THE MARINE FAUNA OF THE HUMBER DISTRICT. 39 



*M. monostachys, var. /ossaria, Hincks. Brackish drain, Cherry Cob 



Sands. 

 *M. pilosa (Linn.). On Funis and Vesicularia, the Den ; on Gibbula, 

 Spurn and Kilnsea ; on whelk shells, Kilnsea and Hornsea. 



M. membra nacca (Linn.). On La miliaria , Hornsea. 



M. li nea fa (Linn.). On whelk shells, crab pots, Hornsea. 



M. dumerilii (Aud.). On whelk shells, Hornsea crab pots. 

 * M. aurita, Hincks. On chalk, Well Creek, Stone Creek. 



Cribrilina annulata (Fabr.). On whelk shells, Hornsea crab pots. 



MicroporeUa malusii (Aud.). On whelk shells, Hornsea crab pots. 



M. impressa (Aud.). On red alga, Hornsea crab pots. 



M. cilia fa (Pall.). On red alga, Hornsea crab pots. 



Mucronella peach ii (Johnst.). On whelk shells, Hornsea crab pots 

 Kilnsea Skerries. 



Schizoporella spinifera (Johnst.). On red alga, Hornsea crab pots. 



Cellepora pumicosa (Linn.). Hornsea; Kilnsea Skerries. 



C'risea eburnea, Linn. Hornsea crab pots. 



C. denticulata (Lam.). Hornsea crab pots. 



Diastopora patina (Lam.). On whelk, Kilnsea Skerries. 

 * Alcyonidium mytili, Dalyell. Well Creek, Stone Creek, &c. abun- 

 dant on stones. On Gibbula, Spurn. 

 * Vesicularia spinosa (Linn.). In tufts on Fucus, the Den. 

 * Amatliia lendigera (Linn.). The Den. 

 '" Farella repens (Farre). On Tubu/aria, Well Creek. 

 * Pedicellina cern.ua (Pall.). On Tubu/aria, Well Creek. 



d,,,. ,„.,„. CRUSTACEA. 



Brachyi ra. 



Stenorynchus phalangium (Perm.). Crab pots, Hornsea. 

 Hyas coarctatus, Leach. Crab pots, Hornsea. 



Cancer pagurus, Linn. Outer coast. In holes in the clay, Kilnsea 

 Skerries, Aug". 6, 190.2. 

 "Carcinns mamas (Penn.). The Humber; Hornsea, Aldborough, &<:• 



In all the agricultural drains near the outfall. 

 "Portunus depurator (Linn.). The Humber; not common. 

 P. arcuatus, Leach. Crab pots, Hornsea. 

 Porcellaua longiaini is (Penn.). Crab pots, Hornsea. 



Macrlra. 



Galathea squamifera, Leach. Crab pots, Hornsea. 

 * Eupagurus bernhardus (Linn.). Dredged off Trinity Sand. Crab 



pots, Hornsea. 

 *Crangon vulgaris (Linn.). Abundant. Hedon drain, half a mile from 

 the outfall, July, 1902. 

 Hippolyte cranchii. Leach. Hornsea crab pots. 

 H. vatians, Leach. Hornsea crab pots. 

 * Pandalus annulicoriiis. Leach. Dredged off Trinity Sand. 

 * Paltemonetes varians (Leach). Pools, Saltend, Easington ; brackish 

 ditches, Easington, Cherry Cob Sands ; fresh water ditch, Sunk 

 Island. 

 Lcander scrratus (Penn.). Hornsea crab pots. 



Macromysis flexuosus (Mull,). Pool on the sea shore above the level 

 of ordinary tides, Easington, August, 1900. 

 * Xeomysis vulgaris (Thompson). Hedon drain ; Cherry Cob Sands 

 drain. Pools, Saltend, &c. Zostera pools, Skeffling to Spurn. 

 Pond inside the bank, Easington. 



