888 INDEX GENERUM MAMMALIUM. 
INCERTZE SEDIS. 
GENERA AND SUBGENERA. 
Name, authority, and. date. Type or included species, and localities. 
Achlysictis AMEGHINO, 1891......... Achlysictis lelongii, Paraná, Argentina. 
Amphithereuthes AMEGHINO, 1894..... Amphithereuthes obscurus, Patagonia. 
Apera AMEGHINO, 1886............. Apera sanguinaria, Paraná, Argentina. 
Archididelphys HAECKEL, 1895 ...... Hypothetical genus of carnivorous marsupials. 
Eodiprotodon AMEGHINO, 1890 ...... Hypothetical ancestor of Tritomodon and Phas- 
colomys. 
Eosyndactylus AMEGHINO, 1890...... Hypothetical ancestor of the polyprotodont 
marsupials. 
Eutemnodus BRAVARD, 1858......... Eutemnodus americanus, Paraná, Argentina. 
Gialestes;GORE 8/4 anne seas ee Insectivorous marsupials, Purbeck, England. 
Macropristis * AMEGHINO, 1889...... New name for Mesotherium Moreno, 1882. (See 
Mesitotherium. ) 
Mesitotherium 'TRovESsART, 1883..... New name for Mesotherium Moreno, 1882. 
t ** Mesotheriwm ^ Moreno, 1882" ... Mesotherium marshii, Rio Negro, Patagonia. (See 
Mesitotherium and Macropristis. ) 
Notictis AMEGHINO, 1889............ Notictis ortizii, Paraná, Argentina. 
Peragonium € HAECKEL, 1895 ....... Peragonium promarsupium. Hypothetical form 
from the Lias? 
Plectodon Gi1ariorr, 1873 -..---2---- Plectodon sp. (misprint?), placed between Thy- 
lacoleo and Diprotodon. 
PlesiofelisHROre, 1903770 eee ease Plesiofelis schlosseri, P. cretaceus Lago Musters, 
Patagonia. 
Prophalangista HAECKEL, 1895...... Hypothetical genus of herbivorous marsupials. 
Wynyardia SPENCER, 1901.......... Wynyardia bassiana, Table Cape, Tasmania. 
MONOTREMATA. ^ 
ECHIDNIDZE. (See TACHYGLOSSIDZ. ) 
ORNITHORHYNCHIDZE. 
FAMILIES AND SUBFAMILIES. 
Ornithoryncina GRáv, 1825. { Paradoxidee Lesson, 1842. (Based on 
Ornithorhynchide Burnett, 1830. Ornithorhynchus. ) 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Dermipus WIEDEMANN, 1800........ New name for Platypus Shaw, 1799. 
Ornithorhynchus BLUMENBACH, 1800. Ornithorhynchus paradoxus, Botany Bay, New 
South Wales. 
{Platypus SHAN (99es= eens ee Platypus anatinus, Australia. (See Ornithorhyn- 
chus. ) 
a 4 Macropristidze AMEGHINO, 1889. 
b Mesotherium marshii MoRENO is a nomen nudum according to Ameghino. If Mesi- 
totherium is simply a new name without description Macropristis becomes the earliest 
valid name. 
€ Peragonida H AECKEL, 1895. 
4 Monotrémes’ E. GEorrRov, Bull. Sci. Soc. Philomathique, 1805, p. 126 (nis 
print for 226); Cat. Mamm. Mus. National Hist. Nat., p. 222, 1803. 
Monotrymatum G. Frscugn, Zoognosia, II, p. 461, 1813. 
Monotremata Bonaparte, Syn. Vert. Syst., pp. 4, 5, 8, 1858. 

