398 Mr. F. Smith's descriptions 



This insect very closely resembles a species from Amoor 

 in Siberia, but must be considered distinct, the latter hav- 

 ing the thorax more elongate before the wdngs ; it has also 

 a deep longitudinal channel on the first segment, and it 

 has also two or three joints of the antennae towards their 

 apex, white. 



Fam. BRACONID^. 

 Genus Agathis, Latr. 

 1. Agathis atricornis. 



Female. — Length 3^^ lines. Rufous : the antennge and 

 the vertex black ; the head deeply concave behind the 

 ocelli. Thorax : the mcsothorax Avith a central and two 

 oblique longitudinal channels; the metathorax with six 

 longitudinal carinte ; the spaces between them are trans- 

 versely carinate ; the tips of the posterior tibia3, the tarsi 

 above, and the valves of the OAdpositor, black ; the wings 

 fuscous ; the space between the apex of the extemo-medial 

 cell, and that of the marginal cell of the anterior wings, 

 dark fuscous ; this is crossed by a hyaline fascia at the 

 base of the stigma, it also passes a short way across the 

 posterior wings ; , the base of the anterior wings sub- 

 hyaline, and a small hyaline spot at the apex of the 

 marginal cell. 



Fam. CHRYSIDID^. 

 Genus Stilbum, Spin. 

 1. Stilbum amethy stina. 



Clwysis amethystina, Fabr. Syst. Ent. 539 ; Ent. Syst. 



ii. 243; Syst. Piez. 176. 

 Stilbum splendidum, Dalilb. Hym. Europ. ii. 358 (nee 



Fabr.). 

 Hob. — Hiogo. 



All authors who have quoted the aS*. splendidum of 

 Fabricius have mistaken his species, although, in his first 

 description, he commences, " Magna. Caput viride, &c.," 

 a term he does not apply to any other species. It is true 

 that he quotes Malabar as one of the localities, but that is 

 e\adently an error, since he adds, " In nova HoUandia, 

 Mus. Dom. Banks;" and the description applies to the 



