I.MI. 





miliiil nirface, 1 .-i-nti-uiu trnilim-nm ,,f nil.l.it, slightly roloiiriMl with ih.-lnim 



of the svDttt when- n<> lyni|ili '. Tin- >.IHM>, .-Imwing .111 intfrfasi-ic-ul;.r lyinpli rliiiniu-1 under- 



lying the eilduthuliinu, in wliicli a cajiillary l.Miipli \ri-M-liuns. c. A "stoiun" (rj. i>i>. . Obj., 4.) 







Fie. 31. rieural surface of centr..in tei.dini'uin nf nitriiit, more strongly coloured with silver, a, 

 Hues of the interstitial sul .stance i,f tin- mdothelial cells ; b. cell substance ; c. nucleus. (Oc., 3; Ohj., 5.) 



FIG. 32. The same as fig. 30, still 



oUmml. (Oc., 3; Obj., 7.) 



