( YPR1NI!).E OF EASTEKN i ANAI) A. 



Bv Pkilip Cox, Ph. D. 

 1. Chrosomus erythrogaster Ag. 



Ke(l-l)cllio(l J)aee. 



This si)ecies wn^^lii'st rei)orted from N. B. by the writer, who 

 collected it from Clear Lake, Lepreaux, St. John Co., a body of 

 water only a few acres in extent, drained into the Bay of Fundy 

 near by, and having no connection with any river system (Vide 

 Bull. No. XIII, Nat. Hist. Soc. of N. B., pp. 44-47)- The follow- 

 ing year he got specimens from a ])ond near Golden Grove, 

 nine miles from St. John, and there remained, as far as he knew, 

 its onlv Canadian records until the sumnjer of 1898, when he 

 collected it from a few small lakes in the valleys of the Grand and 

 Little Cascapedia, and the Nouvelle lakes near New Carlisle, 

 Gas])e, P. Q., where it is associated with Plioxinus neogsbus Cope. 

 Its distribution, too, recalls that of the latter, for both are re- 

 ported from Michigan and a few stations in the upper part of the 

 Mississippi basin. Erythroga.sfer has been also reported from 

 Free Port, near Portland, Maine. i)y\V. C. Kendall and Hugh 

 M. Smith (Vide Bull. U. S. Fish Commission, LS94. pp. 15-21). 



All our Chrosomi have eight dor t-ul rays, whereas erythrogaster 

 has but .>crc» ; and in this deviation from the established type 

 the Maine tish agree, as well as C. rlnkntensis Evermann c^- Cox, 

 a western form, and C. eo-s Cope, from the Sus(iuehanna, its next 

 station to the south ; but the latter presents a slightly different 

 color pattern. (Proc. Acad. Nat. Sci. Phil, 1861.) Unless then 

 Agassiz made a mistake in the count, our eastern C%?'o.so7u/ should 

 not be designated erythmga.-^ter; a structural character so marked 

 and constant calls for recognition ; and a separation should, in 

 th:- interests of sound classification, be made. Specimens from 

 Algonquin Park, Ontario, collected bv Prof. Macoun, Natural- 

 ist of the Geological Survey, Canada, though differing somewhat 



*Reprinted in part by permission from Fresh Water Fishes 

 and Baraohia of the Peninsula of Gaspo. p. Q., by Philip C'ox, Vol. 

 V, See. IV, Trans. Royal Society of Canad:i, lSi)9. 



