ILLUSTRATIONS AND THEIR SOURCES 267 



134. Water Tiger. Original Drawing from Life by Helen Winchester 143 



135. Spearmouth. Drawing from Life by Helen Winchester 144 



136. Nymph of Dragon Fly. Original Drawing from Life by Helen Winchester. 144 



137. Dragon Fly Larva Catching Fish. Drawing from Life by Mary Weber. . . 144 



138. Diving Beetle. Drawing from Life by Helen Winchester 145 



139. Water Scavenger Beetle. Drawing from Life by Helen Winchester 146 



140. Giant Water Bug. Drawing from Life by Helen Winchester 146 



141. Giant Water Bug. Drawing from Life by Helen Winchester 146 



142. Water Scorpion. Drawing from Life by Mary Weber 147 



143. Whirligig Beetle. After Mary Wellman 147 



144. Larva of Whirligig Beetle. After Mary Wellman 147 



145. Water Strider. Drawing from Life by Helen Winchester 147 



146. Water Mite. Drawing from Life by Helen Winchester 148 



147. Hydra. Drawing from Life by Evelyn B. Innes 148 



148. Water Boatman. Drawing from Life by Helen Winchester 149 



149. Goldfish with Fungus. Drawing from Life by Franklin Barrett 153 



150. Fish Louse. Original Drawing from Life by Helen Winchester 160 



151. Aqua-Terrarium. After Zernecke 163 



152. Chameleon. Photograph (in colors) from Life by the Author 164 



153. Pine-tree Lizard. Photograph from Life by the Author 165 



154. Six-lined Skink. Photograph from Life by the Author 165 



155. Geographic Turtles. Photograph from Life by the Author 166 



156. Soft-shelled Turtle. Photograph from Life by the Author 166 



157. Swamp Aquarium. After Zernecke 167 



158. Aquatic Plant Roots. Original Drawing by Evelyn B. Innes 171 



159. Sagittaria natans. Drawn by Henry P. Schwing from Original Sketch by 



Franklin Barrett 173 



160. Giant Sagittaria. Original Drawing by Helen Winchester 175 



161. Wild Ludwigia. Drawing from Life by Mary Weber 177 



162. Sagittaria subulata. Drawn by Henry P. Schwing from Original Sketch 



by Franklin Barrett 1'' 



163. Vallisneria. Drawn by Henry P. Schwing from Original Sketch by Frank- 



lin Barrett 179 



164. Giant Vallisneria. Drawing from Life by Helen Winchester 181 



165. Cabomba. Drawing from Life by Helen Winchester 183 



166. Anacharis. Drawing from Life by Helen Winchester 183 



167. Wild Anacharis. Drawing from Life by Helen Winchester 185 



168. Myriophyllum. Drawing from Life by Helen Winchester 186 



169. Bladderwort. Drawing from Life by Helen Winchester 186 



170'. Hair Grass. Drawing by Henry P. Schwing from Original Sketch by 



Franklin Barrett ■■ '^°' 



171. Potamogeton. Drawing by Henry P. Schwing from Origmal Sketch by 



Franklin Barrett |°° 



172 Nitella Original Drawing from Life by Evelyn B. Innes 1»» 



173. Ludwigia. Drawing by Henry P. Schwing from Original Sketch by Frank- ^^^ 



lin Barrett • ^ ' c' V ' '■ mi 



174. Spatterdock (Southern). Drawn from Life by Henry P. Schwmg 91 



175. Spatterdock (Japanese). Drawn from Life by Henry P. Schwmg 92 



176. Fontinalis gracilis. Drawing from Life by Mary Welder 93 



177. Fontinalis antipyretica. Drawing from Life by Mary Weber 93 



178 Herpestis. Drawing from Life by Franklm Barrett W 



179 Starwort. Drawing from Life by Mary Weber ....._. jyo 



180 Qunl^ort. Drawn by Henry P. Schwing after Sketch by W. A. Peyser. 96 



18L Mare's Tail. Drawing from Life by Heleti Winchester 9/ 



182. Moneywort. Drawing from Life by Franklm Barrett iv/ 



