MARINE BIOLOGICAL STATION AT PORT ERIN. 13 



Epimeria cornigera, Febr. — Galley Head. 



Syrrlwe fimbria ta, Stebbing and Robertson. — Off Port 

 April 25th, 1895, station 1. 



Leptocheirus hirsutimanus (Bate) = L. pilosus, Sars, not 

 Zaddacli. — Two miles south-east of Kitterland, 17 fathoms, 

 May 27th, 1894. 



Pliotis longicaudatus, Bate. — Off Port Erin, April 25th, 

 1895, stations 2 and 3. 



* Pliotis pollex, n.sp. — Colwyn Bay, shore ; Little Orme; 

 Menai Straits, 5 to 10 fathoms. This species is inter- 

 mediate between Pliotis reinliardi (Kroyer) and P. 

 tenuicornis (Sars). The hind margin of the propodos of 

 the second gnathopod in the male is distally produced 

 into a thumb-like process which has its origin much 

 nearer the carpus than in P. reinliardi. 



Podocerus ocius, Bate. — Sponge debris, Port Erin, 1894. 



Pycnogonida. 



The following rare species found during the year at 

 Port Erin have been named by Mr. G. H. Carpenter, of 

 Dublin : — Anoplodactylus petiolatus , Kr., Ammothea echin- 

 ata, Hodge, Nymplwn gracile, Leach, N. gallicum, Hoek, 

 Chcetonym/pkon liirtum, Kr., and Pallene producta, Sars, 

 the last apparently new to Britain. 



Some Statistics of Dredging Results. 

 During this year's work we have been pa}ang some 

 attention to the actual numbers of individuals, species, 

 and genera brought up in particular hauls of the dredge 

 or trawl. Our attention has recently been directed to the 

 matter by some statements in Dr. Murray's summary 

 volumes of the " Challenger ' Expedition Report which 

 seemed not to be quite in accord with our own experience. 

 Dr. Murray quotes the statistics of the Scottish Sea- 



