104 Proceedings of the Royal Physical Society. — 
249. DonistHoReE, H.: #inigmatias blattoides, Meinert, captured in Scotland. 
Ent. Record, xxv. p. 277 (1913). 
250. DonistHorPE, H.: Some Notes on the genus Platyphora, Verrall, and 
Ainigmatias, Meinert, and a Species new to Britain. Lnt. Record, 
XXV1. pp. 276-278 (1914). 
CEsSTRID# (Bot-Flies, Warble-Flies). 
The most important memoirs dealing with the Flies of. this Family are 3 
given below. ‘There has been no recent general account of the group published 
in Britain, and the works of Walker (4) and Wingate (8) afford the principal 
means of identification. 
The older papers are of considerable interest, and are as follows :— 
251. Clark, Bracy: Observations on the genus Wstrus. Trans. Linn. Soc. 
Lond., iii. pp. 289-329 (1797). 
252. Leacn, W. E.: On the Arrangement of (Estrideous Insects. Jem. 
Wernerian Nat. Hist. Soc., i. pp. 567-568 (1818). 
203. MacLeay, W.S.: On the Insect called Oistvos by the ancient Greeks 
and Asilus by the Romans. TZ'rans. Linn. Soc. Lond., xiv. pp. 303-359 
(1825). Abstract in Philos. Mag., |xv. pp. 43-47 (1825). 
254. CLARK, Bracy: Of the Insect called Ozstros by the Ancients, and of the 
true species intended by them under this appellation. Trans. Linn. 
Soc. Lond., xv. pp. 402-411 (1827). Abstract in Philos. Mag., 1 
pp. 283-289 (1828). 
255. MacLeay, W.S.: On the (Estrus of Mr Bracy Clark. Zool. Journ., v. 
pp. 18-25 (1829). 
2056. MacLray, W.S.: Note on Oestrus. Zool. Journ., v. p. 276 (1830). 
257. HiLL, ——: Account of the Larva of a supposed Oestrus hominis or 
Gad-fly, which deposits its eggs in the bodies of the human species. 
Edinb. New Philos. Journ., viii. pp. 284-288 (1830). 
258. CLARK, Bracy: Supplement to a Treatise on the Wstri and Cuterebre 
of various Animals. Proc. Linn. Soc. Lond., i., No. xii., p. 100 (1841). 
Appendix to a Treatise, ete. Zvrans. Linn. Soc. Lond., xix. pp. 81-94 
(1845). 
259. SELLS, W.: Observations on the CEstride. Trans. Ent. Soe. Lond., 1i1., 
Part 2, pp. 72-78 (1842). 
260. Clark, Bracy: Note on Cstrus equi, the Bot of Horses. Hntomol. Mag., 
Vv. pp. 336-338 (1838). 
Recent Memovrs on HYPODERMA.. 
261. Ormerop, E. A.: Observations on Warble-fly or Ox-bot-fly. Appendix 
