LOCUSTID^. 415 



medial vein conlifjuous till near the tip, where they hoth ramify ; a fold 

 alonic the anal vein, between which and the interior border the space is 

 minutely reticulated. Hind win^js pellucid ; veins very pale green. Length 

 of the body 17 lines ; expansion of the fore wings 48 lines. 



The more rounded interior border of the fore wings distinguish it from 

 Z, robusia. 



a. Ceylon. Presented by Dr. Hooker. 

 6. Ceylon. Presented by Dr. Tenipleton. 



3. ZUMALA MUTILATA. 



Mas. Viridis aut testacea, robusta ; frons punctata ; prothorax sub. 

 tiliter InberctdatU':, perparum carinatus ; styli lamince svbgenilalis 

 fnsifarmes; ])edes robusti, breviusculi, tibiis quatuor anlerioribm 

 inermibus ; alee anlicce breves^ lalissinicB, margine inleriore valde 

 rotundato ; alee posticce breves. 



Male. Green or testaceous, stout, fusiform. Head a little narrower 

 than the proihorax ; keel of the vertex lanceolate, furrowed, much shorter 

 than the first joint of the antennae and not more than half its breadth ; 

 front punctured, lanceolate between the sockets of the antennae. Eyes 

 brown, small, round, prominent. Prothorax finely tuberculate, very 

 slightly keeled, with two transverse impressed lines, which are abbre- 

 viated on each side; fore border slightly rounded in the middle; sides 

 very slightly angular; hind border very slightly rounded. Abdomen 

 slightly keeled above. Subgenitil lamina with two fusiform styles 

 which are curved upward. Legs stout, rather short; four anterior 

 femora with two rows of rudimentary spines beneath; middle femora 

 with one row of small spines above ; hind femora much shorter than 

 the fore wings, with two rows of small spines beneath and with one row 

 of long siout spines above; four anterior tibiae unarmed; hind tibise 

 with a few very minuie spines. Fore wings vei-y broad, a little shorter 

 than the body, with irregular and comparatively few areolets; costa slightly 

 rounded; interior border extremely rounded, a deep fold along the anal 

 vein; abroad space between ti]e costa and the scapular vein, which is 

 connected with the externo-medial till near the tip. Hind wings pellucid ; 

 veins whitish. Length of the body 9 lines; expansion of the fore wings 

 18 lines. 



a. Ceylon. From the Rev. Mr. Wenham's collection. 



b. Ceylon. From Dr. Thwaites' collection. 



4. ZuMALA CiNGALENSIS. 



Mas. Testaceus, rohustus ; caput longiuscvlum, carina tenni lancenlata 

 acuta subexcavata ; anteunce sat vuiidce ; prothorax tubercu/atus,sub- 

 carinatus, margine antico rotundato, iateribiis rectis crenulatis 

 margine postico subrotundalo ; lamina supra-analis lata ; lamina sub- 

 genilalis latissima, apicem versus valde attenuata stylis duobus biarti- 

 culatis ; pedes breves, robusti, spina suli ; alee antiae fusco notatce. 

 Male. Testaceous, stout, fusiform. Head elongate, a little narrower 

 than the fore border of the prothorax ; keel lanceolate, acute, slightly exca- 

 vated, not more than half the breadth of the first joint of the antennae ; 



