;2* MONOGRAPHIA CHALCTDUM. 



In shape, this species very much resembles Eur. verticillata, 

 but it is more slender, and the antennae are rather longer in 

 proportion. 



June ; amongst rushes in meadows ; Southgate. Sep- 

 tember ; Isle of Wight. 



Sp. 4. Eur. apicalis. Mas et fem. Nigra, prcecedenti angus- 

 iior, alls hyalinis. 



Caput obscurum : antennae graciles : oculi ocellique rufo-fusci : 

 thorax et petiolus obscuri, punctati : abdomen nitidum, glabrum : 

 tibiae anticae fuscae, subtus flavae : genua tarsique flavi. (Alarum 

 longitude, li — '21 lin.) 



Var. — Femora basi tibiseque anticae flavae. 



In this species the head is smaller, the body longer and 

 narrower than in the preceding. 



July; amongst grass, in meadows; Southgate. Septem- 

 ber ; Isle of Wight. 



Sp. 5. Eur. curta. Mas et fem. Nigra, Eur. abrotani simil- 

 lima, brevior, alls latioribus. 



Caput obsciirum : oculi ocellique rufo-fusci : thorax et petiolus 

 obscuri, punctati : abdomen nitidum, glabrum : tibice anticae 

 fuscae, subtus flavae : genua tarsique flavi : alas hyalinae. (Alarum 

 longitudo, 1| — 2 lin.) 



The anterior tarsi are fuscous above : the four posterior 

 tarsi are entirely yellow, or have a pale fuscous longitudinal 

 line above, darker toward the apex. 



July ; in meadows ; Southgate. September ; Isle of 

 Wight. July ; in the Forest of Fontainebleau. 



Sp. 6. Eur. collaris. Fem. Nigra, tarsis jlavis, prcecedenti 



simillima, statura graciliore antennisque longioribus differt, 



necnon, alls subfuscis elongatis angnstis. 

 Caput obscurum : oculi ocellique rufo-fusci : thorax et petiolus 



obscuri, punctati : abdomen nitidum, glabrum : tibiae anticae 



fuscae, subtus flavae : genua tarsique flavi. (Alarum longitudo, 



2i lin.) 



This species has a longer and narrower body than most of 

 the preceding : a considerable resemblance exists between it 

 and Eur. longipennis, but the wings of the former are much 

 narrower, the alary nervures and the tarsi paler. 



July ; amongst grass, in fields ; Southgate. 



