OF GENERA IN ZOOLOGY. 
157 
Heliotis Laporte. Silb. Rev., iv, p. 18. 
Etym. dub. 1836. Col. 
Heliotropis Dall. Proc. Cal. Acad. Sc., 
v, p. 61. (Subg. Chrysodomus ; type 
Neptunea harpa Morck. ) 1873. Moll. , 
Gast. Dali. 
Heliozoa Leidy. Rep. U. S. Geol. Surv. 
Terr., xii, p. 233. rjAiog) £oov. 1879. 
Rhiz. 
• Heliscomys Cope. New Vertebr. Col., 
Misc. Publ. U. S. Geol. Surv. Terr. 
1873. Mamm., Rod. Cope. 
Helius St. Fargeau. 1825. Dipt., 
Lirnnob. Verrall. 
Helladotherium Gaudry. Compt. rend. 
Acad. Sc. France, — , p. — . (Anim. 
Foss. Attique, p. 252, 1862.) ’E/Uaf, 
Gr&ce; -d-ypiov, animal.. 1860. Mamm., 
Rumin. Gaudry. 
Hellenia MacLeay. Col. 
Hellica Stal. Ofv. Yet. Akad. Fork., 
1867, p. 533. 1867. Hem., Acanth. 
Helmersenia Pander. Bull. Acad. 
Sc. St. P6tersburg, iii, p. 47. 1861. 
? Obolidae. 
Helminctis (Cocco) Bonaparte. Fauna 
ItaL, iii. (v. Helmictis.) 1832-41. 
Pisces, Mur. Agassiz. 
Helminthochiton Salter. Proc. Geol. 
Soc. Loud., iii, pp. 49,51,52. (Type 
Helminth ocbiton Griffitksii Salt.) 
1846. Moll., Polyp. Dali. 
Helminthodes Marsh. Amer. Journ. 
Sc. Arts, [2], xxxviii, p. 415. klpuv- 
6o)dyg, like a tape-worm. 1864. An- 
nelida. Marsh. 
Helminthoidichnites Fitch. Geol. 
Surv. Wash. Co. 1848. Crust. 
Helminthosomus (Cocco) Bonaparte. 
Fauna ItaL, iii. eXfivvg, vermis ; o&pa, 
corpus. 1832-’41. Pisces, Scomb. 
Agassiz. 
Helobius Mulsant. M6m. Acad. Sc. 
Lyon, [2], i, p. 75. 1851. Col. 
Helochares Mulsant. Col. France, Pal- 
pic. 1844. Col. 
Helodopsis Waagen. Mem. Geol. Surv. 
India, Paleont. Ind., [13], i, p. 13. 
1879. Pisces. 
Helohyus Marsh. Amer. Journ. Sc. 
Arts, [3], iv, p. 207. eXog, a marsh ; 
vg, a hog. 1872. Ungulata. Marsh. 
Helopides Roemer. Zeitschr. deutsch. 
geol. Gesellscli., xxviii, p. 351. 1876. 
Col. 
Helopidium Westwood. Proc. Geol. 
Soc. Lond., 1854, p. 395. 1854. Col. 
Helopium Westwood. Proc. Geol. Soc. 
Lond., 1854, p. 393. 1854. Col. 
Helopora Hall. Palaeont. N. Y., ii, p. 
44. rjlog, clavus ; nopog, foramen. 1852. 
Bryozoa. Hall. 
Helotenthes Berg. Hem. Argent., p. 
194. 1879. Hem., Nep. 
Helothrepta Fritsch. Fauna Gaskohle 
Kalksteine Bohmens, p. 48. 1879. 
Saur. Gar man. 
Helwigia Blanchard. Hym. Agassiz . 
Hemasson (Loew) Bigot. (=Haemas- 
son Loew.) 1854. Dipt., Psych. 
Verrall. 
Hemastor Loew. Stett. ent. Zeit., — , 
p. 115. 7j[jia<yLv ? 1845. Dipt., Psych. 
Bigot. 
Hematoma (Latreille) Lioy. (=Hex- 
atoma Latreille, 1809. ) 1864. Dipt., 
Lirnnob. Verrall. 
Hematortyx Sharpe. Ibis, [4], iii, p. 
266. 1879. Aves. 
Hemeristia Dana. Amer. Journ. Sc. 
Arts, xxxvii, p. 35. yfiepa. 1864. 
Neur. 
Hemerobioides Buckland. Proc. Geol. 
Soc. Lond., ii, p. 688. 1838. Neur. 
Hemerobites Germar. Mag. Ent., i, p. 
16. 1813. Neur. 
Hemerodromya (Meigen) Rondani. 
( = Hemerodromia Meigen, 1822. ) 
1856. Dipt., Emp. Verrall. 
Hemerodromyia (Meigen) Blanchard. 
(= Hemerodromia Meigen, 1822.) 
1845. Dipt., Emp. Verrall. 
Hemiaclis Sars. Moll. Reg. Arct. Nor- 
veg., p. 197. 7]fii , demi; Aclis, nom. 
gen. (Type H. ventrosa Jeffreys.) 
1878. Moll., Gast., Pter. Sars, Dall, 
v. Martens. 
Hemiacodon Marsh. Amer. Journ. Sc. 
Arts, [3], iv, p. 212. ryu, half; oktj, 
a point ; bSovg, a tooth. 1872. ? In- 
sectivora. Marsh. 
Hemiarthrum Carpenter. Bull. U. S. 
Nat. Mus., iii, p. 44. (Type Hemiar- 
thrum setulosum Carp.) 1876. Moll., 
Polyp. Dall. 
Hemiaster (Desor) Agassiz. Cat. Rais. 
Ech. ypu, semi; aargp, stella. 1847. 
Ech., Spat. Agassiz. 
Hemiasterella Carter. Ann. Mag. Nat. 
Hist., [5], iii, p. 146. 1879. Spongia. 
