THE AMERICAN MIDLAND NATURALIST. 

 CHAETOPHORACEAE. 



Chaetophora sp. In fish boxes near church at 1st lake, C. S. 

 H.— H. H. Y. 



Chaetophora pisiformis (Roth) Ag. On Fontinalis at mill 

 race from near lower pond, C. S. H. — D. S. J. 



Draparnaldia plumosa (Vauch.) Ag. Fish Hatchery pond — 

 E. N. T. 



Draparnaldia glomerata (Vauch) Ag\ In pools, quite com- 

 monly distributed — Jelliffe. 



CLADOPHORACEAE. 



Cladophora expansa (Mert) Kuetz. Inner Harbor near the 

 tide run. — N. M. G. 



Cladophora fracta (Dillw.) Kuetz. Shoals at inner end of 

 Center Island.— G. C. F. 



Cladophora gracilis (Griff.) Kuetz. Laurelton pier. — H. H. Y. 



Spongomorpha a/rcta (Dillw.) Kuetz. Common throughout 

 L. I.— Jelliffe. 



Spongomorpha lanosa (Roth) Kuetz. Not infrequent in Long- 

 Island Sound. — Jelliffe. 



COELASTRACEAE. 



Scenedesmus obliquus (Turp.) Kuetz. 2nd Lake, C. S. H. — 

 N. M. G. 



Scenedesmus obliquus (Turp) var. dimorphus Hans. Fre- 

 quent on L. I. — Jelliffe. 



Scenedesmus quadricauda (Turp.) Bres. 2nd Lake, C. S. H. 

 — N. M. G. 



HYDRODICTYACEAE. 



Pediastrtim Boryanum (Turpin) Fish Hatchery pond, C. S. 



H.— E. N. t. 

 Pediastrum tetras (Ehr.) Ralfs. 2nd Lake, C.S.H.— N.M.G. 



* Revised following nomenclature given in "The Green Algae of 

 North America" F. S. Collins, Tufts College Studies, Scientific Series. 

 Vol. 2, 3, 4. Additional publications used in making identifications 

 in this and folloiwng two groups: were "Marine Algae of New Eng- 

 land" W. C. Farlow. Report U. S. Commissioner of Fish and Fish- 

 eries for 1879, Washington. "Marine Algae at Beaufort, N. C, and 

 Adjacent Regions." W. D. Hoyt. Bulletin U. S. Bureau of Fisheries, 

 Vol. 36, 1917-18. See also Sumner. Osborne, Cole and Davis, (1913). 



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