ON SOUTH-EUROPEAN MARINE INVERTEBRATA. 267 
Fre- 
quency. 
———— | | ————————————— | 
Depth. |Ground.| Living at 
Pleurotoma purpureum ... 
—— septangulare .........| 00... sand | 8 fath. ... {two, fine and large. 
— coarctatumorSmithii} ..,... sand | 8 fath. | rare 
Fusus contrarius ...,.....+«+ 8 fath. | sand | shore ... jobtained seven living specimens 
on shore near the town, five 
—— muricatus ......660-6) eee sand | 8fath. | v.r. | deadin 8fath.near the mouth 
corallinus .........06:]  .....- sand | 8 fath. | freq. | of the bay. 
15 fath.| sand | ...... rare |carinated ; some resemblance to 
Murex erinaceus .,,.00..-++-|  seeess tes shore | freq. P. lapillus. 
— Edwardsii ...........-) ...... εἶν shore | freq. 
— cristatus? var.? ...|  ...10 sand | 8 fath. ... |three specimens together. 
Triton variegatum ........-)  ...... sand | 8 fath. ... Jone, living. 
—— COTrUgAatUM ....... 66} ννννον sand | 8 fath. ... 1016, living. 
Chenopus pes-pelecani ...| ...... sand | 8 fath. | local. 
Purpura lapillus ....... ΒΜ ΛῊΕΕ.Σ ... | littoral | freq. |near the town and low down 
; the baysmalland dark colour, 
Nassa macula ......+++..5-5. 4to 8f.| freq. | at head of the bay large and 
——— VATICOSA .....-seseee eee 4 fath. | rare. white. 
— reticulata .......,.065 : hat RR freq. jordinary form, in sand, dark co- 
loured undulated var. in mud. 
20 to 25f.| ν. ἃ. |large, never striated. 
Ringuicula auriculata 
Buceinum, new Sp. .....62-} ees. mud |6 to 25f.| ν. ἃ. |smooth, purple, obscurely 
Nesea minima ....+...... 8 fath. | sand | ...... local. | banded ; animal very active. 
Erato levis ...-.c.cessseeees] eevee sand | 8 fath. .-. {two specimens living. 
Cypreea Europea .......55 6 so. sand | 8 fath. 
Dentalium dentalis ΟΥ̓ 
quadrangulare ............|  ...e6 mud {5 to 20 ἢ.) abun. 
—— tarentinum,......e0...}  sseeee mud |5 to 20 f.| rare. 
Czecum trachea ............ 8 fath. | sand | ...... rare. 
---- ——— MEW? naeerecereee| concen mud | 20 fath. | local |pellucid, very narrow in propor- 
tion to length, 3in.: greenish 
colour when living. 
sevens oe γι ... |gathered from rocks at entrance 
of the bay, sold abundantly 
for food, and much esteemed. 
Spirorbis. 
Pollicipes cornucopia ...... 
Balani. 
Clitia verruca. 
Acasta Montagui. 
Anatifa vulgaris. 
—— striata. 
4 species of Echinus. 
4 species of Star-fishes. 
4 species of Comatula. 
Holothuriz. 
Cucumariz. 
Aleyonium digitatum. 
—?—. 
Pennatula (Med. species). 
Actinie &c. Zoanthus 
Couchii. 
dwardsia. 
eritillun. 
_ Vigo Bay extends 16 or 18 miles inland; in mid-channel the bottom is 
muddy, 25 fathoms, near the entrance, gradually shoaling as you proceed 
upwards ; the littoral fauna, which is of a British or Celtic character, better 
developed towards the head of the bay, being more abundant, and the indi- 
viduals attaining larger size. , 
Of the preceding list of 200 species of Mollusca (omitting Balani and Le- 
pades), twenty-six are not inhabitants of the seas of the British Islands, 
viz. — 
