SIXTY-TWO SPECIES OF FISHES FROM LAKE ERIE 
397 
behind vent, 0.34 millimeter. Myomeres, 10 to vent plus 18 behind. Characterized 
by the long slender body, short intestine, very large air bladder, rounded dorsal con- 
tour of head, and large, low, oblique mouth. 
Pigmentation. — Chromatophores are scattered sparsely over top of head, nape, 
and on body above pectorals. Others are massed over dorsal aspect of air bladder. 
A double or irregular single series occurs in jugular region to below front of air 
bladder. One large stellate spot is apparent on top of intestine immediately before 
vent, and a double series along ventral aspect of body from vent to caudal. There 
are four or more linear chromatophores along lateral line behind vent. 
6 .5 -millimeter stage . — Total length, 6.5; standard length, 6.2; length to vent, 2.8; 
length of head, 1.2; diameter of eye, 0.46; greatest depth before vent, 0.9; depth 
behind vent, 0.5 millimeter. Myomeres, 10 to vent plus 18 or 19 behind. Generally 
as before but pigment intensified. Dorsal marginal fin fold originating about seventh 
myomere behind head; tail lophocercal but beginning of caudal rays evident below. 
Pigmentation. — Chromatophores are numerous over top of head, eye, lower jaw, 
and sides of head. The jugular, lateral, and v.entral series have many more chroma- 
tophores than in preceding stage. Dorsal chromatophores occur from head to 
origin of fin fold, and near tip of tail. 
BIBLIOGRAPHY 
Bean, Takleton H. 
1903. Catalogue of the fishes of New York. Bulletin No. 60, New York State Museum, 
February, 1903, 784 pp. New York. 
Ehbenbaum, E. 
1905. Eier und larven von fishen des nordischen planktons. Nordisches Plankton, Zoolo- 
gischer teil, Band I, pp. 1—216, 1905, pp. 217-414, 1909. Kiel und Leipzig. 
Fish, Marie Poland. 
1929. Contributions to the early life histories of Lake Erie fishes. Supplemental to Eight- 
eenth Annual Report, 1928 (1929), State of New York Conservation Department, 
pp. 76-95, figs. 7—23. Albany, N. Y. 
1929a. Contributions to the early life histories of Lake Erie fishes. Preliminary report on the 
cooperative survey of Lake Erie, season of 1928. Bulletin, Buffalo Society of Natural 
Sciences, Vol. XIV, No. 3, 1929. Buffalo, N. Y. 
Greeley, J. R. 
1927. Fishes of the Genesee region with annotated list. A biological survey of the Genesee 
River system. Supplemental to Sixteenth Annual Report, 1926 (1927), New York 
State Conservation Department, pp. 47-66, 8 pis. Albany, N. Y. 
1929. A biological survey of the Erie-Niagara system. Fishes of the Erie-Niagara watershed. 
Supplemental to the Eighteenth Annual Report, 1928 (1929), New York State Con- 
servation Department, pp. 150-179, figs., 8 pis. Albany, N. Y. 
FI all, Ada R. 
1925. Effects of oxygen and carbon dioxide on the development of whitefish. Contributions 
from the Zoological Laboratory of the University of Illinois, No. 256. Ecology, 
Vol. VI, 1925, pp. 104-116, 3 figs. Brooklyn, N. Y. 
Hill, Eben C. 
1906. On the Schultze clearing method as used in the anatomical laboratory of the Johns 
Hopkins University. Johns Hopkins Hospital Bulletin, Vol. XVII, April, 1906, 
pp. 111-115. Baltimore. 
Htjbbs, Carl L. 
1926. A check list of the fishes of the Great Lakes and tributary waters, with nomen clatorial 
notes and analytical keys. University of Michigan Museum of Zoology Miscel- 
laneous Publications, No. 15, 1926, 77 pp., IV Plates. Ann Arbor, Mich. 
