NATURAL HISTORY. 
Megachile centuneularis. 
Ceelioxys conica. 
Nomada flava. 
Eucera longicornis. 
Bombus ruppestris. Holcombe, 
harrisella. 
Apis banksiana. 
ORDER. DIPTERA.—FLIES. 
Stratiomys chameleon. (Samouelle Intr, t. 12, 
Jf. 4.) Dawlish warren. 
Odontomyia viridula. 
Nemottelus xylota. 
Sargus politus. Marshes at Kingsteignton. 
Tabanus bovinus. 
Volucella bombylans. Bradley woods, 
inanis. Ditto, 
Empis pomorum. 
Anthrax circumdata. Dawlsh warren, 
Bombylius major. 
medius, 
— minor. Bradley woods, 
Sericomyia arcuatuin, 
lapponum. Bogs of Dartmoor. 
Myopa dorsalis. 
picta. 
Musca grossa, 
Atherix maculata. 
Helcomyza ustulata, Dawlish warren. (Figured 
by Curtis, pl. 6.) In September. 
