Br Herdman on the Invertebrate Fauna of Lamlasli Bay, 21 

 HYDROIDA. 



CAMPANULAEIIDiE. 



Ohelia longissima (Pall.). 



Campanularia hincJcsi (Aid.). 



On Sertularians, 10 to 20 fathoms. 



C. gigantea (Hincks). 



Not uncommon on shells and stones off 

 the south-west side of Holy Isle, 15 to 20 

 fathoms; also off Whiting Bay, 25 fathoms, 

 on shells. 



C. raridentata (Aid.). 



On Biphasia rosacea. 



Gonothyrea hyaliTia (Hincks) ? 



COPPINIID^. 



Gopjpinia arcta (Daly.). 



Opposite St Molios' Cave, Holy Isle, in 

 15 to 20 fathoms. 



Sertulariid^. 

 Sertularella te^iella (Aid.). 

 Biphasia fallax (Johnst.). 

 Sertularia cupressina (Linn.). 

 Thuiaria articulata (Pall.). 



Plumulariid^. 

 Aglaophenia niyriophyllum (Linn.). 



Off the west side of Holy Isle in 15 to 



20 fathoms. 

 Plumularia cathariiuc (Johnst.). 

 F. frutescens (EU. and Sol.). 



Opposite the farm-house on Holy Isle, 200 



yards from the shore, in 10 to 20 fathoms. 



ALCYONAPJA. 



ALCYONIIDiE. 



Sarcodictyon catenata (Forb.). 



On stones and dead sheUs off the south- 



