Uiiiidii Lake I'islus 417 



accidentally. The animal focxl was ccmiposed of insects, terrestrial and aquatic, 

 including Cliiroiioiiius larvae, Hydrophilidae and Kphenieridac, and also spiders, 

 aniphipods, and cntoniostracans. 



Hankinson ( 'c>S, ]). jcxj ) found Chiroiioiiitis larvae, ephenierid nymphs, ento- 

 mostracans and filamentous ^reen algae in Walnut I-ake specimens of the Barred 

 Killifish. Pearse ('15, p. 16) examined the ftKnl f>f 49 specimens from I^-ike Men- 

 dota, Wisconsin, and found insects, adults and larvae, mites. amphipo<ls. cntonio- 

 stracans, snails, nemat<Kles and plants. 



Maker ('i(>, ]i. 179) gives a summary of important data on the ffMxi of 

 J'uiiihilus diapluinus. and J. P. Moore {'22, y. 29) gives a table showing results of 

 a study of the f<Kj<l of 4S s])ecimens from New Jersey, of which (p. 30) he says: 

 'Chironomid larvae constituted the largest single item, or alnnit },},'} : other insect 

 remains, ii'<' : crustaceans (with the e.\ce])tion of a few isopodsl, i^rj : miscel- 

 laneous animal remains, 13'; ; and i)lant remains, mostly filamentous algae, organic 

 ooze, and debris, 20'~/f." Greeley C2~. p. fi^) reports the food of one of these 

 Killifish al)out I'i inches long as 70'v Crustacea (mainly HyulrlUi kiiickcrbockcri) 

 ami 30% Chironomidav. Pearse ("iR, p. 2(^2). from the examination of the food 

 of 149 specimens found the fish eating a large variety of objects, which he lists 

 as fish embryos, .87* ; insect eggs. .8',' ; insect larvae, 23.4'; ; pupae, \.~''t : adult 

 insects, 2.~'^'c ; mites, 3',' : anijjhipcMls, 14.1' < ; entomostracans, 35.9^0 : Sphaeridae, 

 .4'; : .snails, 3.5%: oligochaete worms, 2'^^', ; plant remains, 5.5'; ; algae, .9%; silt 

 and debris and some nematodes. 4.2' i . Evermann and Clark ('20, p. J96) found 

 the stomachs of four of these Killifish to contain snails, water mites, Fosmina 

 and Cyfris. 



Pislribtilioii Records. The following collections containe<l examples of this 

 si)ecies : No. 76, Scrilia Creek : No. 77. Rullhead Hay : No. S3. Johnson Ray ; No. 

 86, P(Kldygiit Bay; \o. qo. Chittcnango Creek; No. 92, Majjle Hay; No. c;<i. Wal- 

 nut I^)int; No. kx), I^idd Hay: No. loj, l^ndd Point: No. 105. Muskrat H.iy ; No. 

 I Ml. Ireek entering Hig Hay; No. 1 1<;. Shaw Hay: Nos. ijo. 121. Hig Hay; No. 

 122, .Sluw Hay; No. 137. Long Island; No. 305. Hrewerton ; No. 401 Hillington 

 Bay; No. 418. I^nkejwrt Hay; No. 422. Mathews Point; No. 441, Taft Hay; No. 

 456, West J'ottcr Hay; No. 475, Short Point Hay: No. 491, Three Mile Hay: No. 

 4<>8. .Messenger Hay; Nos. 500 and 50J. Lewis Point: N«i. 507. I'pjK-r South H.-iy; 

 No. 315. Fish Creek: N<i. 5J_'. l-'renchman's Island: No. 523. Short-Point H.iy ; 

 No. SjT). Maple Hay: No. 531). Dunham Island; No. 543. Krenchnwn's Island; 

 No. 5f)f>,WilUiw Point; No. 5S5. Lower South Hay; No. 501. Sylvan Beach; No. 

 50Q. Hrewerton; No. (k)^, Fairchild Hay; Nos. dio. f)H. Lower .South Bay; No. 

 617. Hrewerton; No. 4270. Sylvan Beach. 



l-.iii-iiiiis and Pisfasc. Diseased fish of this s|>ecies were found in f<iur of our 

 cnliettions : Nos, 558. 5<)f). fy22, 62^1. Bean ( '1)3. p. 313 > gives black l«ss and trout 

 as its fresh water enemies, .\ccoriling to Fowler ri3L it is eaten by the .\meri- 

 can Merganser (Mcrijus attirriianus) , Ked-breastetl Merganser (.\f. scrralor). 

 Horned ( irelie {Colymhiis ituritiis). American Bittern ( Folaurus Irnliffino.tiis) , 

 Least Bittern ( f.tohryfhu.r rxilus). Night Heron t S'ytluoro.r tiyiliiorax noifiiis), 

 and .Solitary Sand|»i|)er ( lli-lodroitiiis .tnlilariu.t solilarius). In a<lditinn to these 

 he lists ('06. p. n/i): Great Blue Heron ( .7r(/i-«j hfrodias hcrotiias), and Cireen 



