38 
BRITISH RADIATA. 
3. Beroe borealis. 
Idya , n. s., Fremenville, N. Bull. Soc. Phil. 1809, 239. fig. ; 
Fletn. Mem. Roy. Soc. Edinb. iii. 400. t. 38. figs. 3, 4. 
Idya borealis, Lesson ; Lamk. Hist. 2nd edit. iii. 51. 
Beroe?, Esch. Acal. Syst. 38. 
Inhab. North Sea. 
Fam. 2. Callianirid^e. 
Callianiridae, Esch. Acal. Syst. 21 ; Gray, Syn. Brit. Mus. 1842 ; 
Lamk. Hist. 2nd edit. iii. 32. 
1. Cydippe. 
Cydippe, Esch. Acal. Syst. 25; Lesson, Ann. Sci. Nat. 1836, v. 
256 ; Lamk. Hist. A. s. V. 2nd edit. iii. 35. 
Eucharis, Peron, Ann. Mus. 
Pleurobrancliaea, Flem. Phil. Zool. 612. 
Pleurobrancliia, Flem. Brit. Anim. 1828. 
Eschscholtzia, Lesson, Ann. Sci. Nat. 1836. 
Mertensia, Lesson, Ann. Sci. Nat. 1836. 
1. Cydippe pileus. 
Volvax bicaudatus, Linn. S. N. 1325. 
Beroe pileus, Muller, Prod. n. 281/ ; Lamk. Hist. ii. 470; Cuv. 
R. A. iv. 59; Scoresby, Arct. Reg. i. 549. t. 16. fig. 4. 
Medusa pileus, Gmelin, S. N. 3152. 
Cydippe pileus, Esch. Acal. Syst. 24; Lamk. Hist. 2nd edit. iii. 
36. 
Pleurobranchia pileus, Flem. Brit. Anim. 504. 
Beroe laevigatus, Moodeer-, Gronov.Act. Helv. iv.36. t.4. figs. 1-6; 
Baster. Opusc. 124. t. 14. figs. 6, 7- 
Inhab. British Channel. 
2. Cydippe infundibulum. 
Volvox Beroe, Linn. S. N. 1324. 
Beroe infundibulum, Muller, Prod. n. 2816; Moodeer, N. A. 
Schw.Akad. 1790, 11. 
Medusa infundibulum, Gmel. S. N. 3152. 
Cydippe infundibulum, Esch. Acal. 26 ; Lamk. Hist. 2nd edit, 
iii. 37. 
Beroe ovata, Bast. Opusc. i. 123. 1. 14. fig. 5; Lamk. Hist. ii. 469. 
Beroe ovatus, Flem. Brit. Anim. 502. 
Beroe, Flem. Wern. Mem. iii. 401. t. 18. figs. 3, 4 ; Ellis, Phil. 
Trans, lix. 144. 
Inhab. Firth of Tay. 
