OCCURRING ABOUT HOLYWOOD. 173 



Head shaped as in the genus Ther'ina, the face being concave, and 

 the margin of the mouth sharply projecting ; but the front and 

 mouth are naked : head yellow, front more orange, triangle of the 

 vertex very large, not touching the eyes, in front with a produced 

 point almost reaching to the antennae : disk of the thorax, scutel, 

 and abdomen above greenish black not shining : the breast has two 

 large black spots, and above these a chain of smaller ones running 

 from the neck to the base of the hind coxae : legs yellow, mottled 

 with ferruginous : the thighs generally with an oblong spot, blacker 

 in the fore pair ; a faint ring round the hind shanks, and the tips 

 of the feet dusky : poisers milk-white : wings hyaline with blackish 

 nervures. (To division A.) 



C. fulvifrons. Nigra, nitida, pubescetis, fronte et atitennis 

 Jerrugineis, tibiis tarsisque fuscis. (Long. .1.) 



(To division A.) Size of C. maura : face a little impressed : triangle 

 of the vertex extending to the middle of the front, black behind, 

 in front passing into ferruginous : seta of antennae pale, the base 

 dusky : wings obscure hyaline, nervures yellowish brown, colour- 

 less towards the tip : poisers milk-white. 



C. agnata. Nigra, nitida, antennis pectore pedibusque ferrn- 

 gineis fitsco-variis, scutello jlavo. (Long. .12.) 



Resembles C. Cereris, is smaller : the hypopygium is not inflated nor 

 ferruginous : the base of all the thighs and a band round the 

 liind shanks black, fore shanks at the tip, fore feet entirely, and the 

 end of the rest dusky : the breast is more spotted and the front 

 darker : the antennas dusky at the tip. (To division A.) 



Agromyza flavo-notata. Nigra, scutello jlavo. 



(To division C. a.) Perhaps a variety of A. scutellata. 



Leucopis obscura. Canescens, thorace immaculato, antennis 

 pedibusque nigris, metaf arsis posticis litteis. (Long. .08.) 



Half the size of L. 'puncticornis, colour dark grey : poisers cream- 

 colour : on the vertex are a few bristles. 



Notiphila madizans. Fall. ? Obscure cenea, abdomine opaco 

 piano, antennis basi femoribus anticis pedibusque poste- 

 rioribusferrugineis. (Long. .11; dilat. .18.) 



Abdomen oblong and flattened, rugulose, first segment very short, 

 almost concealed, 4th large, 5th minute : wings not longer than 

 the abdomen, obscure, with the transverse nervure dusky : face 

 whitish : fore shanks and feet black. 

 Not uncommon on grass. 



