OF GENERA IN ZOOLOGY. 
151 
Gypidula Hall. Palaeont. N. Y., iv, p. 
373. yv'ij), vultur ; in allusion to the 
strongly incurved beak. 1867. Brach. 
Hall. 
Gyrineum Link. Besckr. Rost Samml., 
iii, p. 123. 1807. Moll., Gast. 
Gyrinida (Leach) PIeer. 1841. Col. 
Agassiz. 
Gyrinoidea . Col. Agassiz. 
Gyrinopliilus Cope. Proc. Acad. Nat. 
Sc. Philad., 1869, p. 108. 1869. Batr., 
Urod., Plith. Cope. 
Gyriodera Lacordaire. Monogr. Phy- 
toph., ii, p. 119. 1848. Col. 
Gyrocecis Thomson. Scand. Col., i, p. 
93; v, p. 212. 1859. Col. Water- 
house. 
Gyroceras Koninck. Descr. Anim. Foss. 
Belg. Gyros; keras. 1841. Moll., 
Ceph. 
Gyroceras Goldfuss. Petref. Moll. 
Agassiz. 
Gyroceras King. Ann. Mag. Nat. Hist., 
xiv. (= Gyroceras Kon.) 1844. Moll., 
Ceph. 
Gyrocotyle Diesing. Syst. Helm., i, p. 
408. 1850. Yermes. 
Gyrodes Conrad. Joum. Acad. Nat. Sc. 
Philad., iv, p. 289. (Type Natica 
(Gyrodes) crenata Con.) 1860. Moll., 
Gast. Dali. 
Gyroidina D’Orbigny. Tabl. M6th. 
C<5ph. 1826. Moll. Agassiz. 
Gyronotus Klug. Ins. Madag., p. 161. 
1833. Col. 
Gyrosmilia Edwards et Haime. Pol. 
Palaeoz., Arch. Mus., v. 1851. As- 
traeidae. Agassiz. 
Gyrotropis Gabb. Proc. Acad. Nat. Sc. 
Philad., 1876. 1877. Gast. Dalton. 
Gystaster Hall. Descr. New Spec. 
Foss., etc., expl. pi. ii. Kvcmg, a 
bladder; aorrjp , a star. 1871. Ech., 
Cyst. Hall. 
Haaniceras Bayle. Journ. Conch., 
xxvii ([3], xix), p. 34. (Pro Cera- 
titesHaan.) 1878. Ceph. Dalton. 
Habrocerastes Waterhouse. Col. 
Habrocestum Simon. Arachn. France, 
iii, p. 131. Arachn., Attid. BertJc. 
Ber. 
Habrodactylus Lacordaire. (=Hadro- 
dactylus Agass. Nomen.) Col. 
Habrodais Scudder. Bull. Buff. Soc. 
Nat. Sc., iii, p. 113. afipodaig. 1876. 
Lep., Rur. Scudder. 
Habroloma Thomson. Scand. Col., vi, 
p. 42. 1864. Col. Waterhouse. 
Hada Billberg. Enum. Ins., p. 86. 
1820. Lep. 
Hadenoecus Scudder. Bost. Journ. 
Nat. Hist, vii, p. 439. adrjg) evoucog. 
1862. Orth., Loc. Scudder. 
Hadothera Billberg. Enum. Ins., p. 
80. 1820. Lep. 
Hadrambe Thomson. Scand. Col., i, p. 
57 ; iv, p. 21. 1859. Col. Waterhouse . 
Hadraule Thomson. Scand. Col., i, p. 
91 ; v, p. 182. 1859. Col. Waterhouse. 
Hadrianus Cope. Proc. Amer. Phil. 
Soc., 1872, p. 468. 1872. Rept., Test. 
Cope. 
Hadrobregmus Thomson. Scand. Col., 
i, p. 89; v, p. 157. 1859. Col. Water - 
house. 
Hadrocrinus Lyon. Trans. Amer. Phil. 
Soc., xiii. Adros; krinon. 1869. 
Ech., Crin. 
Hadrodema Fieber. Lotos, iii, p. 175, 
note. 1853. Orth. 
Hadrodes Wollaston. Col. St. Helena, 
p. 227. 1877. Col. BertTcau. 
Hadromorphus Motschoulsky. Bull. 
Soc. Nat. Moscou. 1859. Col. 
Hadropkyllum Edwards and Haime. 
Brit. Foss. Cor., i. 1850. Cyatho- 
phyllidae. Agassiz. 
Hadrophyllum Ludwig. Neues Jahrb. 
Miner., 1869, p. 674. 1869. Coel., 
Actin. Dalton. 
Hadroplontus Thomson. Scand. Col., 
i, p. 140; vii, p. 262. 1859. Col. 
Waterhouse. 
Hadropoda Suffrian. Arch. Nat., 1868, 
p. 174. 1868. Col. Waterhouse. 
Hadrorrhinus. (v. Hadrorhinus Schon- 
herr.) Col. 
Hadrosanrus Leidy. Proc. Acad. Nat. 
Sc. Philad., 1856, p. 218. 1856. Rept. 
Carman. 
Hadrosoma Fieber. Lotos, iii, p. 175, 
note. 1853. Orth. 
Hadrotes Le Conte. Class. Col. N. 
Amer., p. 64. 1861. Col., Staph. 
Le Conte. 
Hadrotettix Scudder. Rep. U. S. Chief 
Engin., 1876, iii, p. 511. adpog ; rernf. 
1876. Orth., Acrid. Scudder. 
