FROM THE ORWELL AND STOUR.
195
An item of special interest was the finding of large numbers
of the beautiful Purple-tipped Urchin (Echinus miliaris) just off
Harwich.
A full list of species is given below. Those marked * are
apparently new records to the county ; but as the lists of Essex
Marine Invertebrates are very scattered and imperfect, it is not
well to be too definite upon the point :—
TUNICATA.
Ascidiella virginea, O. F. M. Several.
Styelopsis (Cynthia) grossularia, Van Ben. On stones
and Laminaria fronds.
Botryllus schlosseri, Pall. Chiefly on colonies of
Alcyonidium gelatinosum.
MOLLUSCA.
Gibbula (=Trochus) cinerarius, L. A few, living.
G., sp ?
Purpura lapillus, L. A few, dead.
Buccinum undatum, L. A few, living.
Nassa reticulata, L. Empty shells.
Ostrea edulis, L.
Chlamys (=Pecten) varius, L. Empty shells.
Mytilus edulis, L. Living, abundant.
Nucula nitida, G. B. Sby. Shells only.
Cardium edule, L. do.
C. exiguum, Mont. do.
Tapes pullastra, Mont. Three empty shells.
Spisula (=Mactra) solida, L. A few empty shells.
Scrobicularia plana, Da C. (=piperita, Gm.) One valve.
Mya truncata, L. A few empty shells.
Barnea (Pholas) candida, do.
PYCNOGONIDA.
*Phoxichilidium femoratum (Rathke).
*Ammothea echinata (Hodge). Abundant.
Nymphon rubrum, Hodge.
CRUSTACEA.
BRACHYURA.
Carcinus maenas, Penn. Shore Crab. Abundant.
Hyas araneus (L.). Spider Crab.
Eupagurus bernhardus (L.). Hermit Crab. A few.