Though the city has specialities of jewelry, carpets, modelling in pith, &c., there are no large industries.
The Eolid-like Nudibranchs, amongst other specialities of structure, possess (in some cases at any rate) apertures at the apices of the " cerata " or dorsal papillae, which lead from the exterior into the hepatic caeca.
Among the specialities of Bologna may be noted the salami or mortadella (Bologna sausage), tortellini (a kind of macaroni) and liqueurs.
Hot and mineral springs may be almost said to constitute one of the specialities of Tunisia.
In the religious world the Seventh-Day Adventists (who are connected with many sanatoria and the manufacture of food specialities) and some Bible Christians, the worshippers of Vishnu and the Swami Narang and Vishnoi sects, amongst others, preach abstinence from flesh food.