252 NATURE'S CALENDAR 



November 30 Winter visitors begin to arrive from the 



North irregularly, according to boreal weather 



conditions. 



BATRACHIANS AND REPTILES 



Retired for the winter. 



FISHES 



Fresh-water fishes descending streams or leav- 

 ing lake shores for deep water. 



Sea fishes leaving the shore for deep water, 

 or departing southward. 



Trout and Sahiwnoids . — Spawning. 



Codfish. — Approach the shore and begin to 

 spawn. 



Various marine invertebrates spawning. 



INSECTS 



See Calendars for October and January.) 



