326 



THE EVOLUTION OF MAN. 



ALPHABETICAL LIST 



Of the Meaning of the Letters in Plates IV. and V. 



N. B. — The skin-sensory layer is indicated by orange, the skin-fibrons 

 layer by blue, the intestinal-fibrous layer by red, and the intestinal. glandular 

 layer by green. 



a, 



ah, 



al, 



am, 



h, 



hb, 



c, 



c,. 



c„. 



ch, 



d, 



dc, 



dd, 



ds, 



e, 



f, 



9, 



h, 



hh, 



hk, 



hi, 



hr, 



hv, 



he, 



i, 

 Ic, 

 ks, 



I, 



lb, 



Ir, 



lu, 



m. 



anal opening 

 amnion-cavity 

 allantois (urine sac) 

 amnion 



ventral muscles 

 breast-bone (sternum) 

 body-cavity (coeloma) 

 breast-cavity (cavitas 'pleuroi) 

 ventral cavity (cavitas peritonei) 

 notochord (chorda) 

 intestinal tube (tradus) 

 large intestine (^colon') 

 small intestine (ileum) 

 yelk. sac (uavel-vesicle) 

 embryo or germ 

 matrix (uterus) 

 mesentery (mesenterium) 

 horn-plate (ceratina) 

 urinary vesicle (vesica wrince) 

 ventricle of heart 

 left (arterial) heart 

 right (venous) heart 

 auricle (atri^cm) 

 heart (cor) 



gall-bladder (vesica fellea) 

 germ-glands (sexual glands) 

 gill-openings (throat-openings) 

 leather-plate (corium) 

 liver (hepar) 

 windpipe (trachea) 

 lung (pulmo) 



medullary tube (tubus medul- 

 laris) 



mj — wij, the five brain. bladders 

 m-, , fore-brain 



m„, 



m. 



twixt -brain 

 13, mid-brain 



"it 



hind-brain 



mj, after- brain 



«tg, spinal cord (medulla spinalis) 



nid, milk-glands (mammce) 



mg, stomach 



mh, mouth-cavity 



onp, muscle-plate (muscularis) 



n, principal veins 



0, month-opening (osculum) 



p, ventral salivary gland (pancreas) 



q, organ of sense 



r, muscles of the back 



rp, ribs (costoe) 



s, skull (craniti-m) 



sb, OS pubis 



sh, throat-cavity (pharynx) 



sr, gullet (oesophagus) 



t, aorta (main artery) 



u, primitive kidney (proton ephrori) 



WW, embryonic vertebra (metameron) 



V, intestinal vein (primitive vein) 



r;7, vagina AJ| 



w, vertebra ?■ 



wb, vertebral arches 



ick, vertebral bodies * 



X, legs, or limbs 



y, space between the amnion and 



the yelk-sac 

 z, midriff (diaphragma) 



