456 ALIMENTARY CANAL, ETC., OF AMIURUS CATUS, 
PLATE Wil: 
Eigs. 1-12 are from Amiurus catus ; Fig. 13, from A. nigricans. 
Fic. 1.—Epithelium of the mucous membrane of the mouth, the section 
being from near the tongue; a, a clavate cell; b, slime cells. 
Magnified about 400 diameters. 
Fig. 2.—A transverse section of the wall of the cesophagus showing the 
arrangement of its coats. Low power. 
Fie. 3.—Superficial epithelium of cesophagus isolated by maceration in a 
mixture of serum and Miiller’s fluid. Magnitfed 440. 
Fig. 4.—Epithelium and glands of the stomach, hardened in Miiller’s fluid. 
Magnified 235. 
Fie. 5.—A peptic gland of young cat-fish four hours after swallowing food, 
Treated with osmic acid and alcohol. Magnified 590. 
Fie. 6.—Superficial epithelium of pylorus ; a, crypt forming one of the so- 
called pyloric glands. Hardened in Miiller’s fluid. Magnified 235. 
Fig. 7.—A transverse section of the wall of the midgut showing the various 
coats ; s, the serosa ; mo, the outer or longitudinal muscular coat ; 
mi, the inner circular layer of muscle fibres ; sm, the submucosa ; 
mm, muscularis mucose ; m, the mucosa. Low power. 
Fig. 8.—Superficial epithelium of the midgut isolated fresh in serum, Oc. 4, 
Imm, obj. H, Zeiss. 
Fig. 9.—Fresh epithelium of endgut teased out in serum. Oc. 4, obj. H, 
Zeiss. : 
F1a. 10.—A portion of a section of the liver showing the radial capillaries cut 
transversely ; yc, gall capillary filled with indigocarmine by natu- 
ral method, and shown here by the broad black line ; rv, radial 
vessels of the lobule ; gt, a hepatic cylinder surrounded by the rad- 
ials and their transverse branches, with the gall capillary in the 
centre. Magnitied 590. 
Fre. 11.—A section of a smaller division of the portal canal; V.P., interlobu- 
lar veins; gd, gall ductlets ; ha, hepatic artery ; pt, pancreatic 
tubules. Magnitied 440. 
Fie. 12.—A pancreatic tubule showing the condition some time after food is 
taken. Magnified 590. 
Fic. 13.—Diagram showing the relation of the gall-bladder and duct to the 
pancreatic duct ; dhc, hepato-cystic ducts ; dp, pancreatic duct ; 
dc, ductus choledochus. 
