APPENDIX 519 



I. Ordkr ' TRITUBERCULATA • in part (= Pantotheria). Trituberculates 



or Mesozoic Inscrtivoivs.' 



Fam. Amphitheriidae. Ami)hitheres. 



f A mji/iil/ierium. Jur., England, X. Anier. 

 Fam. Amblotheriidae. Amblotheie.s. 



f Dri/olesles. Jur., N. Anier., England. 



f Amhlotherium. U. Jur., England. 



II. Order INSECTIVORA.- Insectivores. 



1. SuiJORDKR LiPOTYPHLA. Insectivores with pubic symphysis typically 

 short or absent. C'a'cuni absent. 



Inc. Sed. Fam. Pantolestidae. Pantolestids. Eocene aquatic Insec- 

 tivores, with creodont-like teeth. 



f Pentacodon. Bas. p]oc., X. Amer. 



t Pakeosinopa. L. Eoc, X. Amer. 



f ' Pantolestes ' ( = Anisacndnn, Passnlncodun). IVL Eoc, N. Amer. 



1. Skctios Z ALA MBDODONTA. Zalambdodonts, Molar cusps form- 

 ing a single V. 



SuPERFAM. Cextetoidea. Ceutetoids. 



Fam. Apternodontidae, Matthew. Apternodonts. North American 

 Oligocene Ceutetoids. 



t Ajiternndus. L. Olig., N. Amer. 



Fam. Centetidae. Madagascan Tenrecs, etc. 



SuBFAM. Oryzorictin?e. 



Microgale. Long-tailed Tenrec. Madag. 



Oryzorictes. Rice Tenrec. Madag. 



Limnof/ide. Limnogale. Madag. 



Geogale. Geogale. Madag. 



1 Vide Osborn, H. F., Evolution Maininalian Molar Teeth, 1!K)7, pp. '21-:50, figs. 12-:'w; Gid- 

 ley, -I. W., Evidence Bearing on Tooth-cusp Develoi)iuent. Proc. Wash. Acad. ScL, Vol. VIII, 

 l'.)0(j, pi. V (teeth of Mesozoic mammals). 



2 See especially the following authors : 



DoBSox, G. E. A Monograph on the Insectivora. London. 1882-18X3. 



Gill, T. Synopsis of Insectivorous Mammals. BkU. CS. deol. and (ieogr. Sum. Terr., No. 2, 



1875, pp. '.)1-120. 

 Gregory, W. K. The Orders of Mammals. Ball. Amer. .Viis. Nat. HM., Vol. XXVII, 1910, 



pp. 2U1-287. 

 Leche, W. Zur Entwicklungsgeschichte des Zahnsystenis der Siiugetiere. Vhnn'.'^ Zoiilor/ica. 



Stuttgart, 18i(r.-l!)()7. 

 Matthew, W. D. The Carnivora and Insectivora of the Bridger Basin, Middle Eocene. }fem. 



Aiuer. Mii.o. Nat. Hint., Vol. IX, pt. vi. 1!K)<». 

 MivART, ,St. George. Notes on th(! Osteology of the Insectivora. Journ. Anat. and Physiol., 



Vol. I, 18<i7, pp. 281-:U2; Vol. II, 18(i8, pp. 117-154. 

 The present arrangement is by Matthew and Gregory. 



