1947] 
N emestrinidce 
205 
FOSSIL SPECIES 
Subfamily Hirmoneurin^ 
Hirmoneura Meigen 
occultator Cockerell. See Neorhynchocephalus. 
melanderi Cockerell. See Neorhynchocephalus (?). 
vulcanicus Cockerell. See Neorhynchocephalus. 
Subgenus Hirmoneurites Cockerell 
Hirmoneurites Cockerell, 1910, Bull. Amer. Mus. Nat. 
Hist., XXVIII, pp. 283 and 285 (monotypic for 
Hirmoneurites willistoni Cockerell, 1910). 
1. H. ( Hirmoneurites ) willistoni (Cockerell). 
Hirmoneurites willistoni Cockerell, 1910, Bull. 
Amer. Mus. Nat. Hist., XXVIII, pp. 283 and 286, 
tig. 3 (on p. 283) (no sex given; holotype: Floris- 
sant, Colorado. — A.M.N.H.). 
Hirmoneura ( Hirmoneurites ) willistoni Bequaert, 
1932, Zoolog. Anzeiger, C, p. 15. Bequaert and 
Carpenter, 1936, Jl. of Paleontology, X, p. 399, 
tigs. 2 (on p. 400) and 7 (2) (on p. 405) (holo- 
type?). 
Distr. : Miocene of Colo. 
Subfamily Nemestrinin^ 
Neorhynchocephalus Lichtwardt 
1. N. occultator (Cockerell). 
Hirmoneura occultator Cockerell, 1908, Trans. 
Amer. Ent. Soc., XXXIV, p. 254 (no sex given; 
holotype: Florissant, Colorado. — Obverse at U. 
Colo. Mus. ; reverse at Brit. Mus.). Bather, 1909, 
Proc. Geologists’ Assoc., XXI, pt. 3, p. 162 (type 
at Brit. Mus.). Cockerell, 1910, Bull. Amer. Mus. 
Nat. Hist., XXVIII, p. 286. 
Neorhynchocephalus occultator Bequaert and Car- 
penter, 1936, Jl. of Paleontology, X, pp. 399 and 
402, tigs. 4 (on p. 400) and 7 (1) (on p. 405) 
(obverse of type ?). 
Distr. : Miocene of Colo. 
