220 
AR4CHNIDA. 
Acarides. 
Acarellus pulicis and A. mmcce^ spp. nn., Britain : J. G. Tatem, M. Micr. J, 
viii. (1872) p. 263 et seq,, pi. xl. pt. 
IXODIDES. 
Adenoplouraf g. n., A. Macalistor, Q. J. Micr. Sci. (ii. s.) xii. (no. 47), 
pp. 287, 288, pi. xiv. figs. 6-8 ; A. compressa, sp. n.. West Africa, found on 
skin of Manis multiscutata^ id. ibid. 
Ixodes dugesi. For an account of swarms on sheep, lambs, pheasants, 
ferrets, and dogs, in the neighbourhood of Canterbury, of. P. Maidst. Soc., 
Q. J. Micr. Sci. 1. c. pp. 310 & 317 ; and for some valuable microscopic obser- 
vations on the same species by Dr. Kersey, ibid. pp. 318 &, 319. 
Eschatocephalus frnuenfeldiy Rosenmiillershohle, near Muggendorf, E. 
seidlitzi, in caves at Almas, French Jura, spp. nn. : L. Koch, Abh. Ges. 
Niirnb. vi. pp. 150-51, pi. ii. fig. 29. 
Hydrachnides. 
H. A. Nicholson, in his “Contribution to a Fauna Canadensis,” being 
an account of the animals dredged in Lake Ontario in 1872, records a “fine 
species of Limnochares ” as extremely abundant in shallow water and ponds j 
and a species of Ilgdrachna abundant in Toronto Bay in from 1 to 2 fathoms. 
Gamasides. 
Professor Leidy, in P. Ac. Philad., Jan. 1872, pis. 9 & 10. figs. 1-3, com- 
municates a letter from Dr. C. G. Turnbull “ on a mite in the ear of the ox.” 
Subsequently named, 1. c. p. 138, Gamasus auris, sp. n. 
Sarcoptes anachantes. G. Roster, Bull. Ent. Ital. iv. pp. 169-174, pi. 3, 
describes the external anatomy and various stages of a species doubtfully so 
referred, under the trivial name “ Acaro delT Allodola.” 
