I. '21. 29 



Helga. 



R. 1.— 18 III '04.— 5J mis. S.S.E. of Helvick Head, Co. 



Waterford, 27-28 fms., mud and gravel. Trawl. — 



One, 8 mm. 

 S. 224. — 22 VI '04. — Lambay Deep, 44 fms., sand. Trawl. — 



One. 

 S. 261. — 22 II '05. — 5 mis. E. of Lambay, 28 fms., fine sand 



and shells. Trawl. — One, 12-5 mm. 

 R. 10.— 3 V '05.-15 mis. off Mine Head, Co. Waterford, 



41-42 fms., sand. Trawl. — One. 

 R. 21.— 15 VIII '06.— 6i mis. E.S.E. of Mine Head, 29 fms., 



sand. Trawl. Temperature at depth, 10-94°C. — 



One. 

 S . 593. — 6 IX '10. — Dundrum Bay, 10-12 fms., sand, gravel. 



Trawl. — One, 10 mm. 

 S. 594. — 6 IX '10. — Dundrum Bay, 10-12 fms., sand, shells. 



Trawl. — One. 



A great number of the specimens taken by the Helga were 

 imbedded in sponges of the genus Ficulina, which had com- 

 pletely grown over and often completely absorbed the original 

 mollusc shell. The parasitic Cirripede Peltogaster is occa- 

 sionally found on the species. 



Eupagurus pubescens (Kroyer). 



PL II, figs. 4-7. 



Pagurus pubescens, Kroyer, 1838 (a). 



Pagurus pubescens, Kroyer, 1838 (b). 



Pagurus pubescens, Kroyer, 1846. 



Pagurus Thompsoni, Bell, 1853. 



Eupagurus pubescens + E. Krdyeri, Stimpson, 1858. 



Eupagurus pubescens + E. Kroyeri, Smith, 1879. 



Eupagurus pubescens, Henderson, 1886 {b). 



Eupagurus pubescens var. Kroyeri, Henderson, 1888. 



Eupagurus pubescens, Ortmann, 1892. 



Eupagurus pubescens, A. Milne-Edwards and Bouvier, 



1894. 

 Eupagurus pubescens, Ohlin, 1901. 

 Eupagurus pubescens, Lagerberg, 1908. 

 Eupagurus pubescens, Hansen, 1908. 

 Eupagurus pubescens, Stephensen, 1910. 

 Eupagurus pubescens, Stephensen, 1913. 



The rostral projection is distinct and sharply pointed ; the 

 lateral projections on the frontal margin are blunter. That 

 part of the carapace which lies in front of the cervical groove, 

 which is deep and well marked, is strongly calcified ; behind 

 the groove the surface is much softer, and becomes almost 

 membranous on the flanks. The posterior margin is concave 



