the TetriginiB in the Oxford University Museum. 405 



Genus Mazarredia, Bolivar. 



1. M. sculpta, Bolivar, Ann. Soc. Ent. Belg., xxxi, p. 240, 



1887. 



One female example referable to this species, from 

 Assam, India, in the University Museum, Oxford. 



The pronotal process is mutilated in this specimen ; 

 the hind femora measures only 7 mm, instead of 8*5 mm., 

 given by Bolivar, but it agrees with the description of 

 this insect. 



2. M. dorrea, sp. nov. 



A small abbreviated apterous form, coloured testaceous variegated 

 with fuscous. Resembling the allied species abbreviata, Bolivar, in- 

 habiting the Island of Viti. Vertex viewed from above convex at 

 the front border, wider than one of the eyes, little widened anteriorly, 

 the tranverse carinulse subacutely elevated between the anterior 

 third of the eyes, the sides sinuate, median carina little produced ; 

 frontal costa scutelliform, little elevated, viewed in front concave, 

 abruptly widened below between the antennae and strongly com- 

 presso-narrowed between the posterior ocelli. Pronotum abbreviated, 

 dorsum scabrous, pluri-impressed but broadly fossiilate at the base of 

 the short process, anteriorly subtectiform, humeral angles obsolete, the 

 apex of obtuse process barely emarginate ; median carina percurrent 

 biundulate, forward before the shoulders and posteriorly on process 

 convexly elevated, lateral lobes having the posterior angles quadrate, 

 obliquely truncate behind, the angles little reflexed outwards. 

 Anterior and middle femora compressed, superior carinte of anterior 

 femora entire, longitudinally convex, below triuudulate, sublobate ; 

 superior carinas of middle femora obscure undulate nearly straight, 

 the inferior carinae triundulate-lobate ; posterior femora somewhat 

 depresso-incrassate, margins entire, the antegenicular and apical 

 lobes acute ; the three pulvilli of the first tarsal articles nearly 

 equal in length. 



Entire length "of body, female, 9-5 mm. ; pronotum 6"5 mm. ; 

 posterior femora 5 mm. 



One example from Dorey Island, New Guinea, collected 

 by Wallace ; W. W. Saunders' collection, presented by 

 Mrs. F. W. Hope to the University Museum, Oxford. 



Genus Orthotettix, nov. 



Related to Blazarredia, Bolivar, but having the body smoothly 

 granulate, vertex narrow, the tranverse carinulee strongly oblique 



