1H76.] MUCOUS MEMBRANE IN KANGAROOS. ]77 



about 260 diameters. ,>, ueck, m, middle part, b, fundus, o orifices of 



noufhToMhetk'T'' 'P'""'^"" f ^."^^ ^"••''^- continued 1:^0 the 

 cut across ^ ' '"•'"' '""^"^^^'^'-'^ '^"C"^*; ", ^ blood-vessels 



^'^' ^" ^"llr^!.?^ "''"°'' .°^ P'r* °^ « lymphoid patch, from the stomach of 



IZ^oZT'"'7'' '^'"'''''^ '^''' °^' the tubular glands. ZZiBed 



liuuf o"f the '^.Irf "' ^' °"fi°<'^°^ the glands ; I cohunuar fpithe 



lium ot the surface; », neck, w, midcUe part, b, base or fundus of the 



glands ; «.,;,, museularis mucos.B ; s.m, submucosa ; / i, lymphoid tissue 



Mp«s /^c^'/w.a). Magmfied about GO diameters, i^, foUicle- d de- 

 pression or pit m the mucosa over the follicle; o Ss' of the 

 mucosa with lymphoid tissue between them and kt^iefr base « ,« 

 muscular,s mucos* ; ..., submucous areolar tissue with ymptoid t ssue 

 near musculans mucosae ; l.s, lymphatic sinus at base of^foSi^Te 



Fig. 4 



Plate X. 



Fig. 5. Vertical section of mucous membrane of second region of stomach near 



. Maintdlb^Sl'df '^"r^""^' ^'^T'"^" ^'^ °^ '""^ tlulTrtlanr 

 ma^ninecl about I60 diameters, c, columnar epithelium of the sur- 



ga':^ular%^su:"f° 1'^^'-'"'^^' '' ^l^-Pl^atic^essels in'^the int^r- 

 giauauiar tissue ot the mucous membrane; «', m' bundles of nlain 

 niusculart.ssue passmg up between the bases o the gknds ^^0^9 

 Pi;. R m».scular,s mucosa", which is not represented in this figure 



'■ 1:S "Srnified "b? t Vo'- 'P''' '^^'^'^ ''' stomach (";>...^«-. /..- 

 (iwi,a). iviagmtied about bO diameters, p, part of the elands which 



Plate XI. 



^'^" ^' "J-eSn Khf I'"" Z"?!'/"" ^''"^''^ ^^"^ -^««-I -^t'ion of peptic 

 legion ol the stomach {Dorcopm Ivctmsa). Magnified about ?fiO 



K. 8 Horontd sec^io^r;^"';^''^^ '^. ^. central oi- adelou^oipt us cs^^^^ 



F,g. 9. Base or fundus of one of the peptic glandl seen to Se occupied entirely 

 by Uie angular central ceUs ^Dorcopsis). Magnified about So dS 



^^- '^- \7SZTViL^: of demarkation between the second and third 

 S about fioflt. 'T "^^"ibrane {Borcopsis luctuo.a). ^l^.. 



fmu^or^m^e^itro^^hSd^^^^^^^^ 



the junction between the second a^d^ thir^region^s -1; pZHrthe 



logwood-dL^'- Vs^G V8%^™'"iP[nPr^"°"' ^^'"'^ ^«<i ''^^^ ''°l°"'-ed with 



In figs. 6 and io the oudif;, ;f H \ ^T ''°''?^ ^*^''"''^ "''^'^ ''"ili"^ blue. 

 S ana iu tiie outlines of the glands are only roughly indicated. 



Proc. Zool. Soc— 18;6, No. XII. 



12 



