﻿Study of the Animal Ecology of the Shore. 245 



Sertularia pumila, L. 

 Actinia equina, L. Young. 

 Leptoplana tremellaris, O.F.M. 

 Rhabdoccel. 

 Nereis pelagica, L. 

 Harmothoe i7nhricatay L. 

 Phyllodocid. 

 Lagisca floccosa, Sav. 

 Spirorhis horealis, Daudin. 

 Pomatoceros triqueter, Morch. 

 Amphicora fahricii (Miill.). 

 Acmcea virginea (Miill). 

 Calliostoma zizyphinus (L.). 3 mm. 



Phasianella pulla (L.). Young ; 1 to 2 mm. ; fairly abundant 



in washings. 

 Egg Capsules of Purpura lapillus (L.). 

 Bissoa striata (J. Ad.). 

 Various Ostracods. 

 Balanus crenatus^ Brug. 

 Verruca stromia (0. F. M.). 

 Amphithoe ruhricata (Mont.). 

 Phoxichilidium femoratum, Rathke. 

 Botrylloides violaceus, M. Edw. 



ii. On Laminae of Laminaria Digitata. 



Memhranipora memhranacea (L.). Also found on the stalks of 



Lam. dig. 

 Spirorhis horealis, Daudin. 

 Helcion pellucidum (L.). 

 Gihhula cineraria (L.). Abundant. 



„ umhilicata (Mont.). Less abundant. 

 Littorina ohtusata (L.). Yellow, brown, and striped ; abundant. 



iii. On Base of Laminaria Digitata. 



Leucosolenia hotryoides (Ell. and Sol.). 

 Halichondria panicea (Pall.). 

 Dysidea fragilis, Johnst. 

 Ealisarca dujardini, Johnst. 

 Clytia johnstoni (Alder). 

 Sertularia pumila, L. 

 Actinia equina, L. 



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