LIST OF ILLUSTRATIONS. 
FIG. 
395. Segmentation of rabbit’s ovum—after Van Beneden : 
396. Development of hedgehog. Three early sists alist 
Hubrecht 
397. Embryo of Perameles with its foetal membranes—after Hill” 
398. Two stages in segmented ovum of hedgehog—after Hubrecht 
399. Development of foetal membranes—after Hertwig . - 
400, Diagram of foetal membranes—after Turner FA 
401, View of embryo, with its foetal membranes—after Kennel . 
402. Pectoral girdle of Echidna . . : : : 
403. Pelvis of Echidna . q : 4 . : 
404. Lower jaw of kangaroo 5 é : 
405. Foot of young kangaroo. 
406. Side view of sheep’s skull, with roots of back teeth exposed 
407. Stomach of sheep—from Leunis a‘ ‘ ‘ ‘ 
408. Side view of lower part of pony’s fore-leg . z 5 
409. Side view of ankle and foot of horse . . 
410. Side view of horse’s skull, roots of teeth exposed . . 
411. Feet of horse and its predecessors—from Neumayr - 
412. Left fore-limb of Balenoptera . 
413. Fore-limb of whale (Afegaptera longimana)—alter Struthers 
414. Pelvis and hind-limb of Greenland whale alee eas 
Struthers 7 
415. Vertebra, rib, and sternum of Balenoptera—from specimen 
in Anatomical Museum, Edinburgh . . . 
416. Skull of tiger, lateral view . * : i 2 
417. Lower surface of dog's skull 3 : . 
418. Skull of Orang-Utan . F . . . 
419. Skull of gorilla ; . ‘ A , j 
420. Skeleton of male gorilla . . , . . 
