25a MUSCID;??. 



Corpus depressiim. Fades latissima, riigosa. AI(b abdomen superantes, 

 postice demrvcE. Abdomen \-anrmlatum., orhiculatum, planum, subde- 

 Jlexmn. Tibice intermedice nisi apice nudce. 



Body depressed. Face rugose, very broad. Wings not extending be- 

 yond the abdomen, decurved behind. Abdomen orbicidate, flat, slightly 

 dejlexed, with four segments. Middle tibiae bare, except at the tip)S. 



5. incurva, Fal. Act. Holm. 1813. 249. Hydr. 8. 6. 1 (1813); 

 Meig. ! Zw. vi. pi. 58. f. 14-17 ; Mcq. ; Hal. ; Zett. Nigra, aiitennis 

 tarsisque posterioribus luteis. Long. 1| ; alar. 2 lin. 



Black. Antennae and posterior tarsi luteous. Wings blackish. 

 Found iu September on the wooded cliffs about Isli-oronsay, in 

 Skye; runs swiftly^ but scarcely flies. (E. I.) 



Subgenus 4. Teimerina. 



TfiiMERiNA, Mcq. D. ii. 529 (1835) ; Hal. Fsilopa p., Fal. Act. Holm. ; 

 Meig. ; Zett. Fsilopa, Fal. Hydr. 



Fades perpendicularis. Antenna articulo tertio oblongo. Ala: plance, 

 abdomen non superantes. Abdomen marginatum, quasi 2>-annulatnm, 

 i. e. segmentis ])rimo et quinto miiiimis, tribus intermediis magnis. Tibice 

 intermedice nisi apice inermes. 



Face vertical. Antennce with the third joint oblong. Wings fat, not 

 extending beyond the abdomen. Abdomen with a margin apparently with 

 three segments, that is, with the first and fifth segments very small, the 

 other three large. Middle tibice bare, except at the tips. 



6. madizans, Fal. Act. Holm. 1813. 7. 2. 252 (1813); Meig.; 

 Mcq. ; Hal. Nigricans, submetallica, antennis femoribus anticis pedi- 

 busque posterioribus rufis. Long. 1 ; alar. 1^ lin. 



Blackish, slightly metallic. Antennae, fore femora, and hinder legs 

 luteous. 



Not uncommon on grassy banks, running actively and flying- 

 little. (E. I.) 



Subgenus 5. Hygrella. 



Hygeella, Hal. A. N. H. iii. 223 (1839). Notiphila p., Fal. ; Meig. 

 Fsilopa p., Fal. ; Zett. Hydrellia p., ]\Icq. Keratocera p. ? Desv. 



Fades perpendic'ularis, lateribus ciliata. Antennce articulo tertio oblongo 

 defiexo. Alee abdomen stiperantes. Abdomen immarginatum, segmentis 

 quinque subceqtialibus. Tibice intermedice nisi apice nudce. 

 Face vertical, ciliated on each side. Antennce with the third joint ob- 

 long, defiexed. Wings extending beyond the abdomen. Abdomen without 

 a margin, having five almost equal segments. Middle tibia bare, except 

 at the tips. 



