ACARIDEA. 
261 
Gamasus marinuSy sp. n., G. S. Brady, 1. c. p. 307, pi. xli. figs. 6-7, 
North Britain. 
Cheyletus robertsoni, sp. n., id. 1. c. p. 308, pi. xli. fig. 4, North Britain. 
TyroglypJius farincey Deg. Observations on the supposed connection 
of this -4 carws with itch in the human subject by Maestri, quoted by 
Santo Garovaglio, and reference made to a memoir on the subject in 
the “ Bulletino dell’ Agricoltura,” Rend. 1st. Lomb. (2) viii. pp. 663 & 
664. The suggestion opposed by Cornalia; 1. c. p. 565. 
Tyroglyphus phylloxeray Riley [Zool. Rec. xi. p. 235], fully described, 
Tr. Ac. St. Louis, iii. p. 215, fig. 8. 
Iloplophora arctata, Riley \l. c.] fully described ; 1. c. p. 216, fig. 9. . 
Oribatides. 
Halacarus rhodostigTna^ Gosse, = H. granulatus and oculatus, Hodge ; 
G. S. Brady, 1. c. p. 309. 
Acarides. 
Sarcdptes scabiei. Anatomical details of this species and its numerous 
varieties. M^gnin, 0. R. Ixxxi. p. 1058. 
Trichadenus sericaricBy g. & sp. nn., C. Rondani, Bull. Ent. Ital. ii. 
[1870] p. 168, pi. i. figs. 14-17, Italy. 
Acarua moriy sp. n., id. ibid. fig. 18, Parma. 
Hydrachnides. 
Bradybates, g. n., C. F. Neuman, CEfv. Ak. Forh. 1875, No. 2, p. 104. 
HydracJinoidoiy between Hydrodomay Koch, and LimnochareSy Latr., the 
type of the LimnocharoidcHy differing from the former in the entire want 
of natatorial setae (so that the animal creeps, dragging the 4th pair of 
legs), and from the latter in the structure of its rostrum and palpi, 
which closely resemble those of Hydrodoma. For B. truncatuSy sp. n., 
id. ibid.y Kinner, Gothland. 
Nescea pusillay p. 100, punctatay p. 101, id. 1. c., Gothland, spp. nn. 
Fiona (recharacterized) fuscay p. lQ\y flavescenSy p. 102, id. 1. c., Goth- 
land, spp. nn. 
. Acercus gothlandicuSy sp. n., id. 1. c. p. 102, Gothland. 
CampognatJiay g. n., H. Lebert, SB. Ak. Wien, Ixix. [1874] pt. 1, p. 
645. Type, C. foreliy sp. n., id. 1. c. p. 647, pi. iii. figs. 25-33, Lake of 
Geneva and Breslau. 
P. Kramer, Arch. f. Nat. xli. i. \^suprd, p. 240], describes the following 
new genera and species, all from the neighbourhood of Schleusingen, 
Thuringia: — . 
A turuSy p. 309, allied to Nesceay integument on the back and abdomen 
hardened into one plate ; for A. scabevy ibid. pi. viii. fig. 3. 
Axonay p. 310, connects Neacea with Arrenurus ; the cox89 of each side 
having their outer lateral margins in a straight line with each other. 
For A. viridis, p; 311, pi. ix. fig. 19. 
