Entomology of China, &c. 9 
concolor, abdomine valde deflexo, tumido; pedibus piceis, 
tarsis pallidioribus. 
The species of Holotricha of Kirby abound in the East Indies, 
I possess about twenty species from the British Presidencies, and 
know of at least the same number in our metropolitan collections. 
Sp. 11. Serica Sinica, Hope. 
Atro-plumbea, clypeo integro, antice punctulato, postice glabro. 
Long. lin. 4, lat. lin. 23. 
Thorax marginibus parum elevatis. Elytra plumbea, seu atro- 
pruinosa, lineolata, lineis haud distinctis. Corpus infra 
atro-piceum, femoribus pallidioribus et compressis, tibiis tar- 
sisque piceis. 
The metropolis of Serica is the East Indies; the numerous 
species from those parts of the world which are undescribed are 
considerable; more than twenty, from different localities, in my 
collection, are yet undescribed. 
ELATERIDE. 
Acrypnus, Eschcholtz. 
Sp. 12. Agrypnus orientalis, Hope. 
Affinis 4. ccenoso Hope, at major. 
Long. lin. 9, lat. lin. 3. 
Fuscus, flavisque capillis aspersus. Clypeus integer, auricomus. 
Thorax angulis anticis obtusis, disco in medio 2-tuberculato, 
Elytra striata, flavisque minutis capillis irrorata. Corpus 
infra concolor, antennis aurantiis pedibusque rubro-piceis. 
Luoivs, Latreille. 
Sp. 13. Ludius crocopus, Hope. 
Fuscus, antennis concoloribus. 
Long. lin. 7, lat. lin. 2. 
Thorax angulis posticis valde acutis, tomentosus. Elytra 
striata, striis sub lente parum punctatis. Corpus infra 
fuscum, pedibus croceis. 
Sp. 14. Ludius luterpes, Hope. 
Affinis Z. umbracole Eschscholtz, at minor. 
Long. lin. 54, lat. lin. 13. 
Niger, antennis flavescentibus. Thorax albo-tomentosus. Elytra 
striato-punctata, nigricantia. Corpus infra concolor, pedibus 
flavo-testaceis. 
