32 BULLETIN OF THE UNITED STATES FISH COMMISSION. 



399. Hayward, Jos. S. Catch of fish in Newfoundland and Labrador in 



1881. 



[In BULLETIN of the U. S. Fish Commission, Vol. II, 1882, p. 286.] 



400. Healy, R. Striped bass in Piankatank Eiver, Virginia. 

 [In Bulletin of the U. S. Fish Commission, Vol. II, 1882, pp. 75-76.] 



401. Hector, Jame3. Exportation of salmon and whitefish ova to New 



Zealand in 1870. 



[In Report of the Commissioner for 1875-76, Part IV, 1878, pp. 971-973, 982 ; 

 989-993,995; 997; 998-999; 1003.] 



402. . Shipment of salmon ova to New Zealand in 1877, and 



whitefish in 1878. 



[In Eeport of the Commissioner for 1878, Part VI, 1880, pp. 835-836; 851-852; 

 856; 876-878.] 



403. Hegt, J. Noordhoch. Shipment of salmon ova to the Netherlands 



in 1877. 



[In Report of the Commissioner for 1878, Part VI, 1880, pp. 916-918 ] 



404. Hemphill, Henry. On the habits and distribution of the geoduck 



a clam of the Pacific (Glycimeris generosa, Old.), with sugges- 

 tions as to its introduction into the Atlantic coast of the United 

 States. 

 [In Bulletin of the U. S. Fish Commission, Vol. I, 1881, pp. 200-201.] 



405. Hensen, V. The spawning process of salt-water fish, and its im- 



portance to fishermen. Prom investigations of the commis- 

 sion for the scientific examination of the German seas. 

 [In Report of the Commissioner for 1879, Part VII, 1882, pp. 548-557, figs. 2.] 



406. Hermes, Otto. On the mature male sexual organs of the conger 



eel (Conger vulgaris), with some observations on the male of the 

 common eel (Anguilla vulgaris, Fleming). 

 [In Bulletin of the U. S. Fish Commission, Vol. I, 1881, pp. 126-130.] 



407. . The propagation of the eel. 



[In Report of the Commissioner for 1879, Part VII, 1882, pp. 457-462, figs. 3.] 

 408. Hessel, Rudolph. The salmon of the Danube, or the Hucho (Salmo 

 huclio), and its introduction into American waters. 

 [In Report of the Commissioner for 1872-'73, Part II, 1874, pp. 161-165.] 



409. . Method of treating adhesive eggs of certain fishes, 



especially of the Cyprinidcc, in artificial propagation. 

 [In Report of the Commissioner for 1872-73, Part II, 1874, pp. 567-570, pi.] 



410. . The carp and its culture in rivers and lakes, and its 



introduction into America. 



[In Report of the Commissioner for 1875-'7f>. Part IV, 1878, pp. 865-900, figs. 6; 

 also separately.] 



411. . Artificial culture of medicinal leeches and of species 



of Helix. 

 [In Bulletin of the U. S. Fish Commission, Vol. I, 1881, pp. fc64-5J05.] 



