770 
Cyclops. 
INSECTS. APTERA. 120. Monoculus. 
long 
Shell convex with 3 lines of raifcd fpines : tail very 
and unarmed. 
Inhabits Istdia. Limulus Cyclops. Fab. ii. p. 488. -(Ij 
About a third part the fize of the lall. Shell lunate befor* 
3 railed dorfal lines and 2 acute teeth, finely ferrate be 
' with a railed line in the middle in which are 3 teeth. 
• Apus. Shell oblong, truncate and ferrate behind : tail ending 
bridles. 
In ftagnant water. Sulx. Inf. tab. 153. 
Philofoph. Franfaft. 40.^. tjo. tabm 2, 
• Pijcinusf 
Shell heart-fhaped, flat. 
Frifch Inj. 6 . tab. 12. Bailer. 2. tab. 8. fig. 9, to. 
Inhabits the Ocean, and adheres to various filh : moves 
quick with it’s tail elevated. . jj s 
Shell pellucid with yellowifh marks r abdomen very fhort 
long bifid tail. 
Pennigerus. Shell hemifphcrical with a linear future ; tail feathered- 
In frefh water. Mull. Entomeji.p. 127. a, 62, 
Saieneneus. Shell oblong ; tail imbricate 4-Ieaved. 
Mull. Entomoff. p‘ 132, a. 64. tab. 21, fig, 3, 4. 
Found flicking to the Salmmon, between the fcales. 
Body long yellowifh with very minute eyes. 
H. Shell bivalve : eyes 2 antenna capillary* 
Brachyurut Shell globular r tail defletSled ; antennas 4. 
In Marfhes. Mull, Entom. n, 'y^.tab, S.Jig. 1 — iz. 
Shell pellucid, reddifh-brown when young and green when o , 
with a white eye on the fore-part and a black one ben 
legs 20— 24, 
*Spbaruut Shell globular: tail infle£led: antennm 2, 
Mull. EntomoB. p. 71. a. 26, tab. ey. fig, 7—9. 
In ftagnant water among duck-weed. jj,e 
Shell rufous: legs 12.: tail finuate beneath with a claw * 
tip. 
fpuadran- 
gularis. 
Shell quadrangular : tail infleSed : antennte 2. 
In moft waters. Mull, Entom, tab. ey, fig. 1—3. 
Legs 12— 16 larger, befides numerous leiler-ones: * 
with 2 minute fpines at the tip. 
