xvin 



Pago 



Syrinx of Ba/cenicepa rex—hont view 286 



Syrinx of Balfvnicep^ re.r — posterior surface 28G 



Syrinx of Bakeuicejhs rev — lateral view 287 



Syrinx oi Balesniceps rex, to display the pessulus and membrana 



tympaniformis 287 



Tails of GuninopMhahnus quadrilineatus and Ophisaurus gracilis, with 



reproduced terminal portion 352 



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



gland 354 



Dide/pJit/s dimidiatn. Sternal frland 354 



Greg-arine from body-cavity of Pericliata novm-zelandim 357 



Trachinus draco. External Aiew of the left operenlar bone and its 



fspine obJ 



Trachinus draco. Side view of the third dorsal spine 362 



Scapula of Metriorhi/nclms 428 



Coracoid of Metriorhynchus 428 



Cervical vertebrtB of Steneosaunis 434 



Trunk vertebra of Stencosaurus 435 



Caudal vertebra of Sfeneosaurv-^ 435 



Anterior view of first sacral vertebra of Steneosaurus 435 



Head of Ilaliaetus hranichii 452 



Head of Ilaliaetus pehtgicus , , 453 



Anterior segments of Hemitidiifex ater (Clitellio ater, Clap.) 486 



Genital segments of Clitellio arenarius 491 



Cryptops inennipes 557 



Cylindrodes7nus hirsutus 559 



