95 



Umbrella depressed, four radial canals with four ovate gonads 

 at their distal ends, marginal tentacles springing from rather square 

 bulbs, 28 in one specimen, 32 in the other, with buds growing out 

 between ; the marginal vesicles were not present, having probably 

 been destroyed ; the manubrium was four-lobed. 



4.^ AGLANTHA ROSEA (Forbes). 



From all Stations in October, 1912, and especially from 

 Station 3. 



Family Plumulariidj^. 



Group I. — Eleutheroplea. 



1. PLUMULARIA PINNATA (Linn.). 



Not uncommon from low water to deep water. Alder. 

 Dredged from Station 8, and 6 miles east of the Longstone. 

 Gonophores : capsules in July. 



2. PLUMULARIA SETACEA (EUis). 



Frequent at low water and in shallow water. Alder. 

 Dredged from Stations 4 and 7 (17 fathoms and 35 fathoms), 

 and from the Hues, 22 fathoms east of Cuilercoats. 

 Gonophores : full and empty capsules in January. 



3. PLUMULARIA CATHARINA, Johnston. 



Frequent on Zooph}i:es and Ascidia from deep water. Alder. 

 Dredged from Stations 7 and 8, and 6 miles east of the Long- 

 stone. 



Gonophores : capsules in July. 



4 PLUMULARIA ECHINULATA, Lamarck. 

 Not rare, Cuilercoats and Ryhope. Alder. 

 Dredged from Stations 7 and 9, and 8 miles E.JS. of Culler- 

 coats. 



5. PLUMULARIA HALECIOIDES, Alder. 



Not common, Cuilercoats and elsewhere. Alder. 

 Cuilercoats, on sides of rock pools and Laminaria roots, rather 

 rare. 



6. PLUMULARIA FRUTESCENS (Ellis and Sol.) 

 Rare, Cuilercoats and Whitburn. Alder. 



