204 LATUS, LEPTOCEPHALUS, 
Sec. B. Mostrils covered with a cere. 
parastticus, (AEctic gull,) two middle tail-feathers 
very long 
erepidatus, (black-toed gull,) varied with dirty- 
white and brown, pale beneath ; two middle 
tail-feathers a little longer. 16 inches long. 
eataractes, (skua-gull,) greyish ; quill and tail- 
feathers white at the base ; tail sub-equal. 
See MS. P. 
1i—2. Lemur. Spec. 13. 
volans, (flying cat,) tailed ; surrounded by a mem- 
brane formed for flying. 
See MS. P. 
9—2. Lepas. Spec. 32. 
enterteata, (acorn-shell,) subdepressed ; valves 
imbricate and obliquely striate. Adhering to 
oysters, &c. 
titinnabulum, shell conic, obtuse, bellform, rug- 
ged ; fixed to bottoms of ships, &c. purplish 
and bluish. 
anatifera, (duck barnacle,) shell compressed, five- 
valved, smooth, seated ona peduncle. In clus- 
ters on ships’ bottoms, &c. Bluish-white. 
See MS. P. 
8—2. Lerrisma. Spec. 7. 
saccharina, (sugar lepisma,) scaly, silvery, lead- 
colour, with a tripple tail. Runs swiftly. Of 
ten found in sugar. 
See MS. P. 
4—1. LeprocepHarus. Spec. 1. 
morrisint, (morris,) body almost transparent ; dor- 
sal fins low and thin, extending the whole 
Jength of the back. 4 inches long. 
See MS. P. 
