174 MEMOIRS OF THE UNIVERSITY OF CALIFORNIA 



G. nasutum (Stein) Levander (1900) to Hcmidinium by us in this paper. 



G. noctiluca Poucliet (1885a) to Noctiluca miliaris by us in this paper. 



G. polypliemus var. nigrum Pouehet (1887) to Protopsis nom. gen. nov. by us in this paper 



as Protopsis vigrnm. 

 G. spirals var. obtusa Schiitt (1895) to Gyrodininm nom. gen. nov. by us in this paper as 



G. olhisum. 

 G. opinium Schiitt (1895) to Gyrodininm nom. gen. nov. by us in this paper. 

 G. ovatum Gourret (1883) to Gyrodinium nom. gen. nov. by us in this paper. 

 G. ovum Schiitt (1895) to Gyrodininm nom. gen. nov. by us in this paper. 

 G. parasiiicum Dogiel (1906) to Oodinium. parasificum (Dogiel) Kofoid and Swezy. 

 G. parvulum Schiitt (1895) to Gyrodinium nom. gen. nov. by us in this paper. 

 G. spirale var. pepo Schiitt (1895) to Gyrodinium nom. gen. nov. as G. pepo by us in this 



paper. 

 G. spirale var. pinguis Schiitt (1895) to Gyrodinium nom. gen. nov. as G. pinguis by lis 



in this paper. 

 G. pirum Schiitt (1895) to Coclilndinium by Lemmermanu (1899). 

 G. polypliemus Pouehet (1887) to Pouchciia. polyphemus (Pouehet) emend. Kofoid and 



Swezy. 

 G. poMc/ieh' Lemmermann (1899) {= Gymnodinium pulvisruJus Pouehet, 1885a) to Oodi- 



iiium poucheti (Lemmermanu) by Chatton (1912). 

 G. pulvisculus Pouehet (1885a) to Oodinium poucheti (Lemm.) by Chatton (1912). 

 G. pulvisadus (Ehrenberg, 1830) Stein (1878) to Glenodinium pulvisculus (Ehrbg.) by 



Stein (1883). 

 G. pusillum Schilling (1891a) to Gyrodinium nom. gen. nov. by us in this paper. 

 G. roseimi Dogiel (1906) to Chytriodinium roseum (Dogiel) by Chatton (1912). 

 G. polypliemus var. roseum Pouehet to Pouch etia rosea (Pouehet) Kofoid and Swezy 



emend. 

 G. spirale Bergh (1881b) to Gyrodinium nom. gen. nov. by us in this paper. 

 G. spirale vars. C, D, Pouehet (1883) to Gyrodinium nom. gen. nov. by us in this paper 



as G. 

 G. strangulatmn Schiitt (1895) to Cochlodinium by Lemmermann (1899). 

 G. spirale var. striatum Pouehet (1883) to Gyrodinium nom. gen. nov. by us in this paper 



as G. striatum. 

 G. teredo Pouehet (18S5a) to Torodinium gen. nov. by us in this paper. 

 G. viride Schiitt (1895) to Gyrodinium nom. gen. nov. by us in this paper. 



Subgenera of Gymnodinium 



SuBGEXus 1. Gymnodinium siibgen. nor. 



Medium to small sized species, "witli or without eliromatopliores, surface free 

 from markings or if present few and scattered. The type species is G. fuscurn 

 (Ehrenberg) . This subgenus includes besides the type : G. aertiginosiim Stein, 

 G. agile sp. nov., G. auratum sp. nov., G. ticiUatiini Ohno, G. Mcorne sp. nov., 

 G. hogorieuse Klebs, G. carinatum Schilling, G. cinctum sp. nov., G. conicion 

 nom. sp. nov., G. contractum sp. nov., G. dissimile sp. nov., G. doma sp. nov., 

 G. fiiiim Lebour, G. favum sp. nov., G. fulgens nom. sp. nov., G. fusus Schiitt, 

 G. grammaticum (Pouehet), G. herhaceiun Kofoid, G. iiicisnui sp. nov., G. 



