206 LIBELLULA, LONCHUUUS. 



with a blackish spot ; abdomen depressed 



downy. 



depressa, all the wings blackish at the base. 

 vulgata, wings hyaline without spots ; abdomen 



cylindric rufous. 

 vulgatissima, thorax yellow with 8 black streaks. 



Section B. Wings erect when at rest. 

 virgn, wings coloured ; body greenish-blue, silky 



or green. 



pudla> wings hyaline, not coloured ; body red, 

 spotted, blue, cinereous or blueish-green. 

 See MS. P. 



11 2. LIGULA. Spec. 2. 



abdominalis, (fish-worm,) pale-ash, broad. From 

 6 inches to 5 feet long. In the intestines offish. 

 See MS. P. 



9 1. LIMAX. Spec. 15. 



ater, (black slug, naked snail,) body black and 

 furrowed with deep wrinkles. From one to 

 five inches long. Crawls slowly leaving a sli- 

 my track. 

 maximus, (large slug,) body cinereous, with or 



without spots. 4 or 5 inches long. 

 agrestis, (field slug,) body whitish ; with black 

 antennae. Half an inch long, 

 See MS. P. 



9 1. LOBARIA. Spec. 1, 



quadrilobd) tail with four lobes. 



See MS. P. 



4 3. LONGHURUS. Spec. 1. 



barbatus, brown, with two cirri under the chin : 

 body brown. About ten inches long. 

 See MS. P, 



