HouiDptcroiis J'aniihi !Membracida\ 209 



with the usual marginal and central carina^, broad at the base 

 and very slightly ascending at the apex ; tegmina hyaline testa- 

 ceous ; legs testaceous. Length 11 mm. 

 Mexico. Type Brit. Mus. 



Allied to P. paUipes, but differing in colour and in the 

 anterior process ])eing more robust aud much Avider at its base. 



J 

 7. Polygbjpta hordeacea, n. sp. PI. Ill, f. 4. 



StraAv-yelloAv, coarsely piinctured with chocolate-brown, 

 sparsely setose ; the dorsal region, an oblique interrupted band 

 beyond the middle and the terminal two-sevenths of the pro- 

 notum chocolate-brown ; iowv lateral longitudinal carinaj ; 

 anterior process straight, rather narrow, more than a third the 

 length of the entire insect, with marginal, two alibreviated basal, 

 and two continuous central longitudinal carinas ; its under 

 surface brown with one central carina ; body, legs, and tegmina 

 testaceous. Length 13 mm. 



Para, Type Brit. Mus. 



Allied t(rP. dorsalis, but with the pronotum and especially 

 the anterior process considerably straighter, the latter not 

 ascending at the tip, and with two central continuous longi- 

 tudinal carina}. 



8. Polygbjpta tricolor^ u. sp. PI. Ill, f. 5. 



Blackish brown, the dorsal region tawny or ochraceous ; a 

 short litura at the base of the anterior process confluent with a 

 broad arched band on the anterior part of the inner margin, and 

 an oblique band a short distance behind it, sulphur yellow edged 

 with black ; five lateral carina;, the anterior process rather long, 

 more or less obliquely ascending, with two strongly marked 

 longitudinal carina;. Length 12 mm. 



(Oaxaca), Mexico, and Peru. Type Brit. ^lus. 



Allied to^. maculata, but at once distinguished by its greater 

 length, much less width at the humeral angles, longer anterior 

 process with more prominent carina?, and different coloration. 



1 

 / 9. Polyghipta hogoten.sis. 



9 Pohiglypta hngotensift, Fairm., Ann. Ent. Ser. 2, iv, p. 297, 

 4(1.S4G).' 

 "^Polyghipta nigrivcntris^ Fairm., I.e., n. G (1846). 



