Fli;. L-7. -Carotid artiry of rabbit, and parts in relation with it. c, Carotid; 

 < in, <;,r>in m^jut of hyoid IKHH: ; h, stylohyoid muscle; h. hyooglossal nerve; 

 *, sympathetic-; ,., ngaa neive; /, points to superior laryiiKeul nerve where, 

 close to its origin from the vagus, it. [MMM behind the carotid ; p, pharyngeal 

 artery; * ,, edge of sterno-mastoid muscle; t h, thyroid artery ; s t h, stenio- 

 hyoid muscle; I, laryugeal artery the nerve which crosses it is the . 

 noni ( 56). 



FIC. 2-jS. Heart of ir,,)i (after Fritm-h,-) ; front view to the left, lack \ ie 

 the right. A J, Aorta' ; r.< ..., VMM iv/nr ntptrtorei ; .(t.n, left auricle ; 



right aurit-le ; !'<,/., \entrirli'; li.nr., lin/l-nx iirti-i-inxnn : X.t:. siuii* ri'iitmiix ; ]'.r.i.. i 

 cum iiifi'i-inr ; )"./(., IV/KC Jti'/>nfi<;r : 



: The cardiograph ( 60). 



Kl(J. a.. Marey's tympanum and h-\d. a, r.c.um^ in inch tlir s*n-l ftxil nl th.- I.A.I ..rkv : it ,.,n 

 lie raised or di-prcssccl at ill, liv means i,f the little adjusting level, the I'.IIL; arm of wliieh ll 

 st.reteh backwards and slightly downwards from n.; b, tyiii|Kiniim ; ./', tul.e h> which it-- ,a\it\ ,..mni:ini- 

 cates with the cardiograph; this tube enters the tyn luiuum by a h..rix<.ntal metal tube ..it its further 

 side. 



