CONTENTS 
(I) 
I. - SUPLEMENTAL OBSERVATIONS ON ARGENTINE UNGULATES.® 
SUBORDER TOXODONTIA. 
Faaiily TYPOTHERIID^E. 
Genus TRACHYTHERUS .... 
TRACHYTHERUS SPEGAZZIANUS 
SUBORDER ASTRAPOTHEROIDEA. 
Genus COLPODON. 
COLPODON PROPINQUUS . 
Family HOMALODONTOTH E R11 DTE . 
Genus HOMALODONTOTHERIUM . . 
SUBORDER PROBOSCIDEA. 
Family PY r ROT H E R11DTE. 
Genus PYROTHERIUM. 
PYROTHERIUM ROMERI . . 
II.-EXTINCT EDENTATES OF ARGENTINA. m 
Family I. — GLYPTODONTID^E.i 
I. —Genus GLYPTODON. 3 
I. lili Vjl 
1. —GLYPTODON CLAVIPES. 5 
2. — » EUPHRACTUS.i i 
II. —Genus PLOHOPHORUS.12 
1. — PLOHOPHORUS FíCURATOS.14 
2. — » AMEGHINI.1 5 
III. —Genus LOMAPHORUS.17 
1. — LOMAPHORUS MEYERI.19 
2. — » ORNATOS.20 
3 . — » CLARAZIANUS.24 
4. — » LYDEKKERI.26 
5 . — » PARANENSIS.27 
6. — » LENE ATES...27 
IV. —Genus PANOCHTHUS.28 
1. — PANOCHTHUS BULLIEER. 3 o 
2. — » INTERMEDIOS.34 
3 . — » TUBERCOILATUS.. . 36 
4. — » INTERUNDATOS. 3 g 
V. — Genus DG^DICO'RUS ..40 
1. —DCEDICURUS ANTIQUUS.41 
2. — » CONCISOS ...43 
3 . — » CLAVICAUDATUS. 4 3 
VI. — Genus PROPAL/EOHOPLOPHORUS. 4 5 
PROPAL/EOHOPLOPBORUS AUSTRALIS.48 
Family II. — DASYP 0 D 1 DYE .. 5 i 
Sub family I. — CHLAAE DOTHERIINEE.52 
I. — Genus CHLAMYDOTPIERIUM ... 52 
1. — CHLAMYDOTHERIUM TYPUM. 5 3 
2. — » PARANENSE... 5 4 
3 . — » MINUTUM. 5 4 
Subfamily II.—DASYPODINzE... 5 5 
II. —Genus DASYPUS. 5 5 
1. — DASYPUS RETUSUS. 5 6 
2. — » MORE NI ................. ... 58 
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1 
1 
2 
2 
2 
2 
3 
p) Contenido. — ( 2 ) Observaciones adicionales sobre los Ungulados Argentinos. — ( 3 ) Los Edentados extinguidos de la Argentina. 
