnted; strijenot extending beyond the length of legs; 

 shining bluish black. 



Type. — ^lale, U. S. Nat. Museum. 



lluhltat. — (iiianajuato, ^Mexico* Duges. 



DcHvrlpiiou. — Dark shining bluish black, posterior border of seg- 

 ments paler; antenna' and legs reddish brown. Slender, anterior seg- 

 ments scarcely attenuated. Vertex smooth, sulcus vj'ry shaHow; cly- 

 pens moderately emargin ate, foveohe 2-|-L*, sulcus shallow, extending to 

 opi)osite bases of antenna': between antenna' are two obliciue sulci 

 {y^\)', antenna' short, clavate. reaching second segment. Ocelli only 

 represented by a black area, in which are indistinct traces of ocelli; 

 colored area subcircular, partly covered l)y first segment. Segments 

 rather deeply divided, smooth: stria* of posterior part not extending 

 beyond length of legs. Lateral border of first segment rounded, a very 

 short marginal sulcus. Spine of anal segment large and long, tip 

 slightly recurved; anal valves produced in under spine, \ery strongly 

 margined, a margin extending around anal scale; anal scale large, ob 

 tusely angled. Repugnatorial ])ore rather small, deep set: behind them 

 is a deep sulcus on posteriorpart of segments, h^)^^ short, not extend- 

 ing beyond sides of body. 



