ON THE SPECIES OF FLATYGASTER. 243 



** Scutellum tuberculo simile, non productum. 

 ■f Fern, abdominis segmenta postica attenuata. 



18. Fern. — Antennas extrorsum crassiores, corporis dimidio breviores; 

 articulus 2 US . cyathiformis ; 3 US . minimus ; 4 US . et sequentes 

 mediocres, breves, asquales ; 10 us . paullo longior, conoides, 9°. 

 approximates : thorax ovatus : mesothoracis parapsidum suturae 

 conspicuse ; scutellum minime convexum : metathorax brevissi- 

 mus : abdomen teliforme, thorace duplicato multo longius ; seg- 

 menta 1°. ad S um . sequentibus paullo breviora ; l um . bene 

 determinatum ; 2 um . et 3 um . ovatum fingentia, hoc l 1 . longitudine, 

 ilium thorace paullo brevius ; 4 um . basi paullo latius, 8°. fere 

 duplo longius ; 5 um . lineare, 4°. multo longius ; 6 um . acuminatum, 

 4\ longitudine. 



Sp. 44. Plat, ensifer. Fem. Ater, pedes rufo-fusci, alee albce. 

 Epimeces ensifer . . Wcstwood, Loudon s Mag. Nat. Hist. 

 VI. 4>2l.Jig. g. a 



Ater, nitens, laevis, fere glaber : caput subtilissime punctatum : 

 oculi ocellique nigro-picei : antennas nigras ; articuli l us . basi 

 2 US . que apice fusci : abdomen scitissime sulcatum ; segmentum 

 l um . scabrum, obscurum : pedes obscure picei ; coxae nigrae ; 

 trochanteres rufo-picei ; tibiae piceae, apice basique rufae ; pro- 

 tibiae rufae, piceo cingulatae ; tarsi rufi, apice picei : alas albo- 

 limpidae ; squamulae obscure piceae. (Corp. long. lin. 1| — l£ ; 

 alar. lin. 1— If.) 



Far. /3. — Femora basi rufo-picea ; protibiae piceae, basi apice et 

 subtus rufae. 



July ; on grass in fields ; near London. Found in Ireland, 

 by Mr. Haliday. 



19. Fern. — Antennae subclavatae, capitis thoracisque longitudine ; 

 articulus 2 US . cyathiformis ; 3 US . minimus ; 4 US . 3°. approximatus ; 

 sequentes 5°. ad 9 um . gradatim latescentes ; 10 us . brevi-ovatus, 

 9°. paullo longior et latior : thorax brevi-ovatus : mesothoracis 

 parapsidum suturae conspicuae ; scutellum maxime convexum : 

 metathorax brevissimus : abdomen teliforme, thorace triplo longius ; 

 segmenta 1°. ad 3 um . sequentibus paullo longiora ; l um . brevissi- 

 mum ; 2 mn . fusiforme, thorace paullo longius ; 3 um . 2 j . dimidio 



a Many natural genera are probably comprised in Plattjgaster, but tbe genus 

 Epimeces, referred to above, is founded on error ; sexual characters are there 

 regarded as sectional, and vice versa. The observation on Plat, ruficornis is also 

 erroneous. 



