INSECTS. APTERA* 120. Monoculus. 
Tail inflected : fiicll oval unarmed. , 
In Marflies, Mull. Entmtfi, ». 37. tab. iztfig. ii, ir. 
SMI pellucid ycliowilh : legs 8. 
Tail inflefted: hind-head with 2 projedliug horns. 
In Mar/hes. Mull. Entom. n. tab. \z. fig. i 3. 
SMI oval pellucid with gaping valves and ciliace on the fbrf-' 
margin : tail with z long briftles : legs 6—8. 
Tail infledled: front with 2 infledled horns. 
In pools. Mull. Enteinost. n. 39. tah. 13, fig. 1,2. 
Shell hairy on the for»-margins ; front with 2 pendent hprs* ■ 
tail ending in 2 hooks: legs 8. 
Tail infleded : (hell ovat<s beneath infleded and pricklf 
behind- 
In Marlhes. Mull. Entotii. m. 40. tab. 13, fg. 6, 7. 
(Swims on it’s back on the furfacc of the water. 
. SW/with4 black dorfa! ftreaks : legs 12. 
Ciyjlallinus Tail infleded: fliell oblong cryflalline; head with 2 (hof^ 
horns at the tip. ^ 
' In frefh Water. Mull. Entem.n. \\. tab. fig. i — 4. 
Body white pellucid with 12 hairy legs. 
766- 
Simus, 
Reflirostris 
Curmlros- 
tris. 
*Muer»- 
natus. 
« 
fiedi cuius. 
Setifier. 
Viridis, 
tLuteus. 
Tail refleded. 
In frelh water. Degeer. Inf. 7. tab. 28. £g, 9, 10. 
Tail ftraight : (hells with long tuffs of hairs at the apgl^^ 
of the valves. 
In ftagnant pools. Mull. Ent. ti. 42. tab. 14 fig. 5 7. 
Shell oblong pellucid cryflalline : antenna with, 3 branches : Af' 
very hairy, 8 or more; tail divided at the tip. 
C. With a ftngle eye and bivalve Jhtll; 0ntenna ftmpU. 
Shell dvate downy green. 
Mull. Entomost.p, 64. tab. J.fig. I, 2. 
In fea water, on Fuci and Conferva:. 
Fore-legs falcate and ferrate within. 
Shell ovate gibbous glabrous pale yellow. 
Om Fuci. Mull. Eniomost. p,6^. tab. y.fig. 3, 4. 
• Flavidd!' 
