OF GENERA 
Remalia Giebel. Ins. Vorw., p. 199. 
1856. Dipt. 
Remphan Waterhouse; Trans. Ent. 
Soc. Loud., i, p. 67. Nom. Saturni. 
1836. Col. Waterhouse. 
Renoidea Brown. 111. Conch. Gr. Brit. 
(==Nummulina.) 1827. Moll. Ag- 
assiz. 
Rensselaeria Hall. Palaeont. N. Y., 
iii, p. 454. Nom. propr. 1859. Brach. 
j Rail. 
Renulina Blainville. ( = Frondicula- 
ria Defrance.) Moll. Agassiz. 
Reophax Montfort. Conch. Syst. 1808. 
Moll. Agassiz. 
Reptantes Edwards et Haime. 
Compt. rend., xxvii. ( = Astreinae.) 
1848. Pol., Astraeid. Agassiz. 
Requienia Matheron. Cat., ii, p. 103. 
1842. Moll., Brach. 
Requienites Matheron. 1839. Moll., 
Brach. 
Restiacites Presl. St. FI., vii. 1838. 
Reticulites Eichwald. Zool., i, p. 196. 
1829. Coel. 
Retilia Lacordaire. Gen. Col., ix, 2, p. 
512. Etym. dub. (= Retilia Zool. 
Rec.) 1872. Col., Ceramb. 
Retinella Shuttle worth. 1879. Moll. 
Zool. Bee. 
Retinia GuenIse. Europ. Micr. Index 
Method., p. 46. 1845. (No charac- 
ters.) Lep. Waterhouse. 
Retortomonas Grassi. (Subg.) 1879. 
Flagell. Zool. JahresJ). 
Retsia Davidson. Intr., pi. ix. (Lap- 
sus, = Retzia King.) 1856. Brach., 
Spirif. 
Retusa Brown. 111. Conch. Gr. Brit., 
tab. 38. (= Bulla.) 1827. Moll. 
Agassiz. 
Retzia King. Monogr. Perm. Foss., p. 
137. Nom. propr. 1850. Moll., 
Brach. 
Reuda White. Ent. Month. Mag., xv, 
p. 132. 1878. Hem. White. 
Reussastraea Achiardi. Atti Soc. Tosc. 
Sc. Nat., i, fasc. 3. 1876. Actin. 
Dalton. 
Reuteriella Signoret. (Pro Reuteria.) 
1879. Hem. Zool. Jahresb. 
Rhabdaria Billings. Pal. Foss., i. 
Rhabdos. 1865. Spongia. 
Rhabdichnites Dawson. Can. Nat. Geol. 
(cf. Rabdichnites.) 1875. Crust. 
IN ZOOLOGY. 291 
Rhabdium Schaum. Cat. Col. Eur., ed. 
2, p. 100. 1861. Col. 
Rhabdoconcha Gammellaro. Giorn. 
Sc. Nat. Econ. Palermo, xiii. 1879. 
Moll., Gast. Dalton. 
Rhabdocrinum Link. Coel. 
Rhabdofario Cope. Proc. Amer. Phil. 
Soc., 1870, p. 17. 1870. Pisces, Isosp., 
Salm. Cope. 
Rhabdomeson Young and Young. Ann. 
Mag. Nat. Hist., [4], xv, p. 333. 
1875. Polyzoa. Dalton. 
Rliabdopelis Cope. Syn. Ext. Rept. 
Batr., etc., p. 169. 1870. Saur. Gar- 
man. 
Rhabdopelix Cope. Proc. Acad. Nat. 
Sc. Philad., 1866, p. 290. 1866. Rept. 
Cope. 
Rhabdophorus Lef^vre . Mitth. 
munch, ent. Ver., 1878, p. 127. 1878. 
Col., Chrys. Berth. Ber. 
Rhabdophyllia Edwards et Haime. Pol. 
Palaeoz., Arch. Mus., v. 1851. Pol., 
Astraeid. Agassiz. 
Rhabdopora Edwards et Haime. Compt. 
rend., xxix. 1819. Pol., Seriatop. 
Agassiz. 
Rhabdorrhynchus Motschoulsky. Col. 
Rhabdosoma Adams and White. Belch- 
er, Voy. Samar., Crust., p. 63. 1848. 
Crust., Amph. Smith. 
Rhabdosteus Cope. Proc. Acad. Nat. 
Sc. Philad., 1867, p. 145. 1867. 
Mamm., Cet. Cope. 
Rhachicerus Walker. ( = Rachicerus. ) 
1854. Dipt. Verrall. 
Rhachitomus Cope. Proc. Amer. Phil. 
Soc., xvii, p. 526; Paleont. Bull., no. 
29, p. 526. 1878. Batr., Stegoc., 
Ganoc. Cope, Gar man. 
Rhachura Scudder. Proc. Bost. Soc. 
Nat. Hist., xix, p. 296. f Sdnog ; ovpa. 
1878. Crust., Brach. Scudder, Faxon. 
Rhacoceras Hyatt. Bull. Mus. Comp. 
Zool., i, no. 5, p. 86. fianog. 1868. 
Moll., Ceph., Amm. Hyatt. 
Rhacocleis Fieber. Lotos, iii, p. 148. 
puKog ; tcheig. 1853. Orth. 
Rhacodiscula Zittel. Abb. bayer. 
Akad. Wiss., 2. cl., xiii, Abth. 1, p. 
151; Neues Jahrb. Miner., 1878, p. 
608. 1878. Spong., Lith. 
Rhadalus Le Conte. Ann. Lyc. Nat. 
Hist. N. Y., v, p. 212. 1852. Col., 
Malach. Le Conte. 
