MONOCJKAPJIIA CIIALCIDITUM. 499 



Sp. 53. Pter. pexatus. Fem. Virhlis, antennisfuach, scu- 

 tello cyaneo, pedibus jlavis, alts sublimpidis. 



Viridis, P. perpetuo simillimus, alse angustiores : caput thorace vix 

 latius : oculi obscure rufi : antennae fuscse, subtus flavae ; arti- 

 culus 1"^. flavus, apice fuscus : mesothoracis epimera, paraptera 

 et scutellum cyanea ; metathorax jeneo-viridis : abdomen viridi- 

 aeneum ; discus obscure purpureus; segmentum 1™^. Isete cuprco- 

 viride : pedes flavi ; coxae virides ; meso- et metatarsi pallide 

 flavi ; tarsi omnes apice fulvi : alae fere Hmpidae, minime fulves- 

 centes ; squamulaa et nervi flava, illze antice fusciE ; stigma 

 minimum. (Corp. long, f lin. ; alar. 1| lin.) 

 Found near London. 



Sp. 54. Pter. inops. Fem. Viridi-ceneus, P. perpetuo 

 similis, antennis nigro-fuscis, pedibus fulvis, mesofeviori- 

 bus pallide fuscis, alls sublimpidis. 



Viridi-aeneus, brevis : caput thorace paullo latius : oculi obscure 

 rufi : antennae nigro-fuscae ; articulus l"'*. niger, basi flavus : ab- 

 domen aeneo-viride, thorace paullo longius, basi cupreo-varium : 

 pedes fulvi ; coxae aeneo-virides ; meso- et metapedum genua, 

 tibiae apice tarsique flava, hi apice fusci ; mesofemora pallide 

 fusca: alae fere limpidae, minime fulvescentes ; squamulae et nervi 

 pallide flava, illae antice obscuriores ; stigma fulvum, minimum. 

 (Corp. long. I lin. ; alar. 1 lin.) 

 September; Lyme Regis, Dorsetshire. 



Sp. 55. Pter. detritus. Fem. P. viriduli statura, antennce 

 graciliores, abdoman latius. 



yEneus, obscurus, P. innoto longior, P. viridulo thorace breviore dis- 

 tinctus : caput thorace paullo latius : oculi obscure fusci : antenna3 

 nigro-fuscae ; articulus 1"^. niger, basi fulvus : abdomen cupreum, 

 nitens, basi et utrinque viride, apice paullo attenuatum : pedes 

 fulvi ; coxae aeneo-virides ; meso- et metatarsi flavi, apice fusci : 

 alaj parum fulvescentes ; squamulae et nervi fulva ; stigma minu- 

 tum. (Corp. long. | lin. ; alar. 1 lin.) 

 September; Lyme Regis, Dorsetshire. 



Sp. 5Q. Pter. inscitus. Fem. Purpureo-capreus , prccee- 

 dentibus propter antennas breviores discretus, abdominis 

 segme litis basi viridibus, antennis pedibusque fuscis, alls 

 subfulvis. 



Obscure cupreus, parum nitens : caput thorace vix latius : oculi 

 obsxjure rufi : antennae fiiscae, graciles, corporis triente non Ion- 



