218 



W. C. ALLEE. 



List 3. Showing Animals Commonly Found in the Exposed 

 Rock Association. 



Animals starred mav be taken above low tide mark. 



PORIFERA 



Cliona celata{?) 

 Grantia ciliata 

 Leucosolena botryoides 

 Microcione prolifera* 



C03LENTERATA 



Astrangia dance 

 Clava leptostyla 

 Hydractinia echinata* 

 Metridium dianthus 

 Sargartia leucolena 

 " lucice* 

 " modesta 

 Sertularia pumila 



Platyhelminthes 



Stylochus ellipticus 



Echinoderma 



Arbacia punctulata 

 Aster ias forbesi* 



Annelida 



Harmothoe imbricata* 

 Hydroides hexagonus* 

 Leprcea rubra 

 Lepidonotus squamatus* 

 Nicolea simplex 

 Polycirrus eximeus 

 Spirorbis spirorbis* 

 Sabellaria vulgaris* 



Bryozoa 



Alcyonidium sp. 

 Bugula turrita* 

 Crista eburnea* 

 Flustrella hispida 

 Lepralia pertusa 

 Membranipora pilosa* 

 Sckizoporella unicornis* 



Crustacea 



Amphithoe 



Balanus balanoides* 

 Balanus eburneus 

 Cancer irroratus* 

 Idothea metallica 

 Idothea baltica* 

 Pagurus longicarpus* 

 Panopeus sayi* 

 Sphceroma quadridentatum* 

 (Under rocks) 

 Mollusc a 



Chcetopleura apiculata 

 Anomia ephippium* 



aculeata 

 Modiolus modiolus* 

 Mytilus edulis* 

 Acmea testudinalis 

 Bittium alternatum 

 Cerithiopsis emersonii 

 Columbella avara 



lunata* 

 Coryphella gymnota 

 Crepidula fornicata 



convexa 



plana* 



Eupleura caudata 



Lacuna vincta* 

 Littorina litorea* 



palliata 



rudis* 

 Purpura lapillus* 

 Odostomia sp. 

 Urosalpinx cinereus* 



Chordata 



Amarcecium constellatum* 

 Botryllus schlosseri* 

 Didemnum lutarium 

 Molgula manhattensis 

 Perophora viridis 

 Styela partita 



