OF GENERA 
Zonosema Loew. Europ. Bohrfliegen. 
( = Zonosoma Marsch. Nomen.) 1862. 
Dipt., Muse., Tryp. Verrall. 
Zonozema Rondani. ( = Zonosema 
Loew, 1862.) 1874. Dipt., Muse., 
Tryp. Verrall. 
Zoolitliodendroides Ritter. Ech. 
Z o op hag a e (Bonaparte) Heckel. In 
Russ. Reisen. f uov , vivurn; <paybg, 
edens. 1843. Pisces, Cyprin. Agas- 
siz. 
Zophendum Jordan. Bull. U. S. Geol. 
Surv. Terr., iv, p. 786. fytyog] evdov. 
1878. Pisces, Teleoc. Jordan , Cones. 
Zopherocoris Reuter. Ofv. Yet. Akad. 
Forh., p. 565. epog , obscurus; 6 
ftoptg, cimex. 1871. Hem., Cimic. 
Renter. 
Zophoessa Dallas. Brit. Mus. List 
Hemipt., pt. 1, p. 43. fyQoeocra, dark, 
gloomy. 1851. Hem., Rhynch. Dallas. 
Zorochrus Thomson. Scand. Col., i, p. 
106; Vi, p. 116. 1859. Col. Water- 
house. 
Zoropsis Simon. Arachn. France, iv, p. 
329. Zora, nom. gen. 1878. Araclin., 
Aran. Simon. 
ZugodonOwEN. (=Zeuglodon.) Mamm. 
Zygaenula Doleschall. 1868. Dipt., 
Muse., Acal. Verrall. 
Zygas Pascoe. Journ. Ent., ii, p. 487. 
186-. Col. 
Zygobaris Le Conte. Rhynch. N. Amer., 
p. 317. 1876. Col. Le Conte. 
Zygobothrium Diesing. Syst. Helm., 
i, p. 602. 1850. Vermes. 
Zygocanna Haeckel. Monogr. Med., i, ; 
p. 214. 1879. Acal., Med. 
IN ZOOLOGY. 357 
Zygocannota Haeckel. Monogr. Med., 
i, p. 215. 1879. Acal., Med. 
Zygocannula Haeckel. Monogr. Med., 
i, p. 216. 1879. Acal., Med. 
Zygocephala Rondani. Ann. Mus. Civ. 
Stor. Nat. Genova, — , p. 443. fyyog; 
KecpaXrj. 1875. Dipt., Diops. Bigot. 
ZygodonOWEN. ( = Zeuglodon.) Mamm. 
Zygogramma Cope. Proc. Amer. Phil. 
Soc., 1870, p. 550. 1870. Rept., Saur. 
Carman. 
Zygonevra (Meigen) Macquart. (== 
Zygoneura Meigen, 1830.) 1834. 
Dipt., Mycet., Sciar. Verrall, Agassiz. 
Zygoramma Cope. Proc. Amer. Phil. 
Soc., 1870, p. 550. 1870. Rept., 
Test., Adoc. Cope. 
Zygospira Hall. Rep. N. Y. State Cab. 
Nat. Hist., xv, p. 126. &yog, jugum; 
spira, spire. 1862. Brachiop. Hall. 
Zygothrica Wiedemann. (Gray, 1832.) 
Dipt., Muse., Drosoph. Verrall. 
Zygotrica Gray. 1832. Dipt. Verrall. 
Zygotricha Gray. (= Zygothrica Wie- 
demann.) 1832. Dipt., Muse., Dro- 
soph. Verrall. 
Zygrita Thomson. Class. Longic., p. 69. 
Etym. nulla. 1860. Col. 
Zylobara Butler. Cist. Ent., ii, p. 498. 
1879. Lep. Kirby. 
Zylophagus Latreille. (=Xylopha- 
gus Meigen.) 1809. Dipt., Xyloph. 
Verrall. 
Zyphothyca Swainson. Classif. 1839. 
Pisces, Scombr. Agassiz. 
Zyrichthys Swainson. Classif., ii. (v. 
Xyrichthys.) 1839. Pisces, Labrid. 
Agassiz. 
