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BULLETIN OF THE BUREAU OF FISHERIES 
I can give only the briefest of notes on the species of tintinnids concerned, 
though these are not hard to identify, thanks to Jprgensen’s (1899) and Brandt’s 
(1906) beautiful figures. Most of the Gulf of Maine records listed above are based 
Fig. 133. — Distribution of the tintinnid genus Cyttaroeylis in February and March, 1920. X, localities where it was, and 
O, where it was not found. The hatched curve marks its approximate western boundary at the time 
on one form or another of the highly variable Cyttaroeylis denticulata. This was 
notably the case for the rich haul off Cape Cod and for the towings off southern 
Nova Scotia in July and August, 1914, just mentioned, but the rich catch off Cape 
