Desmids from Brofix Park, New York 
By JosepH A. CUSHMAN 
The following species were identified in a small collection 
made by Mr. Thomas Barbour in the latter part of April, 1903. 
The material was from a small pond in the New York Zoological 
Park, Bronx Park, New York City. Closterium was especially 
abundant and several other genera were represented. 
1. Closterium acuminatum Keg. 
Diam, 22 y, length 185. Abundant. (Herbarium, of J. A. 
Cushman, No. 327.) 
2. Closterium Dianae Ehrb. cop! 
Diam. 15 », length 215 4. Common. (H. C., No. 328) 
3. Closterium Delpontii (Klebs) Wolle. 
Diam. 32 », length 310; another specimen Giese, np 
334, length 360. Occasional. (H. Cc No. 3 30) 
4. Closterium Jenneri Ralfs. 
Diam. 15 4, length across ends 65 pv. Ereaett (i C., No. 
327.) 
5. Closterium lanceolatum Kg. . 
Diam. 40 p, length 315 4. Rare. (H. C., No. 329.) 
6. Closterium Leibleinii curtum West. 
Diam. 33 », length 185 4; another specimen very similar in al 
but size measured, diam. 52, length 275 w. (H. C., No. 327. ) 
7. Closterium striolatum Ehrb. 
Diam. 35 4, length 425. Common. (H. C., No. 333+) 
8. Docidium Archerii Delp. 
Diam. 48 », length 560 »; another specimen diam. 48 p, loth 
3254. Frequent. (H. C., No. 327.) - 
9. Docidium Trabecula (Ehrb.) Naeg. 
Diam. 38 », length 275 . (H.C., No. 331.) Another speci- 
men, diam. 31 y, length 320. (H. C., No. 327.) 
10. Docidium sp. ? 
Diam. 35, length 6304. (H. C., No. 329.) Frequent. 
Contents appear granulate, almost netted, 12-15 dark spots scat- 
tered through each semi-cell. 
513 
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