CLASS I. CRUSTACEA. 10S 
^P- 1. Jas. pukhella. Thumb of the second pair of legs with its internal 
.. edge notched at the base ; colour white painted with red. 
/"■ Hands of the second pair with an elongate obtuse tooth. 
ar - (3. Hands of the second pair with the internal edge tridentate. 
d<issa pulchella. Leach, Edin. Encyd, vii. 433, — 'Trans. Linn, Soc. xi, 
o(il — Supp. to Encyd. Brit. i. 420. 
“habits the sea of southern Devon amongst fuci. 
Subdivision 2. — Second pair of legs wit ha moderate-sized hand. 
s Genus 13. COROPII1UM. Lair., Leach. 
( ,P'l. Cor. hngicvrm. 
j' ce! " grossipes. Linn. Syst. Nat. i. 1053. Astacus grossipes. Penn. 
Zool. iv. pi. 10. jig. 31. Corophiuro longicorne. Lutr.Gen. 
Crust, et Insect, i. 59. Leach, Edin. Encyd. vii. 403. — 432. — Trans. 
Linn. Soc. xi. 662. — Supp. to Encyd. Brit. i. 426. 
“habits the coast of the European ocean. At low title it may be ob- 
served crawling amongst the mud. Ii is very common at the mouth 
01 the river Medway, where it was first observed by J. Hcnslow, esq. 
Section TT. 
dy depressed: antennas four: legs fourteen. 
: odi 
A. Tail without appendices, 
Tam. TTI. Cavrellaiui, Leach, 
S T , 
it with all the segments bearing legs. 
Iap s l. Body linear, 
o Genus 14. PHOTO. Leach. 
0r [ d ’ third, and fourth pair of legs appcndiculatcd at their bases, 
of |°. this germs belongs Squilla pedata, and probably also ventrkosa 
■ "Hiller, with Cancer Gammarus pedatus of Montagu, which is pro- 
a dy the same with $.pedata of Muller. See Transact ions of the Lin- 
Can Society, vol. xi. p. 6. t. 11./. 0. 
Seco, u j CnU3 la ' GAPKELLA. Lamarck, T.atr., Bose, I.cach. 
^ i third, tend fourth pubs of kgs not appentliculated at their bases; 
^ third and fourth pairs spurious, subgeiadnous, and globose. 
§ animals composing this genus inhabit the sea, living amongst 
t n rt, ‘ ar ‘ a and marine plants, moving geometrically like the larva; of 
huleenadce. 
at' s P ec ^ ,c character may be taken from the number and situ- 
i ° n die spines on the head and back, form of the second pair of 
g &c. 
ter P ,ms>na - Hands of the second pair of legs narrow, their in- 
o-; al «lge acutely notched backwards; back anteriorly with three 
• lle s, turning forwards. 
