ACHlDIDiE. 528 



piceous patches in a line in the disk. Hind wings rather shorter, limpid 

 and with a pale hliie tinge towards ihe base, where the veins are also pale 

 blue. Length of ilie body is — 27 lines; expansion of ihe fore wings 

 38—44 lines. 



a. Para. From Mr. Bates' cnljcctiiin. 



b, c. Para. Presented by E. Graham, Esq. 

 d, e. Demerara. 



14. XlPHOCERA IXCLAKATA. 



Mas. Ferruginea; caput et prothorax nigricanle bivittata ; caput anlice 

 longi-conicutn sub acu turn ; anteniKe picece, lanceolatce, subclilatatte 

 prolhorax nigra tuberculatum, crista Jlava incisa antice ftircata, 

 carinis duabus lalerulibus oblicjuis indeterminatis, man/ine postico 

 producto rolundato ; femora puslica siibtvs dentala ; alee apice trnn- 

 cata ; al(E anticce vitta postica lanceolala abbreviata viridi-Jlava ; 

 ala posticcc nigrce, apud costam luteo punctatce. 



Male. Ferrnginons, thinly pilose. Head and prothorax with two 

 blackish stripes. Head in front of the eyes elongate-conical, slightly acute ; 

 under side slightly tubercuiated, with two approximate keels. Eyes elongate- 

 elliptical, transverse, prominent. Antennae piceous, flat, tapering, slightly 

 dilated, longer than the prothorax. Thorax and hind femora with black 

 tubercles. Prothorax with an indistinct oblique keel on each side, and 

 with a sliglit crest; crest yellow, with three notches, forked on the fore 

 border ; hind border elongated and rounded. Prosternum with an acute 

 erect spine. Hind femora dentate beneath along the inner keel; outer 

 .side wiih angular transverse ridges. Hind tibiae with tawny black- 

 tipped spines, those on the inner side twice longer than those on the 

 outer side. Wings truncated at the tips. Fore wings with a greenish 

 yellow stripe tapering along tlie hind border from the base to half the 

 length. Hind wings black, a little shorter, with some luleous points along 

 the costa. Length of the body 14 — 25 lines ; expansion of the fore wings 

 32—45 lines. 



a, h. Orizaba. From M. Salle's collection. 



15. XlPHOCERA JCCUNDA. 



Mas. Testacea ; caput et prothorax viridi bivittata; caput antice coni- 

 cum ; aniennce graciles, subsetacecB ; prolharax aspere punctatus^ 

 subtricarinatus, margine antico subrotundato siibinciso, margine 

 postico subproducto obtuse angulato ,• femora postica carinis duabus 

 inferis spinulosis; alec breviusculie, apice rotundatce ; alte auticcB 

 macula basali subcostuli Jiava nigra marginata, vitta postica alba; 

 alee posticce ochracece, apice virides, vitta discoidali diuphana. 



Male. Testaceous, rather slender. Head and prothorax wiih two 

 green stripes. Head smooth, cunical in front of the eyes ; Inmt wiih four 

 keels, the inner pair slii;iilly diveiging towards the mouth, which is 

 whitish. Eyes elliptical, transverse, [irominent. Anienn;E flat, slender, 

 slightly tapering, longer than the proliiorax. Prolhorax roughly punctured, 

 with three slight keels ; fore bolder slightly rounded, slightly notched in 

 the middle ; hind purl slightly elongated, obtusely angular. Prosternum 



