SOCIETY OF THE UNIVERSITY OF ABERDEEN. 19 



manubrium stevni to become lost in the deep fascia below the hyoid 

 bone. The absence of these muscles is in no way compensated for 

 by the development of the other muscles. The omo-hyoid and sterno- 

 thyroid muscles are poorly developed. 



(Signature of observer) N. J. CALDER. 



Date of observation, November, 1906. 

 Sex, Male. 



Presence of a pyramidal lobe in the thyroid body. 



The pyramid arises from the junction of the right lateral lobe 

 with the isthmus and is conical in shape. A few muscular bands con- 

 nect this pyramid with the hyoid bone and together form the muscle, 

 named by Sommerring, levator glandulae thyroideae. The muscle is 

 attached above to the body of the hyoid bone and below to the pointed 

 extremity of the pyramid ; it is enclosed in fascia and has rather a 

 tendinous appearance. 



(Signature of observer) N. J. CALDER. 



Date of observation, November, 1906. 

 Sex, Male. 



Groove on liver. 



The liver has a distinct groove, running from its upper to its an- 

 terior surface, parallel with the mid line of the body. Its greatest 

 depth is 1 cm. and its length is 6 cm. There is no corresponding 

 mark on the diaphragm. 



(Signature of observer) ALEX. M. GEDDES. 



Date of observation, November, 1906. 

 Sex, Male. 



High division of great sciatic nerve. 



The pyriformis is composed of two parts which unite and are in- 

 serted by one tendon. The great sciatic nerve is also divided into 

 two, one part coming between the two heads of the pyriformis and 



