330 THE FAUNA OF THE EXE ESTUAKY. 



Purpura lapillus (Linnaucs). Very common at Orcombe Eocks ; a 

 few shells and one alive from Polesands. 



BucciNUM UNDATUM, Linnceus. Shells only, Orcombe Rocks and 

 Polesands. One small living one on mussel bank (sta. 14c), and three 

 dredged off the pier (sta. 14a). 



Cypr.ha europ.ea, Montagu. A few alive from Orcombe Ptocks ; 

 shells from Polesands. 



Aplysia punctata, Cuvier. Spawn only of this species was taken in 

 the mosquito net trawl, between Bullhill Bank and Cocklesand. 



Elysia yiridis, Montagu. Three from Bullhill Deep Pit (sta. 9), 

 and one or two from Engineering Company's stage in the dock. 



Doris tuberculata {Cuvier). One specimen is recorded from 

 Bullhill Bank by Mr. Holt, in May, 1897. 



Antiopa cristata, Dellc Chiaje. Several on the walls and piles of 

 the dock, and one from the bottom of the Daion. 



Sepiola atlantica, BOrligny. One taken in shrimp trawl on 

 Shaggles Sand (sta. 5). 



POLYZOA. 

 [Nomenclature : Hincks, British Marine Polyzoa.] 



Sgrupocellaria Scruposa (Linnmus). A few colonies dredged on 

 the sponge ground off the Clock Tower (sta. 14b). 



BuGULA turbinata, Aider. Common in the dock on the piles, old 

 boats, etc., and at Orcombe Rocks. 



Membranipora membranacea (Linnmus). Common on Laminaria 

 at Orcombe Rocks. 



LoxosoMA phascolosomatum, Vogt. Not uncommon on the posterior 

 end of Phascolosoma vidgare, from the north side of the Warren (sta. 12). 



TUNICATA. 



[Nomenclature : Herdman, A Revised Classification of the Tunicata, 

 Jour. Linn. Soc. Zool., xxiii.] 



ASCIDIELLA ASPERSA {0. F. Miiller). Common, growing on piles, 

 boats, etc., in the dock. They seem to grow very rapidly, as specimens 

 au inch long were found on the bottom of the ss. Oithona nine weeks 

 after she had been scraped and painted, and of about the same size on 

 the bottom of the Daivn after two months in Exmouth Dock. 



ClONA INTESTINALIS {Linnccus). This Aseidian was found in great 

 profusion in Exmouth Dock on the piles and wall under the Engineer- 

 ing Company's stage, and also on the wall just inside the dock gates, 

 some of the specimens being eight or nine inches in length. Smaller 

 ones were common on the bottom of l)oats which had been lying in 



