XVI 



LIST OF ENGRAVINGS. 



CHAPTER IX.— Continued. 



TIG. PAGE 



142. Chermes laricis. . . . Is6 



143. ,, abietis . . .187 



144. Aleyrodes proletella . . 188 



145. Aspicliotus (Mytilaspis) 



conchiformis . . . 190 



146. Lygus solani (1-4) and 



L. umbellatarum (5, 



6) 191 



FIG. PAGE 



147. Miris dolabratus (1-4) and 



M. tritici (5, G) . . .191 



148. Gryllotalpa vulgaris . . 192 



149. Forficula sp 193 



150. Caloptenus spretus . . 194 



151. Thrips cerealium (1-4), 



T. minutissima (5-8) . 196 



152. Knapsack pump . . . 197 



CHAPTER X.—MOLLUSCA, ANGUILLULIDM, dtc. 



153. Limaxagrestis(l),Limax 



(Arion) ater (2, 3) . . 



154. Limnffius truncatulus (1), 



L. pereger (2), L. stag- 

 nalis (3) .... 



155. Fasciola hepatica . . . 

 15(5. Tylenchus devastatrix . 



157. ,, tiitici . . . 



158. ,, obtusus (1), 

 Aphelenchus aveiiie 

 '2),Plectusobtusus(3) 215 



198 



20(J 

 208 

 213 

 214 



159. Tulip-rooted oat plant . 216 



160. Julus Londinensis (1), J. 



guttatus =^ pulchellus 

 (2, 3), J. terrestns (4), 

 Polydesmus compla- 

 natus (6, 7) . . . . 222 

 1()1. Tyroglyphus longior . . 224 

 1112. Tetranycbus telarius . . 225 

 163. Phytoptus sp 22(i 



