FISHERIES OF THE UNITED STATES. 217 



HATCHING-TEOUGHS AXD BOXES, STATIONARY. 



3910G. Ecvorsil.l,. riiiuoiug Can, for hatching fish eggs, now in nsr on the U. 

 S. Steamer "Fish Hawk "-a part of the improvement in lish-hateh- 

 ing apparatns invented by T. B. Fergnsou, Baltimore, Md, Pat- 

 ented. Tlie ends are so arranged as to bo easily removed, so that 

 the can may he nsed as a hatcher or a transporting can hy inserting 

 either a wire-cloth or tin bottom. T. B. Ferguson. \j. S. Fish 

 Commission. 



. Anotlier form of same, fnmished with trnnnions by means of which 



it is swung in the frame of the conical hatcher when used for 

 transporting fish in rough seas. (The tops are interchangealjle 

 with those of the conical hatchers.) T. P.. Ferguson. U. S. Fish 

 Connnissiou. 



39107. "Hanger," "Cam," and "Guides" for Ferguson's improvement in 

 lish-hatching apparatus. In use on the IT. S. Steamer "Fish 

 Hawk " for imparting a vertical motion to the hatching-cans. De- 

 signed by T. B. Ferguson. U. S. Fisli Commission. 



39109. Ferguson hatching-jar. A glass jar, with trays. The water flows 



in at the bottom and out at the top. Provided with trays for 

 hatching salmon. Designed by T. B. Ferguson. U. S. Fish Com- 

 mission. (By the use of glass the growth of fungus is prevented, 

 and every egg in the vessel can he seen at a glance.) 



HATCHING-BOXES, FLOATING. 



26903. Shad-hatching box. Invention of Seth Green, Rochester, N. Y. 



Patented. S. Green, New York Fish Connnissiou. 

 26997. Model of the above. S. Green, New York Fish Connnissiou. 

 39462. Shad-hatching box. Invention of Isaac H. ^Vright, Baltimore, Md. 



26904. Shad-hatching box. Invention of E. A. Brackett, Winchester, Mass. 



Patented. E. A. Brackett, Massachusetts Fish Commission. 



39101. Revolving sliad hatcher, designed by Spencer F. Baird. U. S. Fish 



Commission. 



39110. Semi-rotating hatchers. Hatching box for eggs of the codlish. In- 



vention of H. C. Chester, Noank, Conn. U. S. Fish Commission. 

 39470. Mechanical fish-hatching apparatus. Invention of Joel C. Parker, 

 Grand Rapids, Mich. 



ADHESIVE-EGG APPAEATUS. 



39102. Model of box for hatching the smelt, OsmeruH viordax. Devised by 



George Ricardo, Hackensaek, N. J. One-half size. F. Mather. 

 U. S. Fish Commission. • 



MODELS OF FLOATING HATCHING-HOUSES. 



29103. Model of the F. S. Fish Commission Steamer "Fish Haw^k." Built 



by the Pusey & Jones Company, Wilmington, Del. Length on 

 water line, 146 feet 6 inches; breadth of beam (molded), 27 feet; 

 depth of hold (amidshii)s), 10 feet 9 inches; draft of water, 7 feet 6 

 inches ; tonnage, 4h". 



29104. Model of the fish-hatching deck of the U. S. Fish Commission Steamer 



"Fish Hawk," built by the Pusey & Jones Company, Wilmington, 

 Del. Scale, 2 inches to the foot. 



ACCESSORIES TO THE HATCHING APPARATUS. 



26915. Wooden nippers for removing dead eggs. F. Mather. U. S. Fish 

 Commission. 



