OF GENERA 
Dekayia Edwards et Haime. Pol. Pal- 
aeoz., Arch. Mus., y. Die. Dekay. 
1851. Favositidae. Agassiz . 
Deletrocephalus Diesing. Syst. Helm., 
ii, p. 298. 1851. Vermes. 
Deliathis Thomson. Class. Longic., p. 
101. Nom. propr. 1860. Col. 
Delma Gray. Zool. Misc., 1831, p. 14. 
1831. Kept., Saur. Waterhouse. 
Delopygus Le Conte. New Spec. Col., 
p. 129. dglog, manifestus ; Tzvyr}, anus. 
1866. Col., Tenebr. Le Conte. 
Delphinella (Reichenbach; Bonaparte. 
Ann. Sc. Nat., 1854, p. 137. 1854. 
Aves. 
Delphinoides . Mamm. 
Delphinulopsis Wright. Journ. Con- 
ch., xxvi, p. 161. Delphinula, nom. 
gen.; oiptg, facies. (Nom. preocc. mu- 
tatum in Angarina Bayle.) 1878. 
Moll., Gast., Scut. v. Martens. 
Delthyridea King. Monogr. Perm. Foss., 
p. 141. 1850. Terebratulidae. 
Delthyris Dalman. Svensk. Vet. Akad. 
Handl., 1827, pp. 93, 99. 1828. Spiri- 
feridae. 
Delthyris Menke. Syn. Mus. Menkea- 
nnm, ed. 2, p. 96. 1830. Terebratu- 
lidae. 
Delthyris Buch. Ueber Delthyris, p. 4. 
1837. Artbropomata. 
Deltocyathus Edwards et Haime. Ann. 
Sc. Nat., [3]. deXra, delta; Kvadog, 
cyatbus. 1848. Turbinolidae. Ag- 
assiz. 
Deltomerus Motschoulsky. Col. 
Deltorrhinum Harold. Col. Hefte, ii, p. 
96. dtvlra, triangulum; plv, nasus. ( = 
Deltorbinum Marscb. Nomen.) 1867. 
Col. 
Deltyrydaea Davidson. Intr. Syn. 
Trigonosemus, p. 126. (Lapsus, = 
Delthyridea M’Coy.) 1856. Tere- 
bratulidae. 
Dema Karsch. Zeitscbr. ges. Naturw., 
Ii, p. 801. Demus, nom. propr, 1878. 
Arachn., Aran. Peters. 
Demacidia Thomson. Class. Longic., p. 
246. 1860. Col. 
Demagogus Thomson. Col. 
Demetridula Chaudoir. Rev. Mag. 
Zool., [3], vi, p.160. 1878. Col.,Carab. 
Demochroa White. Ann. Nat. Hist., 
1843, p. 342. 1843. Col. 
IN ZOOLOGY. 103 
Demodocus (KlugMSS.) Guerin. Sp. 
Icon. Gen. 1842. Col. 
Demoleus Stal. Ofv. Vet. Akad. Forh., 
1867, no. 7, p. 493, in table. 1867. 
Hem., Tetyr. 
Demonassa Thomson. Syst. Ceramb., 
p. 327. Nom. propr. 1864. Col. 
Demonax Thomson. Col. 
Demosoma Thomson. Scand. Col., i, 
p. 37 ; iii, p. 32. 1859. Col. Waterhouse. 
Demothispa. (v. Demotispa Baly. ) Col. 
Dendracis Edwards et Haime. Compt. 
rend., xxix. 1849. Madreporidae. 
Dendraraea D’Orbigny. Note Pol. Foss. 
1849. Poritidae. Agassiz. 
Dendraster Agassiz. Cat. Rais. Ech. 
devdpov, arbor; darr/p, stella. 1847, 
Ech., Clyp. Agassiz. 
Dendrastrea D’Orbigny. Prodr., i. 
Astraeidae. Agassiz. 
Dendricopora Koninck. Recb. Foss. 
PaMont. Nouv. Galles du Sud. 1877. 
Polyzoa. Dalton. 
Dendritina D’Orbigny. Table M6th. 
C^pbal. 1826. Moll. Agassiz. 
Dendrobium Mulsant. Ann. Soc. Linn, 
Lyon. 1863? Col. 
Dendrocoenia D’Orbigny. Note Pol. 
Foss. ( = Stylina.) 1849. Astraei- 
dae. Agassiz. 
Dendrocrinus Hall. Palaeont. N. Y., ii, 
p. 193. devdpov, arbor ; Kpivov, lilium. 
1852. Ech., Crin. Hall. 
Dendrograptus Hall. Can. Org. Re- 
mains, decade ii, p. 126. devdpov , 
arbor; ypa^w, scribo. 1865. Hydroid. 
Hall. 
Dendrohyrax Gray. Ann. Mag. Nat. 
Hist., 1868, p. 48. Mamm. Waterhouse. 
Dendroidae Edwards et Haime. 
Compt. rend., xxvii. 1848. Astraei- 
dae. Agassiz. 
Dendronema Haeckel. Monogr. Med., 
i, p. 109. 1879. Medus. 
Dendropora Michelin. Iconogr. Zoopb. 
d'evdpov, arbor; nopog, porus. 1845. 
Seriatoporidae. Agassiz. 
Dendroris Gray. Syn. Brit. Mus., p.90. 
1842. Moll., Gast. 
Dendrosmilia Edwards et Haime. 
Compt. rend., xxvii. devdpov , arbor; 
agikela, convolvulus. 1848. Astraei- 
dae. Agassiz. 
