XXIV 



Page 



Cephalomys prorsus : last right lower molar, superior aspect 560 



Deuterotheriitm distkhum : tifth right lower molar, superior and 



external aspect 561 



Morphippus imhricatus : fifth right lower molar, superior aspect . . 662 

 Morphippus wibricatus : fifth right lower molar of adult, superior 



aspect , 563 



Noiohippus toxodontoides : fifth right lower molar, superior aspect . . 563 



Equus caballus, Crown ol' 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 



Pitheeulus australis : fifth right lower molar, superior and external 



aspect 564 



Iloinunculus patac/onicus : fifth right lower molar, superior and 



external aspect 665 



Proteodidelphys prcecursor : third right lower molar, external and 



internal aspect 566 



Homunculus patagonitus : second to sixth lower molars, superior 



aspect 567 



Lanthanotus borneensis, Open mouth of 597 



Bell-bird, Carunculated, Head of 713 



Zebra, Grclvy's (Equus grevii) 714 



Chrysichthys auvatus (Teeth on palate of) 719 



Chrysichthys macrops „ „ 719 



Chrysichthys xocdkeri „ „ 720 



Clirydchthys huttikoferi „ ,, 722 



Chrysichthys oyoioensis „ ,, 724 



Chrysichthys lagoensis „ „ 726 



Chrysichthys persimilis : upper and lower teeth 727 



Chrysichthys Mngsleyce : upper and lower teeth 729 



Cephalophus rufilatus, (S , Skull of 772 



Prophaethon shrubsolei, Skull of, from above 777 



Prophaethon shrubsolei, Pelvis of 782 



Nasalis larvatus, § ad.. Head of 786 



Nasalis larvatus, S ji'-, Head of 786 



Hydrochoerus, Brain of, dorsal view 799 



Hydrochcerus, Brain of, ventral view 800 



HydrochcBrus, Cerebral hemispheres of, dorsal view 801 



Hydrochoerus, Brain of, inner view of hemispheres 802 



Hydrochcertis, Brain of, inner view 802 



Perichceta biserialis, Spermathecal segments of 806 



Trichochceta hesperidum :, ventral view of anterior segment 807 



TrichochcBta hesperidum : sperm-sac 808 



Leiopathes eapansa 818 



Antiimthella gracilis 820 



Spines [of Corals], Arrangement of 823 



