562 CIRCULAR LETTER OF THE 



sale abroad ; useful machines for abridging labour, and improving 

 manufactures. 



15. The state of the highways; common and turnpike roads, and 

 bridges ; harbours, ferries, banks, villages, towns and cities, and their 

 police. 



16. Trade and commerce ; quantity, and kinds of foreign articles 

 consumed ; amount of exports and imports ; the history and state of 

 boat and ship building ; the number of boat-men and seamen, and of 

 ships and vessels of different kinds. 



17. Fisheries : the kinds, quantity, and value of fish ; the mode of 

 curing and taking them, and the market ; an account of the different 

 species of fishes in streams, rivers, ponds, lakes, and salt water. 



18. Wild animals now, or hereafter known; their increase or de- 

 crease, and the cause ; serpents, tortoises, and other amphibious 

 animals ; quadrupeds, insects, or bones of the animal called the mam- 

 moth, or of any other unknown animals. 



19. An account of birds, whether migrating or resident ; the periods 

 of their arrival and departure ; their habitudes and uses. 



20. Natural history of plants, and their kinds, whether noxious or 

 useful, native or naturalized ; time of introduction ; their progress, 

 qualities, and diseases, and the best mode of extirpating those which are 

 injurious. 



21. Climate : the effect of clearing and cultivation on climate ; me- 

 teorological observations ; marriages and births ; bills of mortality ; 

 longevity ; histories of epidemic maladies ; diseases among men and 

 other animals ; crimes, suicide. 



22. The state of the learned professions ; of morals ; of religion, 

 and of learning ; the number of academies and schools, how support- 

 ed, and the mode of instruction ; charitable institutions ; humane and 

 literary associations ; improvements in arts and sciences ; inventors of 



