162 THE. AMERICAN MIDLAND NATURALIST. 
LITERATURE CITED. 
AIDA, TATUO (1921.) On the inheritance of color in a fresh-water fish, 
Aplocheilus latipes T. & M., with special reference to sex-linked 
inheritance. Genetics 6: 554-573. 
ATKINSON, G. T: (1908.) Notes on a fishing voyage to the Barents Sea 
in August, 1907. Jour. Mar. Biol. Assoc. n. s., 8:71-98. 
BLEGVAD, H. (1922.) On the biology of some Danish Gammarids and 
Mysids. ,Rept. Danish Biol. Sta. to Board of Agr. 28:1-102, 
Tables 1-5. 
DARWIN, CH. (1871.) The Descent of Man, and Selection in Relation to 
Sex. London. 
FULTON, T. M. (1890.) The proportional numbers and sizes among sea- 
fishes. Ann. Rept. Fish. Bd. Scotl. 8:348-350. 
(1892.) Observations on the reproduction, maturity, and sex- 
ual relations of the food fishes. Ibid. 10:232-243. 
(1902.) Rate of growth of sea fishes. Ibid. 20: 326-439. 
(1903.) Icthyological notes. Ibid. 21:228-231. 
(1904.) The rate of growth of fishes. Ibid. 22:141-241. 
(1920.) Report on the marking experiments on plaice, made by 
the S. S. “Goldseeker” in the years 1910-1913. Fish. Bd. Scotl., 
Sci. Inv., 1919, I. (pp. 468.) 
GEISER, S. W. (1921.) Notes on the differential death-rate in Gambusia. 
Ecology 2:220-222. 
be eed Beret (1922.) Observations on sex in the top-minnow, Gambusia 
affinis. Anat. Rec. 23:112. 
HEFFORD, A. E. (1909.) The proportionate distribution of the sexes of 
plaice in the North Sea. Cons. perm. internat. pour |’Explora- 
tion de la Mer, Rapp. et Proc. verb. des Reun. 11:135-176. 
(1916.) Report on sexual differentiation in the biology and dis 
tribution of plaice in the North Sea. Board of Agr. & Fish. 
(Engl.) Fishery Investigations, Ser. II, Vol. III, No. 2. 
JEWELL, F. M. (1921.) Sex-ratios in foetal cattle. Biol. Bull. 41:259- 
271. 
HUNTSMAN A. G. (1918.) Histories of new food fishes. I. The Canadian 
_ plaice. Bulletin Biological Board of Canada, No. 1. (pp. 32.) 
MASTERMAN, A. T. (1913.) Report on investigations upon the salmon 
with special reference to age-determination by study of scales. 
Bull. Agr. & Fish. (Engl.) Fishery Investig., Ser. I, Vol. I. 
Sin IE Se. (1913a.) Report on investigations upon the smelt, (Osmerus 
eperlanus) with special reference to age determination by study 
of scales and its bearing upon sexual maturity. Ibid., Ser. I, 
Vol. I, No. 2. 
