Manchester Memoirs, Vol. xlviii. (1904), No. 23. 21 



of Mischocythurus sinithii de Saussure, but it is impossible 

 to tell because of the wings being deformed. M. smithii 

 ranges from the Brazils southwards to Patagonia." 



Moseley {loc. cit.) mentions finding some dipterous 

 insects near Darwin harbour during the visit of the 

 " Challenger " to these islands. These insects were .... 

 " a species of fly (Muscidse) and a species of gnat 



Tipulidse. The fly has small rudimentary wings 



The gnats which I found also cannot fly, having even 

 smaller rudiments of wings than the flies." I found a 

 dipterous insect in abundance amid some sand-hills near 

 Hookers Point, Stanley, towards the end of February. 

 The wind was blowing the sand along in clouds, and 

 partially burying these flies as they were being swept 

 hither and thither by the blasts. Fly they could not. 

 They have been identified by another specialist at the 

 British Museum as belonging to the genus Melanostoma, 

 but the species is quite uncertain. 



A few specimens of Liinnophilus were also captured 

 on another occasion near this spot, but the species is also 

 uncertain. 



Lepidoptera. 



The only recorded list of Lepidoptera captured on the 

 Falkland Archipelago was made by Dr. W. F. Dale at 

 Darwin, but the date when the insects were caught is not 

 stated.* During my visit to these islands I was always 

 on the look out for insects of all descriptions ; and I was 

 able to cover a large area of ground in my rambles, I 

 think the following list of captures made from November 

 to March, may be considered a fairly representative one. 



Soon after my arrival at Roy Cove I was delighted to 

 notice, one fine morning, in a sheltered corner of the 



*Ann. Mag. Nat. Hist., ser. 6, vol. 12, p. 207, 1893. 



