172 Mr. F. Walker on some undescribed Species 



as occurring at Bogota, the only district in which the species has 

 hitherto been found. The colour is bright rusty-red ; the elytra are 

 brassy-greenish-black, the outer margins and a narrower edge at 

 the base bordeiing the scutellum with two short imperfect fasciae 

 and a triangular marginal spot rusty-red ; the first fascia commences 

 at the margin, behind the shoulders, curves downwards, and termi- 

 nates about haKway to the suture ; the second arises about the 

 middle of the lateral margin and extends straight across without 

 reaching the suture ; the spot is on the margin, halfway between 

 the second fascia and the apex, and marks the place where the third 

 fascia originates in the typical examples. The rest is in accordance 

 with the description of Gerstaecker. 



XIV. — Characters of undescribed Species of the Family Chalcidae. 

 By F. Walkee, F.L.S. 



The following communication is the sequel of my remarks on the 

 characters and distribution of the Chalcidites, which I commenced in 

 the first Number of this Journal, by some notes on the Leucospidae. 



This part will contain descriptions of Chalcidae, and observations 

 on that family, which is usually placed next to the Leucospidae ; but 

 there is no connecting link between the two groups, and, as it will 

 afterwards appear, the Leucospidae are associated with the rest of 

 the Chalcidites by means of the Torymidae. 



The undescribed Chalcidae are numerous, and in the following 

 pages the characters of new species will precede the sketch of the 

 geographical distribution of the family. 



In these descriptions some of the generic names are retained, 

 others are set aside. As in other cases, the characters of recently- 

 discovered species of this family obliterate most of the distinctions 

 between many of the established genera, and then ensues the alter- 

 native of making many new genera or of uniting the old genera ; 

 and this fact is an illustration of the rule, that an increase of 

 knowledge modifies or changes, or does away with, all previous 

 knowledge. 



SiiiERA LUTEiPENNis. Fmii. LutsR, glabra, nitens; caput et thorax 

 subpunctata ; vertex niger ; antennae ferruginese, graciles, tiliformes ; 

 scutum disco piceo ; scutellum inerme ; petiolus breiis ; abdomen fusi- 

 forme, acuminatum, fen-ugineo fasciatum ; pedes anteriores uigro vit- 

 tati ; coxae extus piceo subtus nigi-o vittatae ; femora postica subdentata, 

 striga basali lata nigra ; alse limpidae, apice cinereae. 



