412 REPORT OF THE 



Order ACANTHOPTERI. Spiny-rayed Fishes. 



Suborder XENARCHI. 

 Family APHREDODERID^. Pirate Perches. 



94. Pirate Perch {Apliredodems sayamis Gilliams). 



DeKay says the Pirate Perch, which he describes under the name of the Spine- 

 less Perch, is exceedingly rare, four specimens having been obtained. He had no 

 specimens from New York. Concerning its habits he states that it appears to 

 prefer muddy pools shaded by trees. The fish was found in moderate numbers in 

 lakes near Patchogue and in Swan River in 1898. It is unknown to the fishermen. 

 In 1901 it was found to be very common in Grist Mill Pond at Patchogue, and in 

 Swan River which drains the pond. Some very large individuals were seined in the 

 river, one of them taken October 7, 1901, being 4^ inches long. The fish was also 

 found in Mud Creek, but it was not plentiful there. 



It is always hidden under aquatic plants, and prefers clear running water. 



Suborder PERCESOCES. 

 Family ATHERINID^. Silversides. 



95. Slender Silverside {Menidia gracilis Glinther). 



The Slender Silverside was originally described by Dr. Giinther from an unknown 

 locality. To this species were referred a number of specimens collected by Dr. 

 Smith on St. George's Island, Lower Potomac. Drs. Jordan and Evermann state 

 that these specimens differed from typical examples of the freshwater silverside and 

 probably belong to Gunther's species. This fish is recorded from Woods Hole to 

 Albemarle Sound and is believed to be generally common in brackish water. 



No examples which can be identified with this species have been obtained by 

 the writer on Long Island. 



96. Freshwater Silverside (Menidia beryllina Cope). 



The Freshwater Silverside was first described from the Potomac River near 

 Washington. It is a small species, seldom exceeding 3 inches in length, but its 

 range is much wider than was at first supposed. It is abundant on Long Island, 

 sometimes occurring in brackish or salt water, but usually in fresh water. It was 

 taken at Bellport Life-Saving Station and Horsefoot Creek in August, 1898. It is 

 very common in a little mill stream at Water Mill, associated with the Freshwater 



