CHAMBERLIN: IfTRIOPODA OP THE AUSTRALIAN REGION. 163 



Cardo of mandibles <>f male strongly evenly extended caudad and 

 ventrad. 



Lower margin of collum rising in a straight and very oblique line 

 From the somewhat rounded eaudolateral corner lo the level of the 



eye, making lower end of plate angular; margined from caudal angle 

 to level <>f eye, with a second sulcus paralleling the margining one at a 

 considerable distance from the margin. 



Anal scutum exceeded by the valves, caudally rounded. Valves 

 not margined. 



Prozonit.es and anterior portion of metazonites dark, blackish above 

 but down the sides becoming paler from the inclusion of numerous 

 light areas; a light spot or aggregation of spots above pore on each 

 side and a narrow light transverse stripe across dorsum just behind 

 covered part of prozonite. Body banded with light rings, a light annu- 

 lus embracing each metazonite excepting its anterior portion. Anal 

 scutum almost solidly black; valves dusky over a paler background. 

 Vertex of head covered with a network of dark lines over a light 

 ground; a black area between eyes and antennae pointed below and 

 enclosing a large, light, elliptic spot mesad of each antenna and a much 

 smaller circular dot mesodorsad of each large one; lower part of face 

 again light. Legs somewhat ferruginofulvous. 



Number of segments, fifty to fifty-five. 



Width (male), 2 mm. 



442. Eumastigonus fasciatus, sp. nov. 



Type — M. C. Z. 4,870. Paratypes — M. C. Z. 4,871. New 

 Zealand: Taumarunni (W. M. Wheeler). 



Readily distinguished from E. kaorinus in having a continuous nar- 

 row longitudinal stripe immediately above level of pores and embrac- 

 ing the latter in its lower border. The color-pattern otherwise similar, 

 the anal scutum being black w T ith the valves pale; head rather lighter 

 but color-markings similar; legs and antennae fulvous; the light annuli 

 of segments much more pronounced. 



In the male gonopods the anterior median plate is very similar in 

 form, but is proportionately longer and narrower. Coxal piece of 

 anterior gonopods proportionately rather less elongate and less 

 incurved on ectal side proximad of the ectodistal lobe; the latter 

 bulging less laterad but extending decidedly farther distad and not 

 pectinate, finger-shaped like the mesodistal lobe but less slender. 



