52 Proceedings of the Biological Society of Washington. 



Notes on the Spawning-habits of our Lampreys. < L. c, IV, No. 



4, April, 1917, pp. 28-32. 



— Notes on Fishes from New Jersey, Pennsylvania and Maryland. < 

 Proc. Acad. Nat. Sci. Phila., 1917 (April 24), pp. 108-126. (Pennsyl- 

 vania, pp. 115-122.) 



— Fish Life of Mill Creek, a Delaware tributary. < Bristol Daily 



Courier, X, April 23, 1917. (Popular newspaper article.) 

 — Spawning Habits of Local Fishes, No. 1. < Aquar. Notes and News, 

 IV, No. 5, May, 1917, pp. 37-40, 1 fig. 



Spawning Habits of Local Fishes. No. 2. < L. c, IV, No. 7, 



September, 1917, pp. 52-56. 

 1918. Fishes from the Middle Atlantic States and Virginia. < Occas. 



Papers Mus. Zool. Univ. Michigan, No. 56, May 6, 1918, pp. 1-19, Pis. 



1-2. (Pennsylvania, pp. 8-14.) 

 The Fishes of Perry County, Pennsylvania. < Copeia, November 



21, 1918, No. 63, pp. 89-91. 



PETROMYZONID^}. 

 Petromyzon marinus Linnaeus. Lamprey. 



In the Delaware basin (Douglasville) Berks, (Neshaminy Falls and 

 George School) Bucks, (Stock Grange, French Creek?) Chester, North- 

 ampton, Philadelphia, Pike and Wayne Counties. 



Susquehanna basin (Athens and Sayre) Bradford, (Emporium) Cameron, 

 (Harrisburg) Dauphin, (Marietta, McCall's Ferry, Peach Bottom, Pequea, 

 Safe Harbor) Lancaster, (Newton Hamilton) Mifflin, (Marysville) Perry 

 and (Peach Bottom, York Furnace) York Counties. 



Ichthyomyzon concolor (Rutland). Silvery Lamprey. 

 (Conemaugh River formerly and Two Lick Creek) Indiana and McKean 

 Counties. Lake Erie? 



Entosphenus aepypterus (Abbott). Brook Lamprey. 

 Delaware basin in (Red Clay Creek near Kennett Square and White 

 Clay Creek near Leonard) Chester County. 

 Elk basin, (Elk View?) Chester County. 

 Susquehanna basin in Cameron County. 



Ohio basin (Pittsburg) Allegheny, Indiana and (Seven Bridges) Potter 

 Counties. 



ACIPENSERIDjE. 

 Acipenser sturio Linnaeus. Sturgeon. 



Delaware basin in Bucks, Delaware, Northampton and Philadelphia 

 Counties, now rare Susquehanna basin (reported at Coxtown in 1844 1 ) 

 Dauphin and (Fite's Eddy, Marietta, McCall's Ferry, Peach Bottom and 

 Safe Harbor) Lancaster Counties. 



Acipenser fulvescens Rafinesque. Lake Sturgeon. 

 Ohio basin (Pittsburgh formerly) Allegheny, (Foxburg and mouth of 

 1 Forest and Stream, XXXIV, March 20, 1890, p. 171. 



