Studies on Tipulidae II. 177 
at base, knob brown; legs brown, base of femora and trochanters 
paler. Wings hyaline ‚rather narrow; stigma pale brownish, filling out 
the marginal cell, except at both ends; apex of the wing slightly clouded 
with brown; crossvein at the tip of the first loneitudinal vein in one 
line with that tip; praefurca nearly of the same length as the first 
section of the third vein; great crossvein anterior to the discal cell, 
the distance being but little shorter than its own lensth; the stout 
erossvein at the proximal end of the basal cells is not far from the 
middle of the distance between the root of the wing and the tip of 
the first longitudinal vein. 
Hab. Brazil. Two males. (Vienna Museum; Coll. v. Winthem). 
The specimens being old and faded, I have described the colo- 
ring of the body in general terms only; I am not sure whether 
the pale brown, or tawny tints which I perceive on some parts of 
the thorax, especially on and around the scutellum, exist in fresh 
speceimens. 
4. P. Schineri n. sp. &9. Thorax yellowish-red, shining; 
discal cell closed; proximal end of the submarginal cell on the same 
line with that of the first posterior. Long. corp. 5 mm. 
Head, antennae and rostrum brown; thorax shining, yellowish- 
ferruginous, with a black stripe in front; abdomen yellowish-brown, 
dark-brown towards the tip; halteres with dark-brown knobs. Legs 
brownish-yellow, tips of femora darker; tarsi brownish. Wings slightly 
tinged with yellowish, which becomes more intense in the region of 
the stigma; apex slightly elouded with brownish; crossveins near 
the root of the wing, as well as those in the middle, clouded with 
brown. A short stump of a vein on the curvature of the tip of the 
first vein; the marginal crossvein immediately behind it; first basal 
cell unusually broad; proximal ends of the submarginal, first poste- 
rior and discal cells nearly in a line. 
Hab. Brasil (Sello; Berl. Mus.), three &, one ©. Ialso refer 
here a male in the Museum in Vienna (Coll. v. Winthem). 
Limnobia. 
Meigen, Syst. Beschr. ete. Vol. I; 1818; O. Sacken, Monogr. etc. 
IV, p. 84. 
Limonia Meig. Nliger’s Mag. 1303. (Rejected by Meigen himself.) 
Ex parte: Limnomyza Rondani, Prod. Vol. I, 1856. 
The sexual differentiation of the structure of the last tarsal joint is 
less marked here than in Dieranomyia. It seems to be variable in 
different species; I do not perceive it in guadrinotata M.;, there is 
a trace of it in Zripunctata; it is rather distinet in nigropunctata. 
