. A biological survey of the Erie-Niagara system. Supplemental to Eighteenth annual report, 1928. Natural history -- New York (State); Fishes -- Erie, Lake; Fishes -- Niagara River (N. Y. and Ont. ); Erie, Lake; Niagara River (N. Y. and Ont. ). Biological Survey—Erie-Niagara Watershed 85 mm. stage. Total longtli mm; standard Icngtli mm; length to vent mm; length of head mm; length of maxillary mm; diameter of eye mm; greatest depth (head) mm; depth at stomach mm; greatest depth behind vent mm. Nine dorsal elements and short rays; no anal rays; caud
. A biological survey of the Erie-Niagara system. Supplemental to Eighteenth annual report, 1928. Natural history -- New York (State); Fishes -- Erie, Lake; Fishes -- Niagara River (N. Y. and Ont. ); Erie, Lake; Niagara River (N. Y. and Ont. ). Biological Survey—Erie-Niagara Watershed 85 mm. stage. Total longtli mm; standard Icngtli mm; length to vent mm; length of head mm; length of maxillary mm; diameter of eye mm; greatest depth (head) mm; depth at stomach mm; greatest depth behind vent mm. Nine dorsal elements and short rays; no anal rays; caudal rays developing; small ventrals apparent directly beneath dorsal rays. Vent still ending away from body at margin of embryonic fin. Body somewhat heavier than preceding; pig- mentation Fig. 10.—Leucichthys artedi, millimeters ynm. stage. Fig 10. Total length mm; length to vent mm; length of head mm; length of maxillary mm; greatest depth (head) mm; diameter of eye mm. Elements complete and 10 dorsal rays visible; 10 anal elements but no rays; ventrals larger but not rayed. Breeding.— The lake herring spawns in November and early December, coming into shallow water in vast schools for the pur- pose. The eggs incubate on the bottom during the long winter months, hatching the following spring, the exact date dependent upon the temperature of the water. Coregomis clupeafonms Mitchill—-AVhitefish Record of Capture.—As in the case of the lake herring, the late start of our collecting trips during the past summer prevented the capture of eggs and early j^oung of this species. The following notes are based on a series of eggs obtained from E. L. Wickliff at Put-in-Bay, Ohio, and young from 7 days to 109 days from Dr. John Van Oosten, raised at the New York Aquarium. The later stages described were loaned by J. L, Hart. Description.— Egg. Fig. 11. Diameter mostly to mm; perfectly spherical, yolk yellowish or amber w
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