bis. 297 
(d.) biptera. 
[Cf. Aloi (5), Becher (38), Beling (43, 44), Bigot (53), Coquillett 
(126, 127, 128), Costa (131, 132), Dziedzicki (158), Gercke (242), Girschner 
(245), Inchbald & Meade (322), Karsch (335, 336, 339, 340), Kieffer (349), 
Meinert (433, 435), Mik (446, 447, 448, 449, 450), Moller (461),.Neuhaus 
(480), Osten-Sacken (247, 507, 508), Pokorny (530), Roder (615, 616), 
Sahlberg (625), Sasaki (630), Schnabl (638), Schoyen (643), Targioni- 
Tozzetti (694), Trail (703), Yerrall (713, 714), Yogler(717), Weny (730), 
Weyenbergh (734), Williston (741, 742, 743).] 
Wing-neuratiou ; Redtenbacher (581), pp. 204-209, pis. xvii pt. , xviii 
pt. Structure of eye ; Ciaccio (123). Salivary-glands; Kniippel (356). 
Blood tissues ; Wielowiejski, (736) pp. 513-523. Spermatozoa ; Gilson 
(243). Formation of egg ; Korschelt, (369) pp. 574-580 ; Stuhlmann 
(690). Embryology (of Muscidce) ; Kowalevsky (371). Condition of the 
heart during metamorphosis ; id. (372). Fossil ; Omboni (506). 
Eine dipterologische Notiz, Mik., Ent. Nachr. xii, pp. 31 5 & 316, relates 
to pairing botweon immature Diptera, so that a false idea of Partheno- 
genesis might be formed. 
An unknown, presumed Dipterous, larva parasitic on Julus fallax ; 
Haase, Zool. Beitr. 1885, pp. 252-255, pi. xxxi (cf. Wien. ent. Z. 
v, p. 31). 
Eggs of an unknown Dipterous insect described and figured ; Laboul., 
Ann. Soc. Ent. Fr. (6) vi, p. 285, pi. iv, figs. 1, 2, & 3. 
Dziedzicki (Einige Worte fiber die Preparation des Hypopygiums der 
Dipteren, Wien. Ent. Z. v, pp. 25-27) recommends a process for sepa- 
rating the hypopygium and preparing it for examination by caustic 
potash. 
Cecidomyiid^. 
Cecidomyiidce : a single Central American species recorded ; Ost.-Sack., 
Biol. Centr. Am. Dipt. p. 1 . 
Lasioptera populnea described at length, p. 308 ; its galls on Populus 
alba figured, pi. v ; Wachtl., Wieu. ent. Z. v. 
Cccidomyiai-g alls ; Camoron (109). 
Cecidomyia larvae, and Oryptogamia ; Thomas (697). 
Cecidomyia liriodendri , galls of ; Hagen, Canad. Ent. xviii, p. 159. C. 
cenephila , the galls of ; Thomas, Ent. Nachr. xii, pp. 129-135, 199 & 200. 
C. taxi, Inchb., literature of, noticed ; Low, Yerh. z.-b. Wien, xxxvi, 
pp. 100-102 : reference to figure of galls of ; Wien. ent. Z. v, p. 61. C. 
clausilia, Bouch6, imago described ; Ent. xix, p. 224. C. destructor, Say, 
