OF GENERA IN ZOOLOGY. 
Sigerpes Wood-Mason. 1879. Orth. 
Zool. Bee. 
Sigillina Savigny. Mem. Anim. sans 
Vertbbr. 1816. Moll. Agassiz. 
Sigmodus Waagen. Mem. Geol. Surv. 
India, Palaeont. Ind., [13], i, i, p. 9. 
1879. Pisces, Gan., Saur. 
Sigsbeia Lyman. Bull. Mus. Comp. 
Zool., y, no. 7, p. 233. (Die. Sigs- 
bee.) 1878. Ech., Aster., Ophiur. 
Lyman , Luiken. 
Silbermania Desyoidy. 1863. Dipt., 
Muse., Tach. Verrall. • 
Silia Mayer. Bull. Soc. G6ol. France, 
[3], iv. 1876. Moll., Gast. Dalton. 
Silicaria (Brugi^re) Daudin. Rec., 
p. 33. 1800. Moll., Gast. 
Silicerinus Heyden. Palaeontogr., viii, 
p. 6. 1859. Col. 
Silicula Jeffreys. Proc. Zool. Soc. 
Lond., 1879, p. 573. 1879. Moll., 
Biv. 
Siliquaria Schumacher. Essai Nouv. 
Syst. ( — Solen.) 1817. Moll. Ag- 
assiz. 
Silopa Erichson. Arch. Nat., i, p. 161. 
1842. Col. 
Silubosaurus Gray. Cat. Lizards Brit. 
Mus., p. 104. 1845. Rept. Water- 
house. 
Siluboura Gray. Cat. Lizards Brit. 
Mus., p. 142. 1845. Rept. Water- 
house. 
Siluridei Nilsson. Prodr. Ichth. 
• Seand. Silurus. 1832. Pisces. Ag- 
assiz.' 
Simaedosaurus Gervais. Journ. Zool., 
Yi. 1877. Rept. Dalton. 
Simareea Moore. Proc. Zool. Soc. 
Lond., 1878, p. 14. 1878. Lep. Kirby. 
Simblis Billberg. Enum. Ins., p. 94. 
1820. Neur. 
Simenchelys (Gill) Goode and Bean. 
1879. Pisces. Zool. Jahresb. 
Simia Leach MSS. Teste Gray. 1847. 
Moll., Gast. 
Simianus Blanchard. Voy. Pole Sud, 
Ent., p. 82. 1853. Col. 
Simocarcinus Miers. Journ. Linn. Soc. 
Lond., Zool., xiv, p. 649; Ann. Mag. 
Nat. Hist., [5], iv, p. 6. 1879. Crust., 
Dec. Miers , Faxon. 
Simoides Loew. Afrik. Dipt., p. 382. 
cnyog ; euhv. 1857. Dipt., Syrph. 
Bigot , Verrall. 
30 ? 
Simplecta (Meigen) Rondani. ( = Sym- 
plecta Meigen.) 1856. Dipt., Lim- 
nob. Verrall. 
Simulidium Westwood. Proc. Geol. 
Soc. Lond., 1854, p. 384. 1854. Dipt. 
Simnlopsis (Beck) Gray. Proc. Zool. 
Soc. Lond., 1847, p. 171. (=Simpu- 
lopsis.) 1847. Moll., Gast. 
Sinamora Thomson. Physis, ii, p. 113. 
Col. 
Sinapha (Meigen) Rondani. ( = Syna- 
pha Meigen.) 1856. Dipt., Mycet. 
Verrall. 
Sinechosticus Motschoulsky. Bull. 
Soc. Nat. Moscou, xxxvii, p. 186. 
1864. Col. Waterhouse. 
Sinevra Lioy. ( — Sineura Lioy. ) 1864. 
Dipt., Muse., Tryp. Verrall. 
Sinipta Stal. Freg. Eug. Resa, Ins. 
Orth., p. 341. 1860. Orth., Acrid. 
Sinis Heer. Verh. Holl. Maatsch. We- 
tensch., xvi, p. 32. 1862. Col. 
Sinis Thorell. Ann. Mus. Civ. Stor. 
Nat. .Genova, xiii, p. 269. Nom. 
propr. myth. 1878. Arachn. Gestro. 
Sinistrobranchia D’Orbigny. Yoy. 
Am6r. M6r. Sinister; Branchiae. 
1835-43. Moll., Tectibr. Agassiz. 
Sinocaulis Deyrolle et Fairmaire. 
Ann. Soc. Ent. France, [5], viii, p. 
117. 1878. Col. 
Sinolus Mulsant. Col. France, Longic., 
ed/2, p. 226. 1863. Col. 
Sinthomocera Rondani. ( — Syntomo- 
cera Schiner.) 1865. Dipt., Muse., 
Dex. Verrall. 
Sinula Megerle. Cat. MSS. (=Pire- 
na ?) Moll. Agassiz. 
Sinum Bolten. Mus. (ed. 1819, p. 10.) 
1798. Moll., Gast. 
Sinum IIubner. Epist. Teste F6russac, 
Prodr., p. 83. 1810. Moll. 
Sinum Megerle. Cat. MSS. (=Turbo.) 
Moll. Agassiz. 
Sinus Thorell. Ann. Mus. Civ. Stor. 
Nat. Genova, xiii, p. 269. Nom. 
propr. 1878. Arachn., Aran. Tho- 
rell. 
Siola Mulsant. Spec. Col. Trim. Sdcur., 
p. 931. Etym. nulla. 1851. Col. 
Sipalia (Mulsant) Thomson. Scand. 
Col., i, p. 40; iii, p. 105. 1859. Col. 
Waterhouse. 
Sipha Passerine Afidi? oupov, tube. 
I860. Hem., Aphid. Monell. 
