CATALOGUE OF BRITISH CRUSTACEA. 99 



Lynceus hamatus, Baird, Proc. Berw. Nat. Club, i. TOO, t. 2, f. 18. 

 Yetholm. 



7. PERACANTHA. 



Peracantha, Baird, Ann. fy Mag. Nat. Hist. xi. ; Brit. Ent. p. 



136. 

 Lynceus, Midler, sp. 



1. PERACANTHA TRUNCATA. Blunt Water-flea. 



Peracantha tmncata, Baird, Ann. Sf Mag. Nat. Hist. xi. p. 94, t. 



3, f. 15 ; Proc. Berw. Nat. Club. ii. p. 151 ; Brit. Ent. p. 137, t. 



16, f. 1. 

 Lynceus truncatus, Muller, Ent. p. 75, t. 11, f. 4 6; M. Echr 



Crust, iii. p. 388 ; Koch. Deutsch. Crust, p. 30, t. 11. 



e. Near London (Copenhagen Fields, Richmond, &c.). Pre- 

 sented by Dr. Baird. 

 Near Yetholm. 



K 2 



