LERNENTOMA. 
327 
Chondracanthus Zei. Tab. XXXV, fig. 1. 
Chondracanthus Zei, Be la Roche , Nouv. Bull, des Sc. de la Soc. 
Philom., ii, 270, t. 2, f. 2, 1 811.. 
— Lamarck, Hist. An. s. Vert., iii, 682. 
— Burmeister, Nov. Act. Nat. Cur., xvii, 325. 
— Guerin, Icon. Begne Anim. Zooph., t. 9, f. 9, 
— M. Edwards, Hist. Nat. Crust., iii, 504, No. 7. 
LERNACANTHADELAROCHiANA,Btom7/<?, Journ. Phys.,xcv, tab. xxvi, 
f. 13, 1822. 
— Besmarest, Cons. gen. Crust., 350,. 
Body short, and rather thick. Head rounded. Antennae 
short, and rather broad. Neck narrow, short. Thorax 
carrying on the under surface two pairs of small ap- 
pendages, each consisting of three divisions or fingers, 
and furnished laterally with three pairs of longer pro- 
longations, of many divisions, the terminal one on each 
side larger than the others, and embracing the oviferous 
sacs. The upper part of the thorax is covered with short, 
conical, sharp-pointed spines. Abdomen rudimentary. 
Oviferous sacs flattened, containing many small ova. 
Hab. — Found adhering to the gills of the Zeus faber , 
by J. Crouch, Esq. “ Dr. Leach.” British Museum. 
Genus 2 — Lernentoma. 
Lernentoma, Blainville, Journ. Phys., 1822. 
— Besmarest, Cons. gen. sur les Crust. 
Anops {pars), Oken, Lehrbuch der Naturg., 1815. 
Entomoda ( pars), Lamarck, Hist. An. s. Vert., iii, 1816. 
Lern^ea, Muller, Zool. Dan. 
Chondracanthus {pars), Cuvier , Begne An., 1817. 
— Nordmann, Mikr. Beitr. 
— Burmeister, Nov. Act. Nat. Cur., xvii. 
— Rathke, Nov. Act., xx. 
— M. Edwards, Hist. Nat. Crust. 
Character . — Foot-jaws and thoracic appendages as in 
Chondracanthus. Oviferous tubes long, either club- 
shaped and stout, or slender and twisting. 
