°^0 



JJ> V 



TABLE XXXVI. 



Systematic Survey of the Development of the Human Intestinal System. 

 N.B. — The parts marked thus f are processes from the intestinal tube. 



Mouth-cavity 

 (Cavum oris) 



First main section 

 of the 



Intestinal 

 System : 

 the Respiratory ( 



Intestine 

 (Gill Intestine). 



Pneogaster. 



( Tractus 

 respiratorius.) 



II. 



Second main 

 section of the 



Intestinal 

 System : 



Digestive 

 Intestine 

 (Stomach Intes- 

 tine). 



Peptogastek. 



(Tractus 



digestivus.) 



4. 



Nose-cavity 

 (Cavum nasi) 



Throat-cavity 

 (Cavum pharyn- 

 gis) 



, Mouth-opening 



Lips 



Jaws 



Teeth 



Tongue 



Tongue bone 

 f Salivary glands 



Soft palate 

 \ Uvula 



/ Nose canal 

 ) f Jaw cavities 

 "j f Frontal cavities 

 (f Ethmoid cavity 



Isthmus of the throat 

 Tonsils 

 Pharynx 

 { -j- Eustachian tube 

 -j- Tympanic cavity 

 f Brain-appendage 

 V f Thyroid gland 



Lung-cavity ( T 



(Cavum pulmonis) \ T 



f Larynx 

 Windpipe 

 Lungs 



Anterior Intestine J 

 (Prosogaster) 



Gullet 



Stomach-opening 

 Stomach 

 Stomach exit 



6. Central Intestine 

 (Mesogastcr) 



1. Posterior Intestine 

 (Epigaster) 



Urinary Intestine 

 (Urogaster) 



r Gall-intestine 



f Liver 



f Pancreas 

 : Empty intestine 



(f Yelk-sac, or navel- 

 bladder) 

 V Crooked intestine 



Large intestine 

 f Blind intestine 

 f Vermiform process of 

 the ccecum 



Piectum 



Anal opening 



(f Primitive urinary sac 

 rinary tube 

 Urinary bladder 



to 



vfU 



Urocystis 



