FAM. HLAl'TID/F, 



I o . Posterior angles of seventh aluiominal tergile backiK'ardly 



proihiced ; abdomen above siahroiis 



lo'. Posterior attgles of seventh abdominal tergile notback- 

 uardly produced ; abdomen above smooth, nitid. 

 II. Lateral margins of pronotum }iot incrassafid . 

 ii'. Lateral margins of prunotnin incrassated . . . . 

 8'. Tegmina quadrate, as long as the prunotnm. 



g. Wings absent 



9'. Wings rudimentary 



7'. Tegmina and 'u'ings i^'ell developed . 



8. Antennae not plumose nor incrassated. 



g. Pronotum anteriorly parabolic, sides dejlexed . 



9'. Pronotum discoidal, sides not deflexed 



8'. Antennae plumose and incrassated . 



5'. Distance apart of eyes on vertex of head greater than distance 

 apart of antennal sockets. American forms. 

 6. Tegmina squamiform or much reduced, quadi ate and not 

 extending beyond the metavotitm. Wings absent or squami- 

 form 



6'. Tegmina and wings completely developed or ovate and extend- 

 ing to the middle of the abdomen 



4'. Posterior metatarsus longer than the remaining joints, the second 

 and generally the third of which are armed beneath. 

 5. Pronotum trahezoidal or discoidal. 

 6. Both Sixes apterous or with squamiform tegmina .... 

 6'. Male sex only or both sexes with well-developed tegmina. 

 7. Second joint of posterior tarsi long, together with the third 

 and fourth joints biserialely spined beneath. Pidvilli 

 minute. 

 8. Tegmina of (^ variable, but always shorter than the abdo- 

 men, of 9 squamiform or truncate or lanceolate 

 8'. Tegmina of cf well-developed, exceeding apex of abdo- 

 men . 



9. Tegmina of 9 sub-truncate or squamiform . 



10. Tegmina of 9 sub-truncate. Meso- and metanotum 



of (^ without membranous processes 



10'. Tegmina of 9 squamiform. Meso- and metanotum 



of cf with membranous processes 



9'. Tegmina of Q fully developed, exceeding the apex of the 



abdomen. 



10. Pronotum broadest behind middle, its sides deflexed . 



10' ■ Pronotum broadest before middle, discoidal . . . . 



7'. Second joint of posterior tarsi short, fourth joint unarmed 



beneath. Pulvilli moderately large 



5'. Pronotum oblong 



3'. Tibiae with spines on outer aspect biseiiafely arranged. 



7. Genus Cosmozosteui.\, Stal. 



8. Genus Anamesia, Tepper. 



9. (jenus Des.mozosteria. Shelford. 



10. Genus Temnelytra, Tepper. 



11. Genus Scabina, Shelford. 



12. Genus Methana, Stal. 



1 3. Genus Paramethana, Shelford. 



14. Genus Thyrsocera, Burmeister. 



i5. Genus Eurycotis. Still. 



16. (jenus Pei.matosh.I'Ha, Dohrn. 



18. Genus Stylopyga, Fischer von 



fVValdheim. 



ig. Genus BLArxA, Linnaeus. 



20. Genus Cartobi.at ta. Shelford. 



:i. Genus Pseudoderopeltis, Krauss. 



22. Genus Peripi.aneta, Burmeister. 



23. Genus Homalosilpha, Stal. 



17. Genus Doryl/Ea, Stal. 



24. Genus Eroblatta, Shelford. 



