914 INDEX GENERUM MAMMALIUM. 
Cystophora—Continued. 
Type: Cystophora borealis Nilsson (— Phoca cristata Erxleben), from the North 
Atlantic, along the coasts of southern Greenland and Newfoundland. 
Cystophora: KU6rn, bladder; Popa, carrying (from @épw, to bear)—in allusion 
to the inflatable cyst on the snout, which gives rise to the common names 
‘bladder nosed’ or ‘hooded’ seal. . 
Tuy: 
Dacrytherium Firuor, 1876. Ungulata, Artiodactyla, Anoplotheriid:e. 
Comptes Rendus, Paris, LX XXII, No. 4, 288, Séance du 24 Jan., 1876. 
Type: Dacrytherium anthracoides Filhol, from the Phosphorites of Quercy, France. 
Extinct. Based on ‘‘un crane complet, possédant son maxillaire inférieur en 
place et toutes ses dents." 
Daerytheriwm: 0 &ipv,tear; piov, wild beast—in allusion to the lachrymal fossa. 
Dactyleena (subgenus of Balcnoptera) Gray, 1874. Cete, Baleenidee. 
Ann. & Mag. Nat. Hist., 4th ser., XIII, 449, pl. xvri, June, 1874. 
Type: Balwnoptera huttoni Gray (= Physalus antarcticus Hutton), from Otago 
Head, New Zealand. 
Dactylena: SaKtvAos, finger; + (Bal-) ena—‘ finger whale,’ in allusion to the 
character: ‘‘fingers the length of the forearm bone," in contrast with those 
of Balenoptera, which are shorter. 
Dactyloceros (subg. of Cervus) WAGNER, 1855. Ungulata, Artiodactyla, Cervidee. 
Suppl. Schreber’s Siugthiere, V, 352, 1855. 
Type: Cervus duma Linneeus, from Europe. 
Name preoccupied by Dactylocera Latreille, 1829, a ones of Crustacea. (See 
Dama Frisch, 1775.) 
Dactyloceros: ócirvAos, finger; Képas, horn—in allusion to the snags which are 
numerous on the summit and posterior margin of the palmated part of the 
antlers. 
Dactylochilus (subg.* of Atelodus) Branpr, 1878. Ungulata, Rhinocerotide. 
Mém. Acad. Imp. Sci., St. Pétersbourg, 7° sér., XXVI, No. 5, pp. 52-53, 1878. 
Type: Rhinoceros bicornis Linneeus, from Africa. (See Opsiceros Gloger, 1841.) 
Dactylochilus: Sa«KrvaAos, finger; yetAos, lip—from the pointed, prehensile 
upper lip. 
Dactylomys I. Grorrroy, 1838. Glires, Octodontidee. 
Echo du Monde Savant, Paris, 5° Ann., No. 349, p. 201, July 7, 1838; Ann. Sci. 
Nat., Paris, 2° sér., X, Zool., 126-127, Aug., 1838; Mag. de Zool., Mamm., 27, 
47, pl. xx, 1840. 
Type: Dactylomys typus I. Geoffroy (=Echimys dactylinus É. Geoffroy), from 
South America, probably Brazil. 
Dactylomys: SaKrvAos, finger; “0s, mouse—from the elongated third and fourth 
digits of the manus. 
Dactylopsila Gray, 1858. Marsupialia, Phalangerid:e. 
Proc. Zool. Soc. London, No. cccuiur, Apr. 27, 1858, 109-111, pl. ux, 5 figs. in 
text; THomas, Cat. Marsup. & Monotrem. Brit. Mus., 159-161, 1888. 
Type: Dactylopsila trivirgata, from Aru Island (south of New Guinea). 
Dactylopsila: ócirvAos, finger; v1A0c, bare—in allusion to the naked toes. 
Dedicurus (see Doedicurus). Edentata, Glyptodontidee. 
Deodon Corr, 1878. Ungulata, Perissodactyla, Titanotheriid:e. 
Paleont. Bull. No. 30, p. 15, Dec. 3, 1878; Proc. Am. Philos. Soc., X VIII, 77, Dec. 
30, 1878. 
Daledon Zrrrg,, Hand. Palaeont., IV, Iste Lief., 304, 1892 (in synonymy). 
Dalodon ZrrrEL, ibid., 2te Lief., 308, 1893. 

* Dactylochilus is given as a section of the subgenus Colobognathus Brandt. 
