294 
Psyche 
[September 
often different in both wings; in one case the cell being 
closed at the margin in the left wing and very short-petio- 
late in the right ; at the base this cell may either touch the 
fifth posterior cell or be removed some distance above it. 
The fourth posterior cell is either stalked at the base, or 
sessile, or narrowly connected with the second basal cell. 
The anal cell is as a rule open on the hind margin; but in 
one male from the Huachuca Mountains, Arizona, it is dis- 
tinctly closed. I may also add that in a letter, dated Novem- 
ber 2, 1929, Professor Cockerell has expressed doubts as to 
the validity of his R. subnitens. He now thinks it may have 
been only a variation. 
Neorhynchocephalus sulphureus (Wiedemann) 
Nemestrina sulphured Wiedemann, 1830, “Aussereurop. 
Zweifl. Insekt.,” II, p. 631 (no sex given; Minas Geraes, 
Brazil). Hunter, 1901, Trans. Amer. Ent. Soc., XXVII, 
p. 149. 
Nemestrinus sulphureus Kertesz, 1909, “Cat. Dipt.,” IV, p. 
25. 
Neorhynchocephalus sulphureus Lichtwardt, 1910, Deutsch. 
Ent. Zeitschr., p. 594 ( $ $ ) . 
Specimens Examined. — Two females from northern Ar- 
gentina: Mistol Paso near Icano, Chaco de Santiago del 
Estero (E. R. Wagner — Paris Museum). 
Lichtwardt saw Wiedemann’s types in the Vienna 
Museum and he says that they are male and female. He 
also studied three specimens of which he does not give the 
sex and the locality, in the Berlin Museum, and a female 
from Asuncion, Paraguay, in the Budapest Museum. 
The two specimens from Argentina, though otherwise 
very similar, differ considerably in size ; in one the wing is 
8 mm. long; in the other 11 mm. The fourth posterior cell 
is short-stalked at the base in the larger one and very long- 
stalked in the smaller one. 
N eorhy nchocephalus vi t ripennis ( Wiedemann ) 
Nemestrina vitripennis Wiedemann, 1830, “Aussereurop. 
Zweifl. Insekt.,” II, p. 631 ( 9 ; Brazil). 
