NEW GENERA OF CHALCIDIDyE. 435 falvse, tarsi apice fusci : alas limpidas ; proalis discus plus minusve fuscus ; nervi costales fusci, subcostales flavi ; stigma piceum. (Corp. long. lin. 1— 2i ; alar. lin. U — 2|.) Far. j3. — Mas, protibiae basi fuscae ; meso-et metatibiae piceag : proalae omnino fuscae ; metalae apice subfuscae. Far. y. — Mas, Far. /J similis ; antennae fulvae, apice supra fuscae. Far. B. — Mas, proalae fere omnino limpidae ; nervi costales flavi, ramulus fulvus. Far. £. — Fern, antennee basi omnino fulvae. Far. ^. — Fern, protibiae basi fuscos ; meso-et metatibiae piceae. Far. rj. — Fern. Far. a similis : mesotibiae fulvae ; metatibiae piceo-fulvae ; tarsi flavi, apice fusci. Far. 6. — Fern, antennae fulvae, basi pallidiores, apice supra fuscae : propedes flavi, femora basi supra fusco-vittata ; meso-et metapedes fulvi, coxae et femora picea illae apice fulvae, tarsi apice fusci, metatibiae fusco-cinctae : proalis nervi costales flavi. June to September ; England and Scotland. Found in Ireland by Mr. Haliday, and near Paris by the Comte de Castelneau. Art. LIV. — Descriptions of two new Genera belonging to the family Chalcididce. By J. O. Westwood, F. L. S. &c. The family ChalcididcB, independent of the great beauty of many of its species, and the singularity of the economy of the whole, possesses additional claims to the attention of the Entomologist on two other grounds. 1st, No family presents more numerous instances of anomalous structure in the different organs ; and, 2d, The series of affinity amongst the different sub-families is so complicated, that it would require far more philosophical views of the nature of the relations of animals than we at present possess, to account for so many of, what may be termed, cross-affinities. The two insects de-scribed below exemplify both these peculiarities of this family
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