[65] FISHEEIES OF THE UNITED STATES. 1219 



9. Avoca, N. C. A station on Albemarle Sound, at the junction of 



Roanoke and Chowan Rivers, for collecting, hatching', and dis- 

 tributing eggs of the shad (Clupea sapidissim «), alewife (Clupea 

 vernalis and aestivalis), and striped bass (Roccus saxatilis). 



10. Northville, Mich. A hatching station for the development and 

 distribution of eggs of the whitefish (Coregonus clupeiformis). 

 This station is also provided with tanks and ponds for the 

 spawning, hatching, and rearing of brook- trout (Salvelinus fon- 

 tinalis) and California trout (Salmo irideus). 



11. Alpena, Mich. A station for the collection and development of 

 the eggs of the whitefish (Coregonus clupeiformis). 



12. Baird~Cal. 



a. Salmon station. A station on the McCloud Eiver for 



the development and distribution of eggs of the Cali- 

 fornia salmon (Oncorhynchns chouicha). 



b. Trout ponds. A station near Baird for collecting, de- 



veloping, and distributing eggs o'f the California trout 

 (Salmo irideus). 



13. Clackamas River, Oregon. A station on Columbia River for 

 collecting and hatching eggs of the California salmon (Oneo- 

 rhynchus chouicha). 



b. models of hatching houses. 



Druid Hill hatchery. 



Model of hatching house built at Druid Hill Park, Baltimore, Md., 

 in 1875, under the direction of Maj. T. B. Ferguson, then State 

 commissioner of fisheries. The interior of this model is fitted 

 up with miniature hatching apparatus, showing the arrange- 

 ments for actual work. It contains Ferguson hatching jars, 

 flights of Coste trays, Williamson hatching (roughs, Clark 

 hatching troughs, Holton hatching box, Green hatching box, 

 aquaria, and reservoir tank, provided with filters and porce- 

 lain lined sinks. 



BUCKSPORT HATCHERY. 



Model of hatching house at United States salmon-breeding station 

 at Bucksport, Me., built under the direction of Mr. Charles G. 

 Atkins, with movable roof for showing the interior, which is 

 provided with troughs for hatching eggs of the salmon. The 

 water enters the troughs through a feed trough along the side 

 of the room and escapes by pipes through the floor. 



KORTHVILLE HATCHING-HOUSE. 



Model ; scale, 1 inch to the foot. This model, which represents one 

 of the most important hatching houses of the U. S. Fish Com- 

 mission, shows the interior arrangement of the hatchery, the 



