46 TniniatfU'c Slmfes of AriopheUs in London 



Culex pipiens only; 10. ix. 1918, 2 liali-growii larvae, also A. maculi- 

 pennis. 



Richmond. (1) At 50-100 ft (a) a few larvae in one (middle) pond of 

 Pen Ponds in Richmond Park; absent in upper pond, though conditions 

 are similar; margins grassy; short rushes; (6) larvae fairly numerous in 

 a similar pond in park near Ham (Jate: (c) many pupae and a few larvae 

 in a little grass-bordered stream near Roehampton Gate. Obs. L. 

 Cobbett, 18. x. 1900 (B. Mus. Map, p. 16). 



3. Anopheles plumbeus, 8tcph. 



Epping Forest. In root-holes in trees. Obs. A. Bacot (B. Mus. Map, 

 p. 49). 



1. Anopheles sp. 



Mitcham Cotmnun. ( 1 ) 5 larvae, with Corelhru and Ch iroiwiii as larvae, 



•in sedgy pool behind monument on road between Mitcham and Croydon, 



26. ix. 1917; det. Prof. H. M. Lefroy. (2) 8 larvae from next pool in same 



place, X. 1917; subsequent weekly visits all through x. and xi. failed to 



produce any larvae. Obs. Miss L. E. Cheesman (B. Mus. Map, p. 57). 



Wimbledon Common. 3 larvae in a ditch bordering the high road, 

 15. ix. 1917; obs. Miss L. E. Cheesman (B. Mus. Map, p. 57). 



5. Culex pipiens, L. 



Golders Hill Park 2. ix. 1!)18 



Mitcham Common 26. viii. 1918 



Pcckham Rye Park iJ. viii. 19 IS 



Regent's Park 2. viii. 1918 



Richmond 28. v. 1918 



Southend, Catford 4. vi. 1918 



Stroatham Common, in Held ad- 

 joining the llookery ... ... 1. viii. 1918 



Sydenham Wells Park 12. vi. 191S 



Wimbledon Common 2(5. viii. 1918 



6. Theobaldia morsitans, Tlieo. 



Soulhcnd, Catt'oid 19. x. 1917- 



23. xi. 1917 

 White Foot Lane, Hither Green 29. iv. 1918 



Swarms of eggs, larvae, and pupae, 

 with those of A. macuUpennis 



Two larvae, with larvae of A. muculi- 

 pennis 



Eggs, larvae and pupae abundant, with 

 larvae of A. mnculipcnnii 



A few larvae in pond near Ham Gate 



Larvae and pupae 



One pupa 



\ few larvae and pupae in pond near 

 main road; larvae and pupae in pond 



near windmill 



Larvae numeidus, with tlu>.se of A. 



hif'iircatus 

 ^)\ui larva, with larva of O. dormlis 



