149 



Page 



Sand rocket 38 



Sandstone, Triassic 17 



, " shaly 16 



Sarracenia purpurea 109 



Saw-whet owl 104 



Saxifrag-a pennsylvanica 40 



Saxifrag'e, Swamp 40 



Scarlet painted-cup 109 



Schist, Hornblende 78 



, Mica ' 9 



, Tremolite yy 



Scoter duck 33 



Scrophularia leporella 38 



Scrub oak 28, 97, 98 



Seaside sparrow 103 



Sensitive fern 62 



Sequoia 30 



Sericocarpus linifolius 28 



Serpentine 76, yj, 78 



Serpentinoid yj , 78, 79 



Seventeen-year locust 91 



Shale, Triassic 17 



Shaly sandstone, Triassic 16 



Sharp-tailed sparrow.. .86. 87, 103 



Shield fern, Crested 63 



" , Marginal 64 



" , Spinulose 62 



Short-eared owl 98 



Showy lady's slipper no 



Shrike, Great northern 25 



, Migrant 91 



, Northern 104 



Sialia sialis 103 



Silkworm, American 33 



Silvery spleenwort 62 



Sisymbrium altissimum 37 



Sitta canadensis 86 



Slender blue flag 38 



Smaller purple-fringed orchis. . no 



Snakemouth no 



Snakeroot, Virginia no 



Snow bunting 104 



Snowberry , Creeping no 



Soapstone 3' - 76, 77 



Soft clam 33 



Page 



Solomon's seal 38 



Spanish oak 97 



Sparrow, Chipping 33 



, Fox 103 



, Grasshopper 103 



, Ipswich 28 



, Nelson's 86, 87 



. Seaside 103 



" .Sharp-tailed 86,87 



, Swamp 103 



Sphinx, Catalpa 24 



Spider, Crab 29 



Spinel 79 



Spinulose shield fern 62 



Spinus pinus 86, 102 



Spiraea tomentosa 40 



Spizella socialis 33 



Spleenwort, Ebony 62, 63 



, Silvery 62 



Sponge, Fresh-waier 32 



Spruce 27 



Squash 1 30 



Squirrel corn I09 



, Red 14 



Staphylea trifolia 41. m 



Starling, English I9 



Star-nosed mole 74 



Stellaria longipes 39 



Stilbite 29 



Stinging nettle 39 



Sting ray 7^ 



Stemless yellow violet 38 



Strawberry, Indian 28 



Strix pratincola 84 



Sumac 45 



, Poison 33 



Sundew, Oblong-leaved 109 



, Round-leaved 109 



Sunflower 42 



Swamp saxifrage 40 



" sparrow I03 



Swallow, Barn 112 



Sweet gum 104 



Syrnium nebulosum 72i 



