264 Ins. 
D I PTE II A. 
BLIPHAROCJIRIDJi:. 
Hammatorhina bella , Lw., problematic larva noticed ; GUiian, P. E. 
Soc. 1891, p. ii. 
CtJLICIMI, ChIRONOMIDTE. 
Monograph of the Argentine Culicidce , with general discussion on and 
anatomy; Arribalzaga (15). 
Chironomus : nature of food of larva discussed ; Levi-Morenos (527). 
* HeteronycJia , n. g., p. 155, for II. dolosa , n. sp., Buenos Ayres, p. 15G ; 
Arribalzaga, Rev. Mus. la Plata, ii. 
J Janthinosoma, n. g., p. 152, for Culex discrucians , Wlk. (figured, pi. iv, 
fig. 6), and including J. (P) oblita , n. sp., Buenos Ayres, p. 154 ; Arribal- 
zaga, Rev. Mus. la Plata, ii. 
Megarhina separata , Chaco, Arribalzaga, Rev. Mus. la Plata, ii, p. 133, 
n. sp. 
Psorophora holmbergii , Chaco, Arribalzaga, Rev. Mus. la Plata, ii, 
p. 142, n. sp. 
J Ochlerotatus, n. g., p. 143, for 0. covifirmatus , n. sp., Buenos Ayres, 
p. 146, and including Culex albifasciatus, Macq. ; Arribalzaga, Rev. Mus. 
la Plata, ii. 
* Tamiorhynchus , n. g., p. 147, for Culex tceniorhynchus , Wied., and T. 
confinnis (sic), Chaco, p. 149, fasciolatus, Buenos Ayres, p. 150, n. spp. ; 
Arribalzaga, Rev. Mus. la Plata, ii. 
* Uranotaznia, n. g., p. 163, for U. natalice, p. 164, pulcherrima, p. 165, 
pi. iv, fig. 4, n. spp., Buenos Ayres ; Arribalzaga, Rov. Mus. la 
Plata, ii. 
Culex sp., life-history ; Hurst (430). C. pipiens , larva as an internal 
parasite ; Blanchard, p. 42, Monit. Zool. Ital. ii, and Bull. Soc. Z. Pr. 
xvi, p. 72. 
PSYCHODIDJU. 
Pericoma fusca, Macq., is $ of P. calceata ; Eaton, p. xxv, P. E. Soc. 
1891. 
TiruLiDiE and Rhyphid2e. 
Ptychopteridce : systematic position noticed ; Brauer, p. 37, Verh. z.-b. 
Wien, xli. 
Rhyphus polytceniatus } W. Africa, Bigot, p. 366, Ann'. Soc. Ent. Fr. 
1891, n. sp. 
Xylophaoid^e. 
Subula varicolor ) Canary Is., Bigot, p. 276, Bull. Soc. Z. Fr. xvi, 
n. sp. 
