XTIU 



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Syrinx of Balceniceps rex — front view 286 



Syrinx of Balceniceps rex — posterior surface 280 



Syrinx of Balce^dcejis rex — lateral view 287 



Syrinx oi Balmniceps rex, to display the pessulus and membrana 



tympaniformis 287 



Tails of Gjimnophthahmts quadrilineatus and Ophisato-iis gracilis, witli 



reproduced terminal portion 352 



Diilelphys dimidinta. Ventral view of head and neck, to show sternal 



gland 354 



Didelphys dimidiaUi. Sternal gland 354 



Gregarine from hody-cavity of Ferichata nova-zelandiee 357 



Trachinus draco. External view of the left opercular bone and its 



spine 362 



Trachinus draco. Side view of the third dorsal spine 362 



Scapula of Metriorhynchns 428 



Coracoid of Metriorhynclms 428 



Cervical vertebrse of Steneosanrus 434 



Trimk vertebra of Siencosaurus 435 



Caudal vertebra of Steneosaurui 435 



Anterior view of first sacral vertebra of Steneosaurus 435 



Head of Haliaetus branichii 452 



Head of Haliaetus pelagicus , 453 



Anterior segments of Hemituhifex ater {Clitellio ater, Clap.) 486 



Genital segments of Clitellio arenarixis 491 



Cryptops inermipes . , , 557 



Cylindrodestnus hirsutus 559 



