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7 No connecting (transverse or oblique) keels-on vertex. . . . 



10 Tropidoccphala 



7a Transverse or oblique subniedian keels on the vertex.... 

 9 Hadeodclphax 



8 Frontal keels uniting apical of one-fourth of the length of 



the eyes f rontally (9 ) 



8a Frontal keels uniting not apical of that ( 1 1 ) 



9 Head rounded anteriorly, keels on frons very feeble. . . . 



II Ancctopia 



9a Head with strong keels (10) 



ic Lateral keels of pronotum straight, or curving verv slightK- 

 inwards, reaching the posterior-margin ; male pygophor 

 without spines on the ventral wall of the anal tube. . . . 

 5 Peregriniis 



loa Lateral keels curving outwards under the eyes; male pygo- 

 phor with spines on the ventral wall of the anal tube 

 6 Dicranotropis 



1 1 Lateral margin of vertex roundly arched, not carinate, meet- 



ing anteriorly roundedly, the central dorsal area long 



triangular, strongly keeled 12 Haplodclphax 



iia Lateral margins of vertex more or less straight and keeled 



• (12) 



12 Male pygophor with the ventral margin deeply emarginate 



3 or 4 times 15 Megamcliis 



1 2a Male pygophor not emarginate on the ventral margin more 



than once 13 Gclas- 



todclphax, 14 Smicrofatodclphax and 16 Dclphacodes 



Ugyops. 



Ugyops Guerin 1834 Voy. Belanger Zool. IV 477. 



This genus is distrilnited over the Oriental Region and one 

 species was described from Ponape in the Carolines ; a new spe- 

 cies is now added from Fiji. 



I. viticiisis, sp. nov. 



Pale sordid stramineous, suffused in places with a rosy hue, 

 apical half of second segment of antennae infuscate. Keels of 

 head and scutellum very narrowly dark. Pronotum discally 

 fuscous. Tegmina hyaline, tinged with a smoky hue in parts, 

 subcostal vein pale, other veins dark fuscous, occasionally annul- 

 ate with yellowish white ; apical cells sparsely fuscous in parts, 



