J 
\ 
548 ME. H. 1ST. RIDLEY ON THE 
55. Rhagovelia incerta, n. sp. 
Long. corp. 2| millim., lat. 1 millim. 
Blackish brown ; the orbits, front of prothorax, whitish, slightly 
tawny; abdomen with a whitish pile on the sides and less con- 
spicuous beneath ; base of antennae, femora above, and legs beneath 
tawny ; closed hemilytra whitish (or slightly tawny) at the base 
between the nervures, but with no other pale markings except 
the conspicuous long-oval white spot before the tip. 
A shorter and broader species than any at present represented 
in the British Museum ; hut with most general resemblance to 
Microvelia vagans, White. It is possibly a variety of the widely 
distributed and variable Vella collaris , Burm. 
On grasses in the lake. 
56. PsiLOPUS METALLTFER, Walk. 
Psilopus metallifer. Walk. List Dipt. B. M. iii. p. 647 (1849). 
Flying over Cucurbitaceae on the Peak. 
57. Temnocera vesiculosa (Fair.). 
Syrphus vesiculosus, Fabr. Syst. Anil. p. 226, n. 11 (1805). 
L 1 Wj? over herbage in the sun, and also taken on the flowers 
ut the cabbage in the garden. 
58. Sarcophaga calida, Wiedem. 
Sarcophaga calida, Wiedem. Aussereurop. zweijl. Ins. ii. p. 366, n. 24 
(1830) ; Walk. Ins. Saund. Dipt. p. 326 (1856). 
C0LE0PTERA. 
By Chas. 0. Waterhouse, F.E.S., 
Assistant in the Zoological Department, British Museum. 
The number of species obtained was 24. As might naturally 
be expected, many of them are Brazilian species or are species 
with a wide geographical range. One of the Heteromerous 
genera, which I have named JEsthetxis, is almost certainly 
indigenous. Perhaps the most interesting species is a Longieorn 
of the genus Acantlioderes. At first sight I took it to be a pale 
