84 Mr. A. Patience on 



Genus Zyzzogeton. 



Zyzzoyeton, Bredd. Soc. Entoinol. xvi. p. 178 (1902). 

 Type, Z. haenschi, Bredd. 



Zyzzogeton mazaria, sp. n. 



Vertex, pronotum, and scutellum dark purplish brown ; a 

 large triangular longitudinal fascia to vertex (broader at 

 apex and narrower at base) pale ochraceous ; pronotum with 

 two spots on disk between the lateral angles and one on 

 each lateral area ochraceous ; abdomen above, body beneath, 

 and legs chocolate-brown, basal margin of face ochraceous ; 

 tegmina pale olivaceous green, inner and costal margins 

 (narrowly) , apical margin (broadly), apex of claval area, 

 and a discal spot before apex dark purplish brown ; wings 

 fuscous brown; vertex about half the length of pronotum, 

 centrally, broadly, foveately impressed, apically subtruncate, 

 ocelli much nearer to eyes than to each other ; face 

 centrally, longitudinally, broadly foveate, the lateral areas 

 transversely striate ; clypeus compressed, centrally angularly 

 elevated; pronotum rugulose and punctate, the lateral angles 

 broadly, obliquely, obtusely, angularly elevated, anterior 

 margin ridged, basal margin strongly angularly sinuate 

 before scutellum, lateral margins oblique, very slightly 

 sinuate ; scutellum with the apical area finely transversely 

 wrinkled; corium distinctly and somewhat thickly punctate. 



Long., excl. tegm., 18 mm. ; exp. tegm. 38 mm.; exp. 

 pronot. angl. 6 mm. 



Hub. Colombia (R. Dagua, Brit. Mus.). Ecuador; Pa- 

 ramba and Cachabe {Rosenberg, Brit. Mus.). Peru (Brit. 

 Mus.). 



IX. — On Trichoniscoides albidus {Rudde-Lund) andT. sarsi, 

 Patience (nom. nov.). By Alexander Patience. 



[Plate VI.] 



Fam. Trichoniscidae. 



Gen. Teichoniscoides, G. 0. Sars. 



I FIEST met with the species Trichoniscoides albidus (Budde- 

 Lund) in company with Trichoniscus pi/gmceus, G. O. Sars, 

 and T. s'ebbingi, Patience, in a field near Alexandra Park, 

 Glasgow, in the autumn of 1906. Some time afterwards I 



