LIST OF THE ORGANS AND TOPICS CONSIDERED 

 IN THE TEXT, CLASSED ACCORDING TO THE 

 SYSTEMS TO WHICH THEY RELATE 



I. INTEGUMENT AND INTEGUMENTAL ORGANS 



(a) Horny Structures. 



Vibrisste (tactile hairs). 

 Primitive hairy covering (lanugo). 

 Converging hair vortices, ex. vertex 



coccygeus. 



Glabella and foveola coccygea. 

 Pseudohypertrichosis. 

 Hypertrichosis vera. 

 Nails (the fifth claw -like). 



(6) Glands. 



Montgomery's glands. 



Mammary pouches. 



Mammary line. 



Supernumerary mammary glands 

 and nipples (polymasty, polythely). 



Pectoral hair vortices (probably indi- 

 cating the former position of super- 

 numerary nipples). 



II. SKELETAL SYSTEM 



(a) Vertebral Column. 



Cauda humana. 



Os coccygis. 



Curvature of the lumbar portion of 



the spinal column. 

 Forward shifting of the sacral portion 



of the spinal column (assimilation 



of the last lumbar vertebra). 

 Numerical increase of the lumbar 



vertebrae. 

 Outgrowth of the transverse process 



of the sixth cervical vertebra. 



(6) Thorax. 



Quadrupedal form of the thorax in 

 the child, with greater dorso-sternal 

 diameter. 



Disappearance of the lumbar ribs. 



Disappearance of the cervical ribs. 



Reappearance of cervical, lumbar, and 

 sacral ribs formerly present. 



Variations in development of the 

 upper and lower ribs. 



Former greater extension of the 

 pleuroperitoneal cavity, both an- 

 teriorly and posteriorly. 



The eighth sternal rib. ^ 



Reduction of the sternal ribs to six. 



Reduction of the sternum. 



Vestiges of the episternal apparatus. 



(c) Skull. 



Post-frontal bone. 

 Os interparietale. . 

 Os prseinterparietale. 

 Processus paramastoideus. 

 Torus occipitalis. 



Suppression of the parietal process of 

 the alisphenoid. 



