SYNOPSIS OF LAKV-E. 51 



the edge of the leaf, with the body kept closely pressed 

 to it and following its shape. Entirely green or with 

 dorsal or lateral lines. 



1. Body entirely green or green above, with the 

 lower part of the sides of a paler tint. Nematus rufi- 

 cornis, N. rumicis, N. fulvipes. 



2. Body with black lateral lines. Nematus crassus, 

 N. miliaris. 



3. Body with white lateral or dorsal lines. Nematus 

 caprece, N. curtispina, N. myosotidis, N. histrio, N. 

 fallax. 



4. Body with pink lines. N. curtispina, N. Berg- 

 manni. 



5. Body with greenish tubercles. N. glutinosce. 



B. Bodies marked with black, blue, yellow, or 

 orange, irregularly-disposed spots and lines; giving 

 out generally a bad smell, and feeding on the edge of 

 the leaf with the after part of the body stuck out in 

 the air. No tubercles or hairs. 



a. With distinct ventral glands. 



Body black with orange legs. Crcesus latipes. 

 Body green with faint black lines. Crcesus varus. 

 Body green with orange markings. Croesus septen- 

 trionalis. 



b. Without distinct ventral glands. 



i. Bodies greenish, marked with orange, &c. Ne- 

 matus fulvus, N. cadderensis, N. pavidus, N. betulce, N. 

 melanocephalus, N. salicis, N. conjugatus, N. lacteus, 

 N. maculiger, Cam. 



ii. Body for the greater part reddish without any 

 green. 



1. Red with black marks down the back. N. quercus. 



2. Red with white marks down the back. An un- 

 known Nematus on birch. 



3. Body dirty reddish-brown. Nematus dorsatus 9 

 N. caprece (one form), N. acuminatus. 



C. As in B, but body provided with distinct tuber- 

 cles, each ending in a stiff longish hair. 



a. Ground colour orange, with black marks, feeding 



