XVI 



LIST OF WOODCUTS. 



FIGURE 



288. Liver of human germ 



289. Nail-tissue 



290. Intestinal epithelium 



291. Jelly-like tissue 



292. Cartilaginous tissue 



293. Neuro-rnuscular cells 



294. Nerve-tissue . 



295. Muscle-tissue . . 



296. Vascular tissue 



297. Blood-cells 



298. Blood-vessels of a Worm . 



299. Head with blood-vessels 



of Fish .... 

 300-302. Arterial arches 

 303-306. „ „ 



307-310. Development of the 



heart .... 

 311-314. Development of the 



heart .... 

 315. Transverse section 



through Haliphysema . 



