Richardson, H. D., on jaw-appendages in Irish pigs, i. 76;
management of pigs in China, i. 68;
occurrence of striped young in Westphalian pigs, i. 76;
on crossing pigs, ii. [95];
on interbreeding pigs, ii. [122];
on selection in pigs, ii. [194].
Richardson, Sir John, observations on the resemblance between North American dogs and wolves, i. 21-22;
on the burrowing of wolves, i. 27;
on the broad feet of dogs, wolves, and foxes in North America, i. 40;
on North American horses scraping away the snow, i. 53.