Geographical Distribution of Butterflies in Gt. Britain. 487 



4. Ouse: Suffolk, Norfolk, Cambridge, Bedford, Huntingdon, North- 



ampton. 



5. Severn: Gloucester, Worcester, Warwick, Stafford, Salop, Hereford, 



Monmouth. 



6. South Wales : Glamorgan, Caermarthen, Pembroke, Cardigan, 



Brecon, Radnor. 



7- North Wales : Montgomery, Merioneth, Caernarvon, Denbigh, 

 Flint, Anglesea. 



8. Trent : Leicester, Rutland, Lincoln, Notts, Derby. 



9. Mersey : Cheshire, Lancashire. 



10. Humber : York. 



11. Tyne: Durham, Northumberland. 



12. Lakes: Westmoreland, Cumberland (Isle of Man). 



13. West Lowlands : Dumfries, Kirkcudbright, Wigton, Ayr, Lanark, 



Renfrew. 



14. East Lowlands : Berwick, Roxburgh, Peebles, Selkirk, Hadding- 



ton, Edinburgh, Linlithgow. 



15. East Highlands: Fife, Kinross, Clackmannan, Stirling, Perth, 



Forfar, Kincardine, Aberdeen, Banff, Moray (including Nairn, 

 Elgin, and the North-east of Inverness). 



16. West Highlands : Dumbarton, Argyle, Inverness, westward of p. 6020, 



Loch Erricht, Isles adjacent, from Arran to Skye. 



17. North Highlands : Ross, Cromarty, Sutherland, and Caithness. 



1 8. North Isles : Hebrides, Orkney, Shetland. 



It is with these provinces alone that the present paper has to do, and 

 no attempt has been made to work out an estimate of the counties, or 

 the latitude or altitude to which the various species are confined, there 

 being at present no sufficient materials for the purpose. 



Pafiilio Machaon. Area * 2 * 4. Marshes, local. A handsome 

 insect, frequently bred in numbers, and therefore occasionally 

 taken on the wing in various localities. (*) 



Pieris Cratcegi. Area i, 2, 3, 4, 5. Woods and forests, local. 



P. Brassicce.hxz&, i, 2, 3, 4, 5 * 7, 8, 9, 10, n, 12, 13, 14, 15, 16. This 

 and the two following species seem attached to cultivated land, and 

 are probably common everywhere. Mr. Buxton says that he saw 

 white butterflies in Sutherland (17), but did not notice the species.f 



P. Rapa.hxzz., i, 2, 3, 4, 5 * 7, 8, 9, 10, n, 12, 13, 14, 15, 16. 



P. Nai. Area, i, 2,3, 4, 5 * 7, 8, 9, 10, n, 12, 13, 14, 15, 16. 



P. Daplidice.Ki^^ * [2] 3, 4, 5. Staintorts Manual.} 



* P. Machaon. Wicken Fen, Yaxley and Whittlesea Mere, Ashford in Kent, 

 t P. rassica.Add Shetland Prov. 18, W. D. Crotch. 



J P. Daplidice.K&& Prov. 2 Brighton (Newman); Hampshire (Mr. Richards). 

 Coleman gives also Dover, Lewes, Whittlesea, Worcester, and Bristol (p. 67). 



