INDEX 599 
Sciocorini, 174, 175. 
Sciocoris, 175. 
microphthalmus, 175. 
umbrinus, 175. 
Scirpus atrovirens, 554, 561. 
fluviatilis, 533, 584, 537, 538, 542, 
553, 554, 555, 558, 560. 
lineatus, 561. 
pedicellatus, 561. 
validus, 554, 560. 
Scleria triglomerata, 561. 
Scolia dubia, 89. 
Scrophularia nodosa, 188. 
Scrophulariaceae, 566. 
Scutellaria aenifrons, 170. 
binotata, 168. 
dubia, 172. 
galericulata, 554. 
laterifolia, 566. 
parvula, 556, 566. 
Scutellerinae, 159, 160, 161, 162, 164, 
165, 166, 167-171, 186. 
Sea-urchin, 29. 
eggs, 31. 
Sedge-root, edible, 205. 
Sedges, 543, 569, 570. 
Sehirini, 202, 203. 
Sehirus, 160, 163, 208. 
cinctus, 203. 
Selachostomi, 230. 
Selaginella apus, 559. 
rupestris, 549, 550, 559. 
Selaginellaceae, 559. 
Senecio aureus, 555, 568. 
balsamitae, 555, 568. 
Serica, 78, 85. 
Serinetha, 161. 
Setaria, 189. 
glauca, 293, 559. 
viridis, 559. 
Shad, 25. 
Sheepshead, 150, 151, 152, 155, 230. 
Shiner, 154. 
Common, 29. 
Shovel-fish, 155. 
Shrew, 129. 
Short-tailed, 129. 
Shrimps, 28, 29. 
fresh-water, 28, 435. 
Sialia sialis, 125. 
Sialis larvae, 517, 520. 
Silene antirrhina, 563. 
Silphium, 538. 
integrifolium, 568. 
laciniatum, 539, 556, 568. 
terebinthinaceum, 539, 556, 568. 
Silverside, Brook, 27. 
Sisyrinchium angustifolium, 555, 562. 
Sium cicutaefolium, 554, 565. 
Skunk, Common, 127. 
Spotted, 127. 
White-backed, 127. 
Skunks, 53, 55, 58, 120, 127, 128, 129. 
Slider, 231. ‘ 
Smartweed, 291, 292, 293. 
Borer, 291-294 (see Errata), 
304. 
Snails, 364, 365, 374, 382, 384, 401, 407, 
414, 427, 431, 434, 435, 437, 440, 
463, 472, 476. 
gilled, 34. 
Snake, Black, 231. 
Snakes, 232. 
Snapper, Common, 231. 
Solanaceae, 566. 
Solidago altissima, 567. 
canadensis, 567. 
graminifolia, 556, 567. 
missouriensis, 567. 
nemoralis, 544, 556, 567. 
riddellii, 555, 567. 
rigida, 556, 567. 
serotina, 555, 567. 
303- 
sp., 293. 
Solubea, 160, 177, 179, 188. 
pugnax, 188. 
Somatogyrus sp., 478, 479. 
Sora, 126. 
Sorghastrum nutans, 545, 546, 551, 555, 
556, 559. 
Spanish needles, 214, 293, 295. 
