9T» INDEX GENERUM. MAMMALIUM. 
Harpiocephalus Gray, 1842. Chiroptera, Vespertilionide. 
Ann. & Mag. Nat. Hist., X, 259, Dec., 1842. 
Harpyiocephalus GRÁY, ibid., 3d ser., XVII, 90, Feb., 1866. 
Type: Harpiocephalus rufus Gray (= Vespertilio harpia Temminck, from Volcan 
de Guédé, Java). 
Harpiocephalus: Harpyia; Kepady, head. 
Harpyia IrnuiGEn, 1811. Chiroptera, Pteropodidze. 
Prodromus Syst. Mamm. et Avium, 118-119, 1811. 
Harpyja GroaER, Hand- u. Hilfsbuch Naturgesch., pp. xxviii, 49, 1841. 
Type: Vespertilio cephalotes Pallas, from the Molucca Islands. 
Name preoecupied by Harpyia Ochsenheimer, 1810, a genus of Lepidoptera. 
Harpyia: &pz via, harpy—a mythological winged monster, ravenous and filthy, 
with the head of a woman and the wings of a bird of prey. 
Harpyiocephalus (see Harpiocephalus). Chiroptera, Vespertilionide. 
Harpyionycteris Tuomas, 1896. Chiroptera, Pteropodide. 
Ann. & Mag. Nat. Hist., 6th ser., XVIII, No. 105, pp. 243-244, Sept. 1, 1896. 
Type: Harpyionycteris whiteheadi Thomas, from Mindoro, Philippine Islands (alt. 
5,000 ft. ). 
Harpyionycteris: Harpyia; vvkrtpísc, bat—'harpy bat.’ 
Harpyja (see Harpyia). Chiroptera, Pteropodidee. 
Hathliacynus AwEGniNo, 1887. Marsupialia, Borhyzenide. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, p. 7, Dec., 1887. 
Hathlyacynus AMEGHINO, Enum. Syn. Mamm. Foss. Eocénes de Patagonie, 126, 
Feb., 1894. 
Type: Hathliacynus lustratus Ameghino, from the Lower Tertiary of southern . 
Patagonia. 
Extinct. 
Hathliacynus: Aros, wretched, i. e., low, imperfect; «ocv, Kv ds, dog. 
Hebetotherium AMEGHINO, 1898. Edentata, Megatheriidee. 
Sin. Geol.-Paléont., in Segundo Censo Nacional Repüb. Argentina, I, 204, 1898. 
Type: Hebetotherium silenum Ameghino, from the Lower Pampean of La Plata, 
Argentina. 
Extinct. Based on a left mandibular ramus. 
Hebetotherium: HBnths (—59rnp), youth; 05mpotov, wild beast. 
Hedimys (see Hedymys ). 3 Glires, Eocardidee. 
Hedralophus Amrcuino, 1901. Ungulata, Ancylopoda, Leontiniide. 
Bol. Acad. Nac. Cien. Córdoba, XVI, 406-407, July, 1901 (sep. pp. 60-61). 
Type: Hedralophus bicostatus Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinet. 
Hedralophus: £8p«, seat, base; Ad@os, crest. 
Hedymys AmEGHINO, 1887. Glires, Eocardidee. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, p. 14, Dec., 1887; Act. 
Acad. Nac. Cien., Córdoba, VI, 218, 1889. 
Hedimys Zvrrgy, Handb. Palaeont., IV, 544, 555, 1893. 
Type: Hedymys integrus Ameghino, from the Lower Tertiary of southern Patagonia. 
Extinct. 
Hedymys: 750s, pleasing; “0s, mouse. 
Hegetotherium AwranrNo, 1887. Ungulata, Typotheria, Hegetotheride. 
Enum. Sist. Especies Mamíf. Fós. Patagonia Austral, p. 14, Dec., 1887; Revista 
Jardín Zool. Buenos Ayres, II, entr. 7, pp. 205-206, July 15, 1894 (type fixed). 

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