494 Dr. H. A. Baylis on 
Hind wing yellowish buff, semivitreous on disc, a broken 
submarginal dusky line. 
$ (ab. sordida). Black sealing much intensified, almost 
swamping entirely the ground-colour ; hind wings suffused 
entirely with grey. 
@. Similar to ¢, but deeper golden-buff ground-colour 
and varying much in extent of black scaling; @ (ab. sor- 
dida) entirely dark brown, nervures blackish. 
Length of fore wing, 3 16-17, 2 20-22 mm. ; expanse, 
3 uae ve aaa 52 mm. 
ee ae 89 ? (1 6,1 2, ab. sordida) bred, ‘ Junin, Andes 
of pert: Te fists 
33. Palustra postflavida, sp. 0. 
?. Antenne dark brown; head and thorax brown 
sprinkled with yellowish hairs; abdomen above blackish 
brown with golden-yellow rings, basal segments with long 
brown hairs, anal tuft buffy-orange. 
Fore wing umber-brown, very sparsely sprinkled with 
paler scales, two postmedian darker brown shadow bands, an 
arrow-shaped black discocellular stigma. 
Hind wings with only one postdiscal darker band. 
Length of fore wing 25 mm.; expanse 57 mm. 
? bred, Junin, Andes of Peru, 14,000 ft.” (pupa rufous- 
brown, broad, and truncate). 
LVII.—WNotes on some Parasitic Nematodes. 
By HA. GA yrs. MeAc Doe: 
(Published by permission of the Trustees of the British Museum.) 
I.—On THE GENUS Wezrcomuza, SAMBON, AND A NEW 
SPECIES OF THAT GENUS. 
Wellcomia samboni, sp. n. 
Host: hairy porcupine ( Coendouw [Sphingurus] villosus) *. 
Position: intestine. 
Locality: Paraguay. [The animal had been in captivity 
in the Zoological Society’s Gardens, London, for thirteen 
months. | 
The material upon which this note is based was collected 
* More correctly C. cou’y, Desm. 
