\\ii M.sT 'I-' \VoolMTTS 



PAUE 



Di igraiii of tiit- <'iivul:iti<ui ol ill,- Yolk-Sa.- at tin- end of tlic Third ]>.-. 



of Incubation in the Chick. (Aftei Malf.mr. ) 



-17. 1'. kg] iin iif the Venous ('in illation in tin- I'liick :it tin- Coinineiu-enunt of 

 tl..- Fifth Uiy. After Balfour. 



218. Diagram i-f the Venous <.'iri-ul.iiic.il in the t'hick during tin- Liter 1 t:r 



Ineul.ation. (Afi'-r Billotir.) -JD 



A. B, ('. ])i:iL(i mi- c.T tin- li.-vc-l,,], mi-lit of the 1'aiivd V- - a of 

 .Manimal> Mini. i. From C, g.-nbanr. ) _;.". 



219, D. Diagram of the Chief Venous Trunks of Man. From- ; iir.) . . 

 --". Diagrammatic Section through the Human Gravid Uterus 



Ji'l. Diagram showing the TraiiMoi maiiou, of tin- Am-iii-. Arches A, in a 

 l.i.-.-ml ; JJ, in a Snake ; C, in a Uinl : aiid 1), ina .Mammal. (At 

 li'aihkc.) (Se.-n t'rom liclow.) -J77 



222. Hearts of Various Fishes A, of tin- Elammer-headed Shark Z/';/</<" 



malleus'); B, of .S'//// //'.,- </}</;*; C, of a iSi-larhian, rut ojn-n 273 



223. Diagram of the Arti-rial System of l-'isln-s -J79 



224. Diagram of the Heart aii'l liraiu'liial Vt-sst-ls of < Vratodus. (Mainly after 



J. E. V. Boas.) 280 



__'.".. Diagram of the Branchial Circulation of Protopterus 281 



226. Diagram showing tin- Course of the Blood through tin- Heart in /",-.. 



.\ and Anwra (B) 282 



227. The Arti-rial An-h.-s of tin- Larva of a Salainanl-r. (Slightly diagram- 



rnatK.) (After J. I-:. V. 1- a 283 



2'28. Arterial Aivln-s of an Adult * t r/ii,i,>i,i>tr-i i. . sh'-wii s|.ivad out. 



(Aft.T. I. K. V. Boas.) 284 



229. A, Heart of Lacerta , and i:, of a laig.- Varanus, >ho\\n eui o|..-n : 



i . l>iagram of the !.' \<\ ilian Ili.-irt ~^'' 



230A. Heart of the Swan, with the Bight Ventricle cut open 280 



230B. Transverse Section through the Right :/',/) and Left ( I'g) Vent riele of 



<;,-nx MTU /"> 286 



l-i\e liiir.-n-nt Modes of Origin nf the Civ. -it Vessels fiom the Aivli <>[' the 



Aoita in Mammals 287 



232. The Arterial s\^i^m of & ,il,m 289 



233. The Arterial System of .Emya mp>i 290 



j.: ; \. I >i i Mm of tli : n y ) < 'onn.-etioii of tin- Me-oiK-jilii-ie Ti.iniles with 



tin- S,-gm,-ntal Dud ' 



j:;ii-.. Horizontal S.^tion through an F.ml.ryo of /. .. (After M. 



I': .nii.i J'.7 



Tie Kul ire Fxeretory S\.-iem of the KinLrvo of // 



(3 inillimeiiv, long . ' Afiei E. S 298 



235. I p t MI ma tie Tianv\,-rse s-,-ti.,ns of tin- liody of a I ...\M-I- Vertebrate, to 



sho\v tin- l;--l.ition- of tie- Segnieiiial Organs. Al'!,-r HI-IIM-D.) The 



i lit ,-ide of the tiguie r,-],i. later stage than the left 'jf? 



: ' iiiiiitinu' the Delation- of tin- l-'.-male A). aid of the M.il. 

 I; jirodueti IB to the G< . U of Ue.-- iiig. m-, in the 

 High i \ ta 301 



