On Mysis relicta, Lovén, tn Ireland. 391 
3°84 millim. Halteres are not present, and the wings do not 
contain the pockets to receive the hooked ends. Antenne 
apparently of nine joints, all bearing hairs ; the last ending in 
three capitate hairs. Legs long and hairy. Claw large. 
The two pairs of digitules hair-like, with buttoned ends ; not 
much longer than claw. 
Hab. Campinas, State of S. Paulo, on an unidentified 
forest tree. ‘he female scales are found on the twigs and 
branches, and the male scales on the upperside of the leaves. 
The insects and leaves become covered with a black fungus. 
A species of Camponotus also accompanies this insect. 
Campinas, State of S. Paulo, Brazil, 
July 22, 1901. 
XLIX.—Mysis relicta, Lovén, in Ireland. 
By Wm. F. pe Vismes Kang, M.A. 
Bibliography. 
1856. Thompson’s ‘ Natural History of Ireland,’ vol. iv. p. 174. 
1861. Mysis relicta, Lovén, Cifversigt af K. Vetensk, Akad. Forhandl. 
. 285. 
1867. Mysis oculata, var. relicta, G. O. Sars, Histoire Naturelle des 
Crustacés d’Haux douces de Norvége, i. p. 14, pls. 1-111. 
1868. Mysis relicta, Kessler, Materialia ad cognosc. lacus Onege, p. 78, 
pl. i. 
1870. Mysis relicta, Jarzyusky, Preemissus Cat. Crust. Decapod. inv. 
in Mari Albo, &c. p. 317. 
1870. Mysis diluvianus, Stimpson, Trans. Wiscons. Acad. of Science, 
1870-72. 
1871. Mysis relicta, S. I. Smith, American Journal of Science & Art, 
vol. ii. p. 5. 
1873. Moots relicta, Hoy, “ Deep-water Fauna of Lake Michigan,” 
Ann. & Mag. Nat. Hist. ser. 4, vol. xi. 
1874. Mysis relicta, 8. I. Smith, “ Crust. of the Freshwaters of U.S.,” 
Fisheries Report of Prof. Baird. 
1879. Mysis relicta, G. O. Sars, Carcinologiske Bidrag til Norges 
Fauna, 3rd pt. p. 73, pl. xxii. 
1882. Mysis relicta, Czerniavski, Monographia Mysidarum, fase. ii. 
p- 8. 
1892. Mysis relicta, A. M. Norman, British Myside, p. 260, 
1900. Mysis relicta, Drs. Samter & Weltner, Zool. Anz. Bd. xxiii. 
no. 631. 
Mysis relicta, Lovén, which inhabits fresh water, differs but 
slightly from MM. oculata, Fabr., an arctic marine species, 
except in its smaller size. According to Drs. Samter and 
Weltner, the latter has been taken in the sea off Grinnel-land, 
Greenland, Sabine Island, Iceland, Jan Meyen, Spitzbergen, 
