28 MULTI VALVES. — LEPAS. 



Aculeatiis — Prickly. Cimex — Bug-like. 



*FascicuIaris — Banded. Asellus — Millipede. 



Puuctatus — Dotted. Gigas — Large. 



Ruber — Red. Islandicus — Icelandic. 



Al bus — White. *Marginatus — Marginated. 



Cinereus — Ash-coloured. *Laevis — Smooth. 



Bicolor — Variegated. AmiciUatus — Imbricated. 



Cerashms—Cherry-coloiired. Tuberculatus — Knobbed. 



MageUai\\cus—Magella7i. *Cnnitm~IIairy. 



Fusms— Brown. Thalassinus — Sea-green. 



Granulatus — Granulated. Hispidus — Bristly. 



Piceus — Pitchy. Porosus — Porous. 



Minimus — Mealy. Larva;formis — Caterpillar. 



Division III. — Having a spinous margin. 



Spiaosus — Spiny. Spiniferus — Thorny. 



LEPAS. — AcoiiN Shell, or Barnacle. 



Animal — a Triton: Shell affixed at the base, and cons'isiing 

 of many unequal, erect valves. 



THE genus Lepas includes forty-four species, which, for 

 the most part, bear a strong resembhmce to each other, at 

 least with regard to their general formation and outline. 



The most prominent feature of these shells is their being 

 (with few exceptions) of a more or less conical shape, which 

 is acquired by a number of valves placed perpendicularly 

 on a base, broad at the lower margin, and gradually taper- 

 ing towards the summit, which is closed by smaller valves, 

 placed horizontally, and serving as a lid or covering to the 

 animal within. 



The perpendicular valves are incapable of motion : the 

 horizontal, on the contrary, are moveable at the pleasure 



