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Part III. — Twenty-seventh Annual Report 



Crustacea at this station ; there was also, apparently, a fairly uniform 

 distribution of these organisms at the various depths at which the hauls 

 were made. The gatherings were, as usual, from 15, 30, 45, 60, and 75 

 fathoms, and measur ed respectively 27, 17, 23, 29, and 42 c.c.'s. The 

 contents of the several gatherings consisted mainly of Calanus, but a few 

 other species were observed, and also some larval Decapoda and Sagitta ; 

 these were, however, only sparingly represented. 



September. — The next series of gatherings from this station were 

 collected in September. They consisted almost entirely of Calanus, which 

 appeared to be very unevenly distributed. The haul from 15 fathoms 

 measured less than 1 c.c, and that from 30 fathoms only 1*5 c.c.'s, while 

 the other three measured respectively 21, 80, and 170 c.c.'s. These two 

 deep-water hauls are larger than any of the others from this station 

 collected at the same depths. 



October. — The October gatherings, from 15, 30, and 45 fathoms, were 

 nearly blank, as also were those from 60 and 75 fathoms. They contained 

 only a small number of Calanus, a few Pseudocalanus and Acartia, and one 

 or two other common forms. 



1908. 



June. — The series of gatherings collected in June 1908 appeared to 

 indicate that the pelagic Crustacea at this station were somewhat similar in 

 numbers and distribution to what they were during the same month both 

 in 1905 and 1906, as shown by the gatherings then collected. No doubt 

 certain differences are revealed when the figures given below are compared 

 with those for the years mentioned, but the changes noticed may easily be 

 accounted for by local movements among the pelagic forms referred to. 

 The present gatherings were from 15, 30, 45, 60, and 80 fathoms, and 

 measured respectively 6"5, 10, 11, 22 5, and 41 c.c.'s. 



August. — The August gatherings, compared with those collected in 

 June, showed that in the interval a considerable falling off in the number 

 of pelagic organisms had apparently taken place. The hauls from 15 and 

 30 fathoms measured each 35 c.c.'s, that from 45 fathoms measured 

 6*5 c.c.'s, and that from 60 fathoms 19 c.c.'s. The bottom gathering 

 measured only 10 c.c.'s. 



Station II. (between Maol Dubh Point and Kilfinan Bay). 



About one hundred gatherings were collected at this station during the 

 four years. Twenty-nine were collected in 1905, nineteen in 1906, 

 twenty-nine in 1907, and twenty-three in 1908, and are briefly described 

 below. 



1905. 



January. — Four vertical hauls were collected in January — one from 15, 

 30, and 50 fathoms, and one from the bottom. They showed that though 

 pelagic Crustacea were apparently scarce towards the surface they were 

 fairly plentiful near the bottom. The gathering from 15 fathoms 

 measured less than 1 c.c, and that from 30 fathoms about 5'5 c.c.'s, 

 while the other two measured respectively 11 and 60 c.c.'s. The four 

 horizontal hauls collected at the same time, though larger in quantity, 

 indicate a somewhat similar distribution of pelagic organisms to that 

 described. A gathering taken at the surface measured 2 5 c.c.'s; others 

 collected at 15 and 45 fathoms and near the bottom measured respectively 

 120, 162, and 192 c.c.'s. 



March, — Pelagic Crustacea were apparently very scarce in March, 



