NORTH ATLANTIC PLANKTON. 55 



Microniscus calani. 

 Sagitta sp. 

 Zoea of Crab. 

 Leptocephalids. 

 Copepoda : — 



Calanus finmarchicus (common). 



Pseudocalanus elongatus (common). 



Eurytemora affinis (few). 



E. herdmani, n. sp. (common). 



Acartia longiremis (few). 



A. clausii (common). 



A. denticornis (rare). 



A. for rip a ta , n . sp . ( r are) . 



Euchceta marina (few). 



Temora longicomis (few). 



Ectinosoma sarsii (rare). 



Oitkona spinifrons (few). 



Homeward Journey — Quebec to Liverpool. 



In addition to the nets on the overflow pipe and on the 

 tap as before, a fine silk net was now placed on the tap 

 in the bathroom, which was to be worked intermittently. 

 The bath gatherings are labelled A, B, C, &c. 



I. September 26th, 9 a.m. to 6 p.m. From Quebec 

 down the St. Lawrence to 30 miles west of Rimouski. 

 Much fine mud with many Cosrinodiscus radiatus; also : — 



Geratium tripos. 



Chydorus sphcericus. 



Bosmina longirostris. 

 Copepoda a few, including: — - 



Calanus finmarchicus (common). 



Pleuromma abdominale (few). 



Oitlwna spinifrons (few). 



