— 191 — 



Ci K A l'H( )I)KKK.S Ki^cll. 



G. liberus Say. — N. V. City and vicinity, N. I., I'a., Conn., Mass., Lake 

 Superior. 



G. fasciatocollis //</;v. — X. \'. City ami vicinity. N. I., i'a., Mich, (also 

 Cal., Wasii., Europe, X. Siberial. 



Cvi'.lSTKK Curt. 



C. fimbriolatus .S'.m'. — X. V. City and vicinity, X. [., ()., I'a. (also da., l.a , 

 Kansas). 



GVRINID.^. 



The Gyiinidre are also water beetles, but live habitually on its surface where 

 they may be seen in schools, swimniinjj in circles and mingling together. They 

 art- cOTnmonly cilled whirligigs also apple-bngs, owing to tiieir peculiar apple-like oilor. 



Gyrims Linn. 



G. minutus Fahi . - L.ike Superior and l.abrabor (also Hiul. Hay, Wash., 

 EuvoiH- .111(1 .Asia). 



G. rockinghamensis /.r,. — X. \'., X. J. (al>o X. C. and Ma.i. 



G. confinis/.^<. — Hiiffaio, X. V. ( Reinecke), Lake Superior Region and 

 we^lwar^!. 



G. fraternus Coii[' — Canaiia. Lake Superior. 



G. limbatus Say. — X. V., X. J.. Can.ida, Lake Superior. 



G. dichrous L,c. — Reported from X. V. City and vicinity. X. Log., .\. I., 

 X. v., Lake Superior (also Cia). 



G. pectoralis I.ec. — Lake Superior Region. 



G. elevatus I.ec. — Repoited from X. V. (aKo Utah). 



G. ventralis Khv. — X. E. Amer. .Abundant. 



G. aquiris/<v. Middle Slates, Lake Supeiior. 



G. maculiventris I.ic. — rUifTalo. X. V. (Reinecke). 1 ake Superior. 



G. canadensis /w;'. — Pa.. (?): Canada. 



G. affinis .////v. — X. I'". .Amer. Abumlant. 



G. analis .S-m . — X. E. .Amer. .Ahnndant. 



G. marinus C^r//. — Ciieenlaiul. 



G. borealis .^n'w — S. E. Amer. .Abundant. 



G. higens /.fV. .X. Eng., Lake Superior. Rare in N. L. Ohio 



G. picipes .////v. — i'eekskill. X. V. (Sherman). Labrador, Lake Superior 

 ilhiijbanl \ Sclnvarz), (hIso I!. Col.) 



G. aeiieolus /.'c — Lake Superior (Hubbard \ Scliwafzl, 111. 



DiNKCTF.s Mad.. 



D. vittatus (J*'/-///. - X. V. City and vicinity, N j. Middle anil Southern 

 Slates. 



D. discolor .-iuhe. — Very common in this vicinity, X. E. Amei. 

 D. serrulatus L'-c. — F^are in Middle States, more common South. 

 D assimilis Anhe.--y.. E .Amer. Common in this vicinity. 

 D. emarginatus .S'^m'. — .Scarce in this viciniiy. N. J., Middle and Xorthcrn 

 States. 



