1 1921] 
XIII. Pisces. 
Pisces. 5 
70. — Hornyold, A. G. Algunas 
observaciones sobre la anguila en 
Mallorca. Bol. Pescas Madrid 1918 
(Jan.-Feb.) 63 pp. 
71. — Hornyold, A. G. Algunas 
observaciones sobre la anguila en 
Palma de Mallorca. Bol. Pes3as Madrid 
1920 (Feb. -March) 128 pp. 
72. — Hornyold, A. G. El crecimiento 
de la anguila en relacion con el de sus 
escamas. Bol. Pescas Madrid 1920 
(Aug. -Dec.) 23 pp. 
73. — Hornyold, A. G. Las anguilas 
de las estancas de Alcaniz y Chiprana. 
Bol. Pescas Madrid 1921 (Jan. -Feb. - 
March) 8 pp. 
74. — Hornyold, A. G. Determacion 
de la edad en algunas anguilas plateadas 
(maresas) de la Albufera de Valencia. 
An. Inst. Gen. de Valencia 1921 27 pp. 
12 pis. 
Hubbs, C. L. vide Jordan, D. S. 
75. — Hubbs, C. L. Notes on Hybrid 
Sunfishes. Aquatic Life Philadelphia 
5 1920 pp. 101-103. 
76. — Hubbs, C. L. Description of 
a new Sciaonoid Fish from Santa 
Catalina Island, California. Occ. 
Papers Mus. Zool. Ann Arbor Mich. 
92 1921 3 pp. 
77. — Hubbs, C. L. The Latitudinal 
Variation in the number of vertical 
Fin-rays in Leptocoltus armatus. Occ. 
Papers Mus. Zool. Ann Arbor Mich. 
94 1921 7 pp. 
78. — Hubbs, C. L. Notes on a small 
Collection of Fishes from Kamerun, 
West Africa. Occ. Papers Mus. Zool. 
Ann Arbor Mich. 95 1921 3 pp. 
79. — Hubbs, C. L. Description of 
a new Genus and Species of Goby from 
California with Notes on related 
Species. Occ. Papers Mus. Zool. Ann 
Arbor Mich. 99 1921 5 pp. 
80. — Hubbs. C. L. Notes on the Pipe- 
Fishes of California. Occ. Papers Mus. 
Zool. Ann Arbor Mich. 100 1921 4 pp. 
81. — Hubbs, C. L. The Ecology and 
Life-history of Amphigonopterus aurora 
and other Viviparous Perches of 
California. Biol. Bui. Wood's Hole 
Mass. 40 1921 pp. 181-209. 
82. — Hubbs, C. L. Geographical 
Variation of Notemigonus crysoleucas 
— an American Minnow. Trans. 111. 
State Acad. Sci. 11 1918 pp. 147-151. 
83. — Hubbs, C. L. An Ecological 
Study of the Life-History of the 
Fresh-water Atherine Fish Labidesthes 
sicculus. Ecology New York 2 1921 
pp. 262-276. 
84. — Hubbs, C. L. Remarks on the 
Life-History and the Scale Characters 
of American Mullets. Trans. Amer. 
Microsc. Soc. Menasha Wis. 40 1921 
pp. 26-27. 
85. — Hubbs, C. L. A Note on 
Unilateral Reactions of the Melano- 
phores of the Head in Fishes. Amer. 
Nat. New York 55 1921 pp. 286-288. 
86. — Hubbs, C. L. Supplementary 
Notes on Flounders from Japan with 
Remarks on the Species of Hippoglos- 
soides. Annot. Zool. Jap. Tbkyo 9 
1918 pp. 369-376. 
87. — Hubbs, C. L. Notes on Three 
Clupeoid Fishes collected by Edmund 
Heller in San Filipe Bay, Gulf of 
California. Proc. Biol. Soc. Washing- 
ton 34 1921 pp. 47-48. 
Hughes, S. P. vide Norris, H. W. 
Huntsman, A. G. vide Willey, A. 
88. — Huntsman, A. G. The Fishes 
of the Bay of Fundy. Contr. Canad. 
Biol. Ottawa 1921 (1922) 24 pp. 
89. — Hutton, J. A. Wye Salmon ; 
Results of Scale Reading, 1920. Salmon 
and Trout Mag. London 1921 pp. 1-30. 
90. — Ishiwara, Y. On Some Fossil 
Shark-Teeth from the Neogene of 
Japan. Sci. Rep. Tohuhu Tmp. TJniv. 
Sendai Ser. 2 5 1921 No. 3 pp. 61-74 
pis. x-xii. 
91. — Jacobshagen, E. Die Homologie 
der Wirbeltierkiemen. Jenaische Zs. 
Natw. 57 1920 pp. 87-142 pis. vi-vii. 
92. — Jenkinson, J. W. Growth, 
variability and correlation in young 
Trout. Biometrika Cambridge 8 
1911-1912 pp. 444^-455. 
93. — Johansen, A. C. On the 
Summer- Spawning Herring ( Clupea 
harengus L.) of Iceland. Medd. 
Havunders Kjobenhavn Ser Fisk. 6 
1921 No. 3 pp. 1-40. 
