2 12 REPORT OF THE COMMISSIONERS OF 



i6. Erimyzon sucetta {Laccpcdi). Chub Sucker. — The chub sucker was seined 

 in the Bronx in August, 1897, s""^ Professor \j\r\c Dahlgren sent one example from 

 near Princeton, N. J., in September, 1897. The latter, when it arrived, had the broad, 

 longitudinal, median band well developed and the vertical bands obsolete ; but soon 

 after it was placed in the Aquarium it obscured the longitudinal band entirely and 

 developed the vertical bands. 



17. Cyprinus carpio {Liniuciis). Cart. — In November, 1896, a number of carp, 

 none of them above two pounds in weight, were presented by the United States Fish 

 Commission. During the last summer two female leather carp died as a result of 

 retention of the eggs. In C)ctober, 1S97, several large examples were seined in the 

 lake at Prospect Park, Brooklyn. The food of this species is hard clam, earth-worms, 

 wheat, corn, lettuce and cabbage. Their growth is remarkable. A leather carp has 

 fully doubled its weight in one year. 



18. Carassius auratus {Limuens). Goldfish. — Goldfish have been obtained 

 from lakes in Central and Prospect Parks, and from fountains in Gramercy Park and 

 Bryant Park. A specimen was kept in a fountain at the old reservoir (F"orty-second 

 Street and Fifth Avenue, New York) by Patrick Walsh nine years, and was tiien 

 presented to the Aquarium. The triple-tail variety -was a gift from Mr. E. G. Black- 

 ford. From the Cold Spring Harbor Hatchery of the New York Fish Commission a 

 number of remarkably large goldfish were obtained. One was a typical fan-tail ; 

 another resembling this in color had the form of the regular goldfish ; still another 

 was so deep-bodied that he could scarcely swim in equilibrium ; all of these were 

 from the same lot of eggs. This fish has never been troubled by fungus or parasites. 



19. Semotilus atromaculatus {Mitchill). Chub; Fali.fish ; Dace. — A number 

 of large chub were sent by Mr. Annin from the Fish Commission station at Canandaigua 

 Lake in November, 1896, and again, in the same month, in 1897. Some of the first 

 lot were fourteen inches long in July, 1897. All of the first shipment died in July, 

 1897, from the effects of warm water. They fed freely on hard clam and earth-worms 

 and, occasionally, live killifish. 



20. Abramis crysoleucas (Mitc/u'/I). Roach; Golden Shixer. — Abundant in 

 the lakes of Central Park and in the Bronx ; not found in the large lake of Prospect 

 Park, Brooklyn, in seven hauls with a large seine. They feed freely upon chopped 

 hard clam, and do not like earth-worms. The species spawned in their tank in May, 

 1897, and their young are now one and one-half inches long. 



21. Abramis crysoleucas, variety. Irish Roach. — About the end of June, 1896, 

 two females and one male were found to be ready to spawn. The females cast their 

 eggs, but they were immediately eaten by the fish. The fish is always extremely shy. 



