ACARIDEA. 
Arachn. 27 
IxODID^. 
Ixodes dlgeriensis, sp. n., P. M^gnin, 1. c. p. 124, found on oxen intro- 
duced into France from Africa. I. marginatus and I. erinaceus, found 
abundantly upon sheep afflicted with the “ louping-ill sickness,” and sup- 
posed to be in some way connected with it ; Report of the Louping-ill 
Committee, pp. 1-11, Teviotdale Farmers’ Club (‘‘Hawick Express” 
Office : Nov. 4, 1880). [These Acarids appear to be merely consequent 
upon the disease, not a cause of it.] 
Amhlyomma adspersum,, C. L. Koch, Barbaceua, on a boa constrictor ; 
A. ohlongo-guttatum, Koch, Chapeo d’Uvas, on Coryphodon\ and A. infu- 
matunij Koch, hab. cit., on Hydrochcerus capyhara ; P. Bertkau, 1. c. 
p. 109. 
Hcemalastor crassitarsus, p. 141, Caracas, and JI. acutitarsus, p. 142, 
Japan, spp. nn., F. Karsch, MT. Miinch. ent. Ver. 1880. 
Ornithodorus rudis, New Granada, and 0. iniliaris, Bengal, spp. nn., id. 
1. c. p. 141. 
ORIBATIDiE. 
G. Haller, in “ Miscellanea Acarinologica — Oribatidce,’’ treats (1) bn 
the arrangements for the production of the egg, (2) on the larvee. MT. 
Bchw. ent. Ges. v. pp. 502- 508. 
A. D. Michael & C. F. George, in “A Further Contribution to the 
Knowledge of British Orihatidce,'^ treat: (1) on the life-histories of 
the OribatidcB ; (2) on different modes of carrying the cast dorso-abdo- 
minal skins; (3) on the aquatic or amphibious species; (4) on new 
species, with summary. Some curious facts are detailed respecting the 
transformations of various species from the larval to the uymphaT and 
perfect states. J. R. Micr. Soc. iii. pp. 32-43, pis. iii. & iv. 
The same authors, in continuation of the above, describe and record 
various species, some of which are figured and several are new ; 1. c. 
pp. 177-201, pis. V. & vi. 
Oribata sphagni, p. 179, fig. 6, nymph fig. 7, and 0. quadricornuta, p. 181, 
fig. 1, nymph fig. 2, spp. nn., iid. 1. c. pi. iv., England. 
Liosoma |1 palinicincta[-turn], sp. n., iid. 1. c. p. 184, pi. iii. fig. 4, larva 
and nymph figs. 1, 2, & 3, England. 
Tegeocranus velatus, sp. n., iid. 1. c. p. 190, pi. vi. fig. 9, England. 
SARCOPTIDiE. 
Canestrini, G. Intorno ad alcuni Acari parassiti. Atti Soc. Pad. vi. 
pp. 32-42, pis. i.-iv. 
Gives an analysis (pp. 33 & 34) of the genera Freyanay Haller, Ftero- 
licJms, Rob., Proctophyllodes, Rob., Xoloptes and Alloptes, gg. nn., p. 34, 
Dimorphus, Hall., Analges, Nitsch. The first three of these have no sexual 
dimorphism in the development of the feet ; but it is present in the last 
four. Of Frey ana, 1 known species is recorded ; of PterolichuSy 17 ; of 
Proctophyllodes, 7 ; Xoloptes^ 1 ; AllopteSy2 known spp. and 1 sp. n. Di- 
morphus, 5 known species; Analges, 2; MyocopteSy Clap., 1 ; Listrophorus, 
Pag., 1 ; Cheyletus, Latr., 1 ; and Dermalichus ? ^ 1. 
