39(1 ON THE FAUNA AND ROTTOM-DEPOSITS NEAR THE 30-FM. LINE 



Porcellaiia loii,<,'ieoriiis. 



Stcnorli^'nchus longirostris. Not frequent. 



Inaclms dorsettensis. Not frequent. 



Eurynonie asjicra. One or two in 22 only. 



Corystes ca.ssivclaunus. One female sjieci- 

 nien in 22. 



Ebalia tunicfaeta. Few in 23 only. 



Scalpelluni vulgare. Common at base of 

 hyilroiils. 



Molluscs. Living. 

 Nucula nitiiia. j\Iany specimens Imried 

 in the sand. 



Pecten opercularis. A few adult speci- 

 mens only, but very 

 many small ones at- 

 tached to hydroids. 



Anomia patelliformis. Attached to Pecten. 



Ovula patula. On Alcyonium digitaium. 



Tritonia Hombergii. Small in 23 only. 



Galvina tricolor. In 104. 



Doto coronata. In 104. Spawning on 

 hydroids. 



Hero formosa. In 22. 



Loligo sp. 



Shells. 



Cyprina islandica. Recent shells. 



Cardiiim celiiiiatum. Recent shells nu- 

 merous. Typical of this 

 ground. 



On Sertularia 

 ahietina. 



Nucula nitida. 



Pecten opercularis. Few only. 



Dentalium entalis. 



Aporrhais pes-pclccani. One in 23 only. 



Natica nitida. Inhabited by Anajtagurus 

 laevis. 



Buccinum undatum. Inhabited by Eiqya- 

 giirus Bcrnhardus. 



POLYZOA. 



Cellaria sinuosa. i . i, ,., , 



> A small quantity only. 

 ,, fistulosa. ' 



Cellepora avicularis. 

 , , ranuilosa. 



Idmonea serpens. 

 Membrauipora Flemingii on living Pecten 

 opercularis. 



Tunic ATA. 

 Ascidiella scabra. A few small specimens 



attached to hydroids. 

 Ciona intestinalis. A few only. 

 A compound Ascidian. 



Pisces. 



Trigla pini {Red Gurnard). Few only. 



,, gurnardus (Grey Gurnard). Few 

 only. 



Raia clavata {Thornhach). Two speci- 

 mens in liaul 104. 



Ground III. The Outer East Eddystone Sand. 



The position of this ground will be seen on the charts. 



Hauls. 57 (B.-tr.), 72 (B.-tr.), 91 (O.-tr. and C.-dr.), 49 (O.-tr.), 53 

 (Dr.), and 56 (B.-tr.). 



Bottom-deposit. Fine sand, which is somewhat coarser than that of 

 Ground I., and less muddy than Ground V., the two adjoining fine 

 sand grounds. 



The texture of the sample at haul 91 was : — 



IV. Fine Gravel 

 Coarse Sand 

 Medium Sand ... 

 Fine Sand 

 Silt 



V. 



VI. 



VIL 



VIII. 



0"5 per cent. 

 2-5 ,. 



... 13-2 „ 

 ... 82-7 „ 

 ... 1-1 „ 



[91. Average grade of sample, 6'814 Percentage of carbonate of 

 lime in whole sample, 14*13. Highest percentage occurs in IV,, which 

 contains 6470 per cent., but this forms so small a portion of the whole 

 sample that V. at 28"8 per cent, should be taken. As in 90 this is a 

 fine-textured deposit with low percentage of carbonate of lime. The 

 rock materials are Triassic and Eddystone reef. In 91 VI. Foraminifera 



