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Show xxiv Page L'ephalomys prorsus: last right lower molar, superior aspect 560 Deuterotherium distichum : fifth right lower molar, superior and external aspect 561 MorpMppus imbricatus: fifth right lower molar, superior aspect .. 562 Morphippus imbricatus : fifth right lower molar of adult, superior aspect 563 Notohippus toxodontoides : fifth right lower molar, superior aspect . . 563 Equus caballus, Crown of homologous tooth of existing 663 Archceophilus patrius: fifth right lower molar, unworn and worn, superior aspect 563 Notopithecus fossulatus: fifth right lower molar, slightly worn, external and superior aspect 564 Pitheculus australis: fifth right lower molar, superior and external aspect 564 Homunculus patayonicus: fifth right lower molar, superior and external aspect , 565 Proteodidelphys prcecursor: third right lower molar, external and internal aspect 566 Homunculus patayonicus : second to sixth lower molars, superior aspect 567 Lanthanotus borneensis, Open mouth of 597 Bell-bird, Carunculated, Head of 713 Zebra, Gravy's (Equus grevii) 714 Chrysichthys auratus (Teeth on palate of) 719 Chrysichthys macrops „ ,, 719 Chrysichthys walkeri „ „ 720 Chrysichthys biittikoferi „ „ 722 Chrysichthys oyowensis „ ,, 724 Chrysichthys layoensis „ „ 726 Chrysichthys persimilis : upper and lower teeth 727 Chrysichthys kinysleyce : upper and lower teeth 729 Cephalophus rufilatus, 3 > Skull of 772 Prophaethon shrubsolei, Skull of, from above 777 Propliaethon shrubsolei, Pelvis of 782 Nasalis larvatus, $ ad., Head of s . , 786 Nasalis larvatus, 3 jr., Head of 78G Hydrochairus, Brain of, dorsal view 799 Hydrochcerus, Brain of, ventral view 800 Hydrochosrus, Cerebral hemispheres of, dorsal view 801 Hydrochcerus, Brain of, inner view of hemispheres 802 Hydrochozrus, Brain of, inner view w 802 Perichceta biserialis, Spermathecal segments of 806 Trichochaita hesperidum : ventral view of anterior segment 807 Trichochcvta hesperidum : sperm-sac 808 Leiopathes expansa gig Antipathella (gracilis QOQ Spines [of Corals], Arrangement of g23 |