246 Ins. 
DIPTERA. 
Dolichopodid.®. 
Oymnopternus chalybeuSf Wiod., recorded as new to Britain ; Verrall, 
Ent. M. M. xviii. pp. 149 & 160. 
Fsilopus flavicorniSf Wiod., redoscribod ; Van der Wulp, Midden- 
Sumatra, Dipt. p. 27. 
Diaphorus gredleri^ sp. n., Mik, Verb. z.-b. Wien, xxxi. p. 35 6, Botzen. 
Fsilopus patellatus, sp. n., Van der Wulp, Midden-Sumatra, Dipt, 
p. 27, Sumatra. 
Syrphidj;. 
Notes on some Italian Syrphidce ; Fiori, Bull. Ent. Ital. Resoconti, 
1881, pp. 19 & 20. 
Didea ellenziederi, Dolesch., Syrphus /ascipennis^ Macq., and S. infirmus, 
Rond., = S. cegrotus (Fabr.), Wied. ; Didea macquarti, Dolesch., = ? ^S. 
salvice (Fabr.), Wied.; Syrphus alternans^ Macq., and ? triligatus, Walk., 
= nectarinus^ Wied.; Axona volucelloides, Walk., and Eristalis maxima^ 
Dolesch., = E. chalcopygus^ Wied.; E. cupreo-fasciatus,Y. d. W., = metallic 
cus, Dol., = splendens, Le Guillou ; E. Jlavo-fasciatus, Macq., = zonalis 
(Fabr.), Wied. ; E. var(pes, Macq., macquartiy Dolesch., and amphicrateSy 
Walk., = eirans (Fabr.), Wiod.: Osten-Sacken, Ann. Mus. Genov, xvi. 
pp. 437-441. 
Helophilus bengalensisy Wied., Megaspis zonalisy Fabr. (= Jlavo-fasciatus, 
Macq.), erranSy Fabr. (= varipes, Macq., and macquartiy Dol.), Eristalis 
arvorum, Fabr., Syrphus cegrotuSy Fabr. (= fascipennisy Macq.), salviccy 
Fabr. (= ericetorumy Fabr., inmwraZis, Macq., and Didea macquarti, Dol.), 
confrater and javana, Wied., and balteatuSy De Geer (= alternatay 
Schrank, nectareuSy Fabr., nectarinuSy Wied., and alternanSy Macq.), and 
javanusy Wied., noticed ; Vander Wulp, Midden-Sumatra, Dipt. pp. 30-33. 
Volucella obesay Fabr., figured by Waterhouse ; Aid, i. pi. xxxi. 
Sericomyia borealis singing while at rest ; Bloomfield, Ent. M. M. 
xviii. pp. 159 & 160. Observed in Sussex, id. 1. c. p. 200. 
Eristalis tenax widely distributed in North America ; Williston, Canad. 
Ent. xiii. p. 176. 
Scceva peltata hermaphrodite; Malm, Ent. Tidskr. ii. pp. 5 & 36. 
Solenaspis, g. n., Osten-Sacken, Ann. Mus. Genov, xvi. p. 442. Allied 
to Eristalis and Fteroptila ; type, S. beccariiy sp. n., 1. c., p. 443, New 
Guinea. 
Microdon sumatranus and apicalis, spp. nn.. Van der Wulp, Midden- 
Sumatra, Dipt. p. 29, pi. ii. figs. 1 & 2, Sumatra. 
Syrphus striatusy sp. n., id. 1. c. p. 32, pi. ii. fig. 3, Sumatra. 
Graptomyza lineatay sp. u., Osten-Sacken, 1. c. p. 439, Teruate. 
(EsTRIDiE. 
Oestrus. Larvae infesting mice and other small mammals from Peru ; 
Waterhouse, P. E. Soc. 1881, pp. xxii. & xxiii. 
