vi Table of Contents 



Plates 



Page 



Plate I. Fig. i. Davis : Union between a White Oak and a Birch. 



Fig. 2. Hollick : Union between a White Oak and a 

 Beech. 

 Plate 2. Holhck : Silver Lake Basin. 



Fig. I. Looking northeast across the partly drained lake 

 bottom. 



Fig. 2. View across the receding water, northeast end, 

 showing advancing terrestrial vegetation. 

 Plate 3. Idem. 



Fig. I. Decodon vcrticillatiis zone, on former shore 

 margin of peat bed at northeast end. 



Fig. 2. Part of the drained lake bottom, northeast end. 

 Decodon zone in the background, Bidens 

 laevis in the foreground. 

 Plate 4. Idem. 



Fig. I. Ditch cut through peat bed at northeast end. 



Fig. 2. Shrinkage cracks, surface of silt deposit toward 

 middle of former lake bottom. 

 Plate 5. Idem. 



Fig. I. Beginning of a crevasse in the marginal silt. 



Fig. 2. A slip, following a crevasse in the marginal silt, 

 exposing the original lake bottom. 

 Plate 6. Hollick: Cubberly House [Britton Cottage]. 



Fig. I. Reproduction of a water color sketch made by 

 Adam W. Spies about 1848-50, showing 

 northwest side and southwest end. 



Fig. 2. Photograph taken January 5, 1915, from ap- 

 proximately the same point of view as 

 Figure i. 

 Plate/. Idem. 



Fig. I. View of southeast side and northeast end, look- 

 ing up New Dorp Lane from the shore. 

 Photograph taken about 1900. 



Fig. 2. View of southeast side and southwest end. 

 Photograph taken about 1903. 



