I2Q8 OYSTERS, AND ALL ABOUT THEM. 



Dextrine (from Dexter, Lat. the right hand) the soluble matter into 

 which the interior substance of starch globules is convertible by 

 acids or diastase, so called because when viewed by polarized light 

 it has the property of turning the plane of polarization to the right, 



Dialysis, the process of separating the crystalloid or poisonous ingredi- 



ents in a substance from the colloid or harmless ingredients, 95. 

 Diana, The ss., 890. 

 Diastase, a peculiar substance generated during the germination of 



grain, one part of which is potent enough to convert 2,000 of starch 



first into Dextrine and then into sugar, 329. 

 Diastole, the dilation of the heart, auricles, and ventricles ; opposed to 



systole, or contraction, 160. 

 Diatoms (Gr. diet, through, and tome, cutting) minute vegetable organ- 



isms with silicious coverings, 156, 1161. 

 Diatomacae, 1059. 

 Dibdin, 249. 

 Dieppe. 274. 



Dietaiy, English, extremely conservative, 306. 

 Dietetic Gazette, The. cited 328, 329. 



Difference between the Oyster Industry of Europe and America, 870. 

 Digestion, Guide to. 329-31. 

 Dilnot, Mr., 1157, 1230. 

 Dimyaiia, 139, 157, 97> et seq. 

 "Direct" American Oysters, 335. 

 Distribution, 195. 

 Dives, The oyster bed of, 512. 



Oysters from, reared at La Hougue, 520. 

 Dodecaceraea concharum, a greenish-brown worm, armed with bristles, 



and bearing twelve large tentacles upon its neck, found in the spaces 



between the layers of the shell in old oysters, 1058. 

 Dogwhelks, 124, 232. 

 Dogger Bank, The, 349. 

 Dohrn, Dr., 1133. 

 Domesday Book, reference therein to Emsworth oyster beds, 342, 343 , 



and to Hayling Island, 342, 343. 

 Donibristle Fishery Order, The, 416. 



The Earl of Moray and Mr. Anderson in connection with, 416, 417. 



