192 



Part III. — Twentij-first Annual Report 





Deep Water. 



Moray Firth and Aberdeen Bay. 



Cm. 



May. 



Sept. 



Oct. 



May- 

 June. 



June- 

 July. 



July- 

 Aug. 



Sept. 



Nov. 



Dec. 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 



1 



1 



3 



3 

 2 

 10 

 \ 



1 

 1 



"l 

 ""2 





"2 

 1 



"3 

 2 

 1 

 3 



"1 

 1 



3 

 4 





2 

 4 

 10 



4 



K 

 t) 



2 

 3 



2 

 3 

 1 





23 

 24 

 25 



1 

 \ 



3 



3 





3 

 2 



4 

 7 



10 





1 



2 



"1 



26 











\ 



/ 



]^ 



2 





27 



28 

 29 



1 

 "l 



2 



"2 



"1 



2 



2 

 3 

 1 



3 

 7 

 7 



"1 

 2 



4 

 2 

 1 





30 

 31 



1 



4 







"1 





2 

 1 



2 

 1 



5 

 2 



1 

 2 



32 

 33 



1 



2 







"2 





1 



3 



1 



2 



4 

 1 



"1 



34 

 35 

 36 

 37 

 38 

 39 

 40 



o 



■■'l 



"1 



1 



2 

 1 



"1 

 1 



3 



2 



2 

 1 

 2 

 2 

 2 



1 

 3 

 2 

 2 

 2 

 2 



"2 

 1 

 2 



1 



4 

 5 



2 

 1 



"1 

 1 

 2 



"1 



]^ 



41 

 42 

 43 

 44 

 45 

 46 

 47 

 48 

 49 



"l 





"1 



1 



1 

 1 

 1 

 2 

 1 



"'2 

 "1 



8 

 6 

 6 

 4 



"2 

 2 

 1 

 1 



"1 



"2 

 1 



"1 



"1 

 1 

 1 

 1 



'"2 



50 

 51 

 52 

 53 



0* 



55 

 56 

 57 

 58 

 59 

 60 









'■'1 



"1 



"1 



"1 

 1 



"1 



"l 



"2 

 1 





"1 

 3 



"1 



"1 

 1 



"l 

 "1 



In most cases, owing to the paucity of specimens, the distinction 

 between the groups is not very sharp, even when grouped in -5 cm. and 

 graphically exhibited, but still it appears fairly certain that there are three 

 annual series or generations represented in the Table. Taking the first 

 series in November, it begins at 127 mm. and extends apparently to 



