PLANKTON OF THE GULF OF MAINE 



311 



The most abundant congregation of 8. elegans so far encountered in the gulf 

 was approximately 5,000 per square meter (young stages) over the outer part of the 

 shelf off Nantucket on July 25, 1916 (Station 10354). S. elegans is far less abundant 

 along the coast of Maine east of Cape Elizabeth, and off western Nova Scotia it is 

 often so rare that the vertical nets failed to take it, though it might occur in the 

 horizontal hauls. It is frequently as numerous as 50 per square meter in the Bay of 

 Fundy, however, as Huntsman and Reid (1921) have pointed out, 



Approximate numbers of individuals of Sagitta elegans per square meter of sea surface, based on the 



catches of the vertical nets 



Station 



10213.. 



10214- - 



10215.. 



10216- - 



10219.. 



10223.. 



10224.. 



10225- - 



10226 -. 



10227. . 



10229. . 



10230- . 



10243.. 



10244.. 



10245. - 



10246- . 



10247- . 



10248- . 



10249. . 



10250- . 



10253. . 



10255. . 



10266. . 



10267.. 



10269- . 



10270. . 



10271. . 



10272- . 



10278- . 



10279. . 



10282. . 



10283. . 



10284. 



10286- . 



10287- 



10288 



10290- 



10291. 



10296. . 



10298- 



10299. 



10303- 



10304- 



10306. 



10307. 



10309. 



10310. 



10311- 



10313. 



10315- 



10316. 



10318. 



10319- 



10320- 



10321. 



10323- 



10324. 



10325. 



10326. 



10327. 



10328. 



Date 



Number 



July 19,1914 

 — .do 



July 20,1914 

 ....do 



July 21,1914 

 July 23,1914 



....do 



..-.do.- 



July 24,1914 



....do 



July 25,1914 



do 



Aug. 11,1914 

 Aug. 12,1914 



do 



do 



do.. 



Aug. 13,1914 



do 



Aug. 14, 1914 

 22, 1914 

 23,1914 

 4, 1915 

 5, 1915 

 6,1915 

 do 



May 7,1915 

 May 10,1915 

 May 14, 1915 

 May 26,1915 

 June 10,1915 



....do 



June 11,1915 

 June 14, 1915 



....do 



June 19, 1915 



....do. 



June 23,1915 

 June 24,1915 

 June 25,1915 

 June 26,1915 

 July 7, 1915 

 Aug. 7, 1915 

 Aug. 31,1915 



do 



Sept. 1,1915 

 Sept. 2, 1915 



do 



Sept. 6,1915 



Aug. 

 Aug. 

 May 

 May 

 May 



Station 



Sept. 

 Sept. 

 Sept. 

 Sept. 

 Sept. 



7, 1915 

 11,1915 

 16, 1915 

 20, 1915 

 29, 1915 



do 



Oct. 1, 1915 



— .do 



Oct. 4, 1915 



--.40 



Oct. 9, 1915 

 ....do 



10 



10 



860 



20 



170 



2,000 



260 



260 



50 



1,340 



2,140 



70 



40 



10 



20 











10 



10 



50 



30 



10 







10 



15 



40 



25 



5 











5 







10 







20 



20 



585 







5 







70 



25 



15 



10 



25 







20 



15 



410 



10 



15 



455 



130 



145 



45 



130 



115 



5 



5 



25 



Date 



Number 



230 



10 







100 



385 



2,500 



1, 750 



00 



810 



445 



2,500 



470 



5,000 



65 



50 



30 



25 



15 



50 



6 



6 



15 







204 



5 



50 



150 











180 



50 



150 



60 



10 



5 







10 



40 







65 



50 



5 



50 



20 



10 



10 



490 



85 



10 



5 



20 



15 



90 











20 



100 



95 



5 



1,000 



100 



