101 
case of the two anterior pairs, are used for clasping the male), 
and smooth, non-tuberculate surfaces: a single pair of elongate, 
triangular uropods, with sharp apices. 
The male measures 2-1 mm. in length, and corresponds closely 
with Bonnier’s description. Head rounded ; eyes distinct: the 
seven thoracic segments all approximately of same size: pleon 
unsegmented, terminating in a roundish apex. Antennules and 
antennae three-jointed, terminating in a bunch of short, stiff 
hairs; pereiopods normal, the terminal claw (dactylopodite) 
most highly developed on the most anterior appendages and 
gradually decreasing in importance. Pleon without appendages. 
BIBLIOGRAPHY. 
Bate, C. S., and Westwood, J. O. British Sessile-eyed Crustaceans, vol. IT., 
London, 1868. 
Bonnier, J. Contrib. a l'étude des Epicarides des Bopyridae. Tray. de 
la Stat. Zool. de Wimereux. T. VIII., Paris, 1900. 
Norman, Rey. A.H. Museum Normanianum. 
Norman, A. M., and Brady, G. S. The Crustacea of Northumberland and 
Durham. Trans. Nat. Hist. Soe., Northumberland, Durham and 
_ Newcastle-upon-Tyne, N.S., vol. TH., Part 2. 
Norman, A. M. Notes on the Crustacea of the Channel Islands. Ann. and 
Mag. Nat. Hist., Ser. 7, vol. XX., Oct., 1907. 
Sars, G.O. The Crustacea of N orway, vol. IT., Isopoda, Bergen, 1899. 
Tattersall, W. M. Fisheries, Ireland, Sci. Invest., 1904, IT. (1905). 

