40 
BRITISH RADI ATA. 
1. Arethusa ? 
Physalis, Thompson , Ann. and Mag. Nat. Hist. 
Inhab. Coast of Ireland, W. Thompson. 
Order V. CHONDROGRADiE, 
Chondrogrades, Blainv. Diet. Sci. Nat. lx.; Man. Act. 110. 
Chondrogradae, Gray, Syn. Brit. Mus. 1842, 134. 
Cirrhigrades, Blainv. Diet. Sci. Nat. lx. ; Man. Act. 303. 
Velellidtc, Esch. Acal. Syst. 165. 
Physophorides part., Lamk. Hist. 2nd edit. iii. 73. 
Fam. 1. VelellidjB. 
Velellidae, Esch. Acal. Syst. 165; Gray, Syn. B.M. 1842, 134. 
Cirrhigrades, Blainv. Man. Act. 303. 
1. Aglaura. 
Aglaura, Oken, Lehrb. 125, 1815. 
Velella, sp. Flem. Brit. Anim. 500. 
Rataria, Esch. Acal. Syst. 166 (1829). 
1. Aglaura pocillum. 
Medusa pocillum, Mont. Linn. Trans, xi. 1. 14. fig. 4 ; Isis, 1817, 
483. t. 3. fig. 4. 
Rataria pocillum, Esch. Acal. Syst. 168 ; Lamk. Hist. 2nd edit, 
iii. 97. 
Velella pocillum, Flem. Brit. Anim. 500. 
Aglaura crista, Oken, Naturg. 135. 
Inhab. Devonshire. 
2. Phyllodoce. 
Phyllodoce, Browne, Jam. 387 ; Moodeer, not Salisbury. 
Velella, Lamk. Syst. ( 1801), 355; Hist. 2nd edit. iii. 99; Peron, 
Ann. Nat. Hist . ; Esch. Acal. Syst. 168. 
1. Phyllodoce vulgaris. 
Velella vulgaris, Leach, MSS. Brit. Mus. 1819. 
V. limbosa, Lamk.l ; Flem. Brit. Anim. 500. 
V. aurora, Esch. Acal. Syst. 171. 
? Ilolothuria spirans, Forsk. ; Penn, Light. FI. Scot. i. 66. 
? Medusa Velella, Linn. S. N. 1098? ; Walker, MSS. 1771. 
? Phyllodoce Velella, Moodeer. 
