492 Mr. H. Jenner Fust ow the 



Explanation of Table III. 



This Table may be considered as in some measure a 

 combination of Tables V. and VI. in the fourth volume 

 of the " Cybele Britannica.^^ 



1 . Longitude.- — In the first column the letters " w " and 



" e" stand for West and East Britain. 

 Bast Britain contains sub-provinces — 

 5, 6, 7, 8, 9, 10, 11, 12, 19, 20, 22, 23, 24, 28, 29, 30, 31. 



West Britain includes sub-provinces — 

 1, 2, 3, 4, 13, 14, 15, 16, 17, 18, 21, 25, 26, 27, 32, 33, 



34, 35, 36, 37, 38. 

 A third letter, " i," has been prefijced, in order to show 

 the species which extend westward into Ireland. 



2. Latitude. — In the second column the letters "s m n" 

 stand for Soutli, Middle, and North ; the three latitudinal 

 divisions of Britain. 



South Britain includes sub-provinces . 1 — 18 



Mid Britain 19—28 



North Britain 29—38 



3. The third column, with the head-letters, s. and N., 

 shows the number of sub-provinces for South Britain, 

 as distinguished from Middle and North Britain, the two 

 latter being taken together. In this column — • 



South Britain includes sub-provinces . 1 — 19 

 North and Mid Britain . . . 20—38 



4. The fourth column, with the head-letters "w.sc.e.-" 

 shows the number of sub-provinces for Scotland in con- 

 trast ag-ainst EnQ-Jand, and the western and eastern sides 

 of England also in contrast against each other. The 

 Scottish sub-provinces being removed, the western and 

 eastern divisions will be the same as in the first column ; 

 the western division having twelve, and the eastern thir- 

 teen sub-provinces. 



5. The fifth column contains the Geographic types. 

 Mr. Watson uses eight types, which may be thus ex- 

 plained — ■ 



(1.) British Type includes species found in all or 

 nearly all the eighteen provinces, which are not so ex- 

 clusively prevalent or predominant in any particular por- 

 tion of the island, as to bring them clearly within one or 

 other of the following types. 



(2.) Englisli Type, — species having their chief preva- 

 lence in the southern provinces of England, whence they 



