FISHERIES, GAME AND FORESTS. 211 



9. Dasyatis centrura {Mitchill). Stixg Ray. — The sting ray is rare now in 

 Gravesend Bay, where hundreds were formerh- taken every year. It will live in the 

 Aquarium several months in the spring and summer. 



10. Pteroplatea maclura (/•'• Siiciir). Butterfly Ray. — A very rare species 

 in Gravesend Bay, and does not endure a captive life. 



11. Rhinoptera bonasus {Mitchill). Co\v-.\osE Ray. — Rarely seen now in 

 Gravesend Bay. 



12. Acipenser sturio {Liinuens). STURGEON. — A female eight feet long was 

 brought from the mouth of the Delaware River and placed ali\'e in a pool on May 20, 

 1897. At this time (December 7) it is still apparently in good condition. Rock 

 crabs, soft clams and opened hard clams have been used for its food, but it seems to 

 have eaten little or nothing until December i, when it began to feed freely upon open 

 hard clams. The species appears every spring in Gravesend Bay, and sometimes in 

 the fall. It is hardy in the Ai|uarium. 



13. Acipenser brevirostris {Lc Sncur). Short-.vosed Sturc;eon. — The species 

 was obtained in Gravesend Bay, May 14, 1894, and a single example was brought 

 alive to the Aquarium on Ma_\- 13, 1896. It has taken food regularl}-, and is now 

 living (December 7, 1897). It came in company with fi\e young individuals of A. 

 stitrio. The species has prox-ed to be well adapted to aquarium life. It is rarely seen 

 in Gravesend Bay. 



14. Ameiurus nebulosus {Le Sitciir). Bullhead. — The young were seined in 

 the Bronx in August, 1897. Larger examples were forwarded by the New York 

 Commission of Fisheries, Game and F"orests from Canandaigua Lake in November, 

 1896, and November, 1897: also from Saranac Lake in November, 1897. The fish 

 feed freely upon hard clams and earth-worms ; liver is given to them occasionally. 

 Several albinos were obtained from Hackensack Meadows, N. J., in August, 1897. 

 They are now (December 7) si.x inches long, and have grown to that length from 

 three inches in three months. 



15. Catostomus commersonii {Laccpedc). Sucker. — This sucker was obtained 

 from Canandaigua Lake in November, 1896, and November, 1897; from the Bronx 

 young individuals were received in August, 1897 ; from Saranac Lake the New York 

 Commission forwarded the small mountain form, distinguished by its size and red 

 color, in November, 1897. The Canandaigua Lake suckers thri\ed in the Aquarium 

 until July, 1897, when they were all killed by warm water. The food is chiefly 

 hard clams, with earth-worms occasionally. 



