Geotrupes. | LAMELLICORNIA. 45 
plain cross striation, and finely and diffusely punctured ; mesosternum 
without prominence; legs black, posterior tibiz with two transverse 
carine on their outer side. L. 10-16 mm. 
Male with the anterior tibiz furnished on their under-side with a 
central keel, which is serrate and tuberculate. 
In dung, rotting fungi, &c.; common and generally distributed throughout the 
kingdom. 
G. vernalis, L. Short oval, almost semiglobose, very shining, 
cyaneous with the margins strongly metallic, bluish or greenish; under- 
side closely punctured, clothed with blackish pubescence; antenne 
black; head rugose with an obsolete frontal tubercle; thorax closely and 
thickly punctured, the punctuation consisting of larger and smaller 
punctures ; scutellum with a few punctures at base; elytra with five 
rows of punctures, interstices with more or less distinct cross striation, 
sometimes almost smooth ; mesosternum with a sharp cariniform promi- 
nence; legs black, posterior tibiae with two carinz on their outer side; 
the sculpture of the thorax will at once distinguish the species. L. 
10-14 mm. 
Male with the posterior femora dentate and serrate underneath on 
their anterior margin, and with the central keel of the anterior tibie also 
serrate, the latter being furnished with an emarginate tooth at apex. 
In dung, decaying fungi, &c.; local, but widely distributed; London district, not 
uncommon, Greenwich, Plumstead, Esher, Coombe Wood, Belvedere, Wimbledon, &c. ; 
New Forest ; Devon; Llangollen; Swansea ; Barmouth ; Midland districts, generally 
distributed ; Carlisle; not recorded by Bold from the Northumberland and Durham 
district ; Scotland, rare, Highlands, Clyde, Tweed, Moray, Sutherland, and probably 
other districts; Ireland, near Dublin, Portrush, &e. 
G. pyrenzeus, Charp. (vernalis, Steph., nec L.; politus, Muls.). 
Closely allied to the preceding, of which it appears to have been con- 
sidered a variety by some authors; it is, however, very easily dis- 
tinguished by the following characters: form narrower in proportion to 
its length; upper surface more brilliant, smooth and shining; thorax 
impunctate or almost impunctate on dise and diffusely punctured at 
sides, with the posterior angles less rounded; abdomen impunetate and 
shining in middle beneath; male with the teeth on the under-side of the 
anterior tibie five or six instead of at least eight as in the preceding 
species. L. 10-14 mm. 
Sandy heaths; in dung; local; London district, not uncommon, Esher, Belve- 
dere, Wimbledon ; in the latter locality it occurs commonly in the spring and autumn 
on the common ; it is the G. vernalis of Stephens which he records from Ripley, 
Hertford, Epping, Croydon, Suffolk, New Forest and Devonshire, and as pleutitul 
on Wimbledon Common, 
TROGINA. 
This tribe contains one genus, 7’rox; another genus, Omorgus, was 
formed by Erichson to inelude certain of the larger species, but the 
characters were indefinite, and it has not been retained; the members 
