40 Proceedings of the Biological Society of Washington. 



30. Alosa sapidissima (Wilson). Shad, white shad. 



Prior to May 8th the catch of shad was extremely small, most of the 

 catch coming from brackish water. 



31. Brevoortia tyrannus (Latrobe). Bug-fish. 



None seen. A few reported to have been taken in a shore seine at 

 Cherry Tree Point, Maryland, prior to May 3d. At this point the water 

 is usually slightly brackish. The fishermen report that this species is 

 generally abundant towards the close of the shad season. 



Esocid^;. 

 32. Esox reticulatus LeSueur. Pike. 



Common. Females, in spawning condition, with ripe eggs, were seen 

 as follows: 



April 11, 1 example 31 cm., % lk-> Elk River. 



April 18, 1 example, Elk River. 



April 24, 1 example 50 cm., \% lbs., Elk River. 



April 25, 1 example 58 cm., 2% lbs., Bohemia River. 



Several large examples were seen at Cherry Tree Point, taken with a 

 shore seine in brackish water. 



PcECILIIDjE. 



33. Fundulus heteroclitus (Linnaeus). Bull minnow. 

 Six examples taken in the Sassafras River. 



34. Fundulus diaphanus (LeSueur). Bull minnow. 

 Abundant. 



BELONIDiE. 



35. Tylosurus marinus ( Walbaum). Silver gar. 



One example, 40.1 cm. long, taken in Turner's Creek, Sassafras River. 



Gasterosteid^e. 



36. Apeltes quadracus (Mitchill). Stickleback. 



Taken only in the Sassafras River, Turner's Creek, and at Battery 

 Station. Apparently not abundant. 



AtHERINIDjE. 



37. Menidia beryllina (Cope). Silversides. 



Abundant in the Sassafras River and Turner's Creek. A very few 

 examples taken at Lapidum, Maryland, Battery Station and in the 

 Bohemia River. 



CeNTRARCHIDjE. 



38. Enneacanthus gloriosus (Hoi brook). 



Several examples taken in sluggish streams tributary to the Sassafras 

 River. 

 A single example from the inner basin at Battery Station. 



