106 THE ENTOMOLOGIST. 



much paler ; ventral area dull greyish-yellow with some pale 

 greyish blotches on segments five to seven ; spiracles duUish- 

 yellow ; hooks of anal appendage reddish-brown. On two of the 

 four pup8e I had the mandibles were conspicuously black and 

 shining. 



On April 16th, 1907, the eyes turned pink and wing cases 

 darkened a little. On April 17th, eyes became dark purplish- 

 grey, and wing cases darker and of a brownish hue. On April 

 18t*h, the bodies went dark, and the whole pupa became dusky 

 purplish-grey. On April 21st, three imagines emerged between 

 12.80 and 1.15 p.m. I first noticed one male fully emerged and 

 drying his wings, which were not quite fully developed. About 

 fifteen minutes later I saw another partly emerged and watched 

 its completion ; this proved to be a male also. At 1.15 p.m. my 

 last pupa, which I had been constantly watching with a power- 

 ful lens for about half-an-hour, I saw burst first the dorsal line 

 down second thoracic plate ; then transversely the division 

 between first and second thoracic plates, and finally the complete 

 emergence. This proved to be a female. One pupa died, the 

 first I had obtained on March 20.th. It will therefore be seen that 

 the dates of pupation of the three others were March 23rd (two) 

 and March 24th (one), but they all emerged on the same date, 

 namely, April 21st, 1907, between 12.30 and 1.15 p.m. I 

 therefore have had the gratification of rearing, and recording 

 the complete metamorphosis of, this very local insect. 



Lamorna, Truro, Cornwall : March, 1908. 



NOTES ON SOME TEANSVAAL MOSQUITOES, INCLUDING 

 TWO NEW SPECIES AND A NEW VAKIETY. 



By Fred. V. Theobald, M.A. 



A LARGE consignment of mosquitoes from the Transvaal, 

 collected by the late Government entomologist, Mr. Simpson, 

 whose untimely death has been so felt and regretted by all in 

 South Africa, has been recently examined, and has proved of 

 considerable interest. Firstly, because two new species were 

 found in it which are described here ; secondly, because the 

 rare Etiorleptiomyia mediolineata , Theob., described from a single 

 specimen from the Sudan, occurs in it ; and, thirdly, the 

 enormous variation in size shown in some of the common Vaal 

 species. Three particularly need notice in connection with the 

 latter, namely, Culex tigripes, Grandpre, C. simpsoni, Theob., 

 and C. dissimilis, Theob. The first vary in size from 6*8 to 5 mm., 

 the second from 8 to 4 mm., the latter from 5'5 to 4 mm. The 

 last-named insect is of particular interest, for, as far as I can see 



