XXIV 



Cephalomys prorsus : last right lower tuolav, superiov aspect 5G0 



Denterotherium dist.ichum : fifth right lower UKjlar, supurior and 



external aspect 601 



Morp/iippus imhricatus : fifth riglit lower molar, superior aspect . . 662 

 Morplrqjpus imhricatus : fifth right lower molar of adult, superior 



aspect , 563 



yot.ohippus tu.vodont.oides : fifth right lower molar, superior aspect . . 563 



Equus cfthallus, Crown oi' homologous tooth of existing 663 



Archfeopkiliis patrius : fifth right lower molar, unworn and worn, 



superior aspect 663 



Notopitliecus fosxulatus : fifth right lower molar, slightly worn, 



external and superior asjject 664 



Pithecuhis australis : fifth right lower molar, superior and external 



aspect 504 



Homuncidus patagonims: fifth right lower molar, superior and 



external aspect 565 



Pfofeodidelphys prcecursor : third right lower molar, external and 



internal aspect 566 



Homuncidus patacjonicxis : second to sixth lower molars, superior 



aspect 567 



Lanthanotus bnrjieensis, Open mouth of _ 697 



Bell-bird, Carunculated, Head of 713 



Zebra, Grevy's {Equns greini) 714 



Chysichthys auratus (Teeth on palate of) ; . . 719 



Chrysichthys macrops „ ,, 719 



Clirysichthys loalheri ,, ,, 720 



Chrydchthys liiittikoferi ,, ,, 722 



Chrysichthys oyowensis „ ,, 724 



Chrysichthys lagoensis „ „ 726 



Chrysichthys p)ersimilis : upper and lower teeth 727 



Chrysichthys kingsleyce : upper and lower teeth 729 



Cephalojjhus rufilcdus, ^ , Skull of 772 



Prophuethon shrubsolei, Skull of, from above 777 



Pi-opihaethon shrubsolei, Pelvis of 782 



Nasalis larvatus, $ ad., Head of . . 780 



Nascdis larvatus, (S jr., Head of 780 



Hydrochccrus, Brain of, dorsal view 799 



Hydrochcerus, Brain of, ventral view 800 



Jlydrochccrus, Cerebral hemispheres of, dorsal view 801 



Ilydrochcerus, Brain of, inner view of hemispheres 802 



Hydrocharus, Brain of, in'ier view 802 



Perichata bisericdis, Spermathecal segments of 806 



Trichocheeta hesperidum : ventral view of anterior segment 807 



Trichochceta hesjyeridum : sperm-sac 808 



Lcitpathes eapansa 818 



Antipathella gracilis 820 



Spines [of Corals], Arrangement of 823 



