190 Tns. 
DIPTERA. 
Blepharocerid^. 
Blepharocera yosemite [-<ana], sp. n., Osten-Sacken, 1. c. p. 196, Yose- 
mite Valley, California. 
CULICIDJI. 
Culex annulatus, Schr., $ , fig. 1, with details of neuration, &c., in other 
genera ; V. d. W'llp* pk 
Corethra plumicornis. J. Dogiel, M4m. P4tersb. (7) xxiy. No. 10, 
pp. 37, 2 pis., discusses the anatomy and physiology of the heart of its 
larva, 
Aedesfuacus, sp. n., Osten-Sacken, 1 . o. p. 191, Massachusetts (meta- 
morphosis observed). 
PSYCHODID-®. 
Pericoma ocellariSy Meig., $ , fig. 15, with details of neuration, &c., in 
other genera; V. d. Wulp, 1. c. pi. ix. 
Pericoma magnicorniSj sp. n., id. 1. c. p. 319, Holland. 
Tipulid®. 
Cylindrotoma distinctisshna, Meig., pi. xi. fig. 7, Limnohia tri- 
punctata, F., ^ , pi. xii. fig. 7, Trichosticha maculata, Meig., $ , Gnopho- 
myia pilipes,¥., with neuration and details of other genera; V. d. 
Wulp, 1. c. pis. x.-xiii. 
Dimorphism in Tipula prcecisa, Lw. ; Osten-Sacken, 1. c. p. 209. 
Osten-Sacken, 1. c., discusses the following new genus and species : — 
Phyllolabis, p. 202. Limnophilina, with four posterior cells ; male 
genitals very large and club-shaped, like Tipula ; marginal cross-vein 
absent. P. claviger, p. 203, encausta, p. 204, California. 
Lininobia sciophila, p. 197, California. 
Elliptera clausa, p. 198, California. 
Erioptera dulcis, p. 198, bipartita, p. 199, California. 
Limnophila damula, p. 201, California. 
Trichoceira trichoptera, p. 204, California. 
Eriocera californica^ p. 204, California, brachycera (= E. spinosa, O.-S., 
$ ), p. 205, White Mountains. 
Pedicia obtusa, p. 205, California. 
Ptychoptera lenis, p. 206, California and Colorado. 
Protoplasta vipio, p. 208, San Francisco, 
Tipula beatula, p. 209, spernax, p. 210, California. 
Pachyrrhina altissima, p. 210, Rocky Mts., New Mexico. 
Stratio [to] myiid®. 
Beris vallata, Forst., $ , fig. 1, with neuration, &c., of other genera ; 
V. d. Wulp, Dipt. Need. i. pi. xiv. 
