ACARIDEA. 
AracJin. 55 
group, represented by the genus Atax^ and common on Anodonta anatina 
(2 species). 19 species are recorded as inhabiting the lake, of which the 
following are new: — 
Campognatha schnetzleri, p. 18, pi. x. fig. 1 (Reg. prof.) 
IJygrohateB nigro-maculatus^ p. 19 (Faune litt.). 
Limnesia variegata^ p. 21, tricolor, p. 24, tesellata, p. 26, pi. x. fig. 2, 
triangularis^ p. 29, pi. x. fig. 3, cassidiformis, p. 32, pi. x. fig. 4 (F. litt.). 
Ncumannia nigra, p. 34, pi. x. fig. 5, and alha, p. 36 (F. litt.). 
Arrhenurus tuherculatus, p. 37, fig. 6, and biscissus, p. 39, fig. 7, pi. x. 
(F. litt.). 
Nescca magna, p. 41, fig. 8 (F. lit!.), lutescens, p. 42, fig. 9 (Reg. prof.), 
pi. xi. 
Pachygaster tau-insignitus, p. 48, pi. xi. fig. 11 (Reg. prof.). 
Fiona accentuata, p. 50, pi. xi. fig. 12 (F. litt.). 
Brachyopoda paradoxa, p. 51, pi. xi. fig. 13 (Reg. prof.). 
Krendowsky, Arb. naturf. Ges. Charkow, xii. 66 pp. 2 pis., describes 
the economy of the larvae of Hydraclmidm (one sp. n.). 
P. Kramer, Arch. f. Nat. xlv. 1, describes the following new genera and 
species (all of uncertain locality) : — 
Labidostomma, for L. luteum, p. 13, pi. ii. fig. 1. 
Giistavia, for G. sol, p. 16, pi. ii. fig. 2. 
Sperchon squamosus, p. 1, pi. i. fig. 1. 
Oxus oblongus, p. 5, fig. 2. 
Limnesia nigra, p. 9, fig. 3, magna, p. 10, fig. 4. 
Nescea reticulata, p. 11, fig. 8, binotata, p. 11, fig. 5, rotunda, p. 12, fig. 6, 
and pachydermis, p. 12, fig. 7. 
Acarid^. 
G. Canestrini: Nuove Specie di Genere Dermalichus, Atti Soc. Pad. 
V. pp. 1-28 ; and Intorno ad alcuni parasiti, op. cit. vi. pp. 32-42, pis. i.-iv. 
[The Recorder has not seen these papers; the latter includes 
and Alloptes, gg. nn., and one sp. n.] 
Tyroglyphus armatus, p. 115, figs. 27-29, and ovatus, p. 106, figs. 9-12, 
spp. nn., Troupeau, Bull. Soc. Angers, vi. & vii. 
Cheyletus eruditus, id. 1. c. p. 107, fig. 20. 
Glycyphagus cursor, p. 110, figs. 22-26, and G. cursor, var. ?, or sp. n. ?, 
p. 112, fig. 17 ; id. 1. c. 
Torinophora serrata, Oambr. ; L. Koch, Sv. Ak. Handl. xvi. No. 5, 
p. 134, Siberia and Novaya Zemlya. 
Claviceps trimaculatus, p. 134, fig. 8, bimaculatus, p. 135, fig. 9, and 
rugosus, p. 135, fig. 10, spp. nn., id. 1. c. pi. vii., Novaya Zemlya. 
Phytoptid.®. 
Low, Franz. Beitrage zur Kenntniss der Milbengallen (Phytopto- 
cecidien). Verb. z.-b. Wien, xxviii. pp. 127-150, pi. ii. 
Describes, and in some cases figures, Phytoqitus-gaWs found in Lower 
Austria on the following plants (those marked * being new) : Acer cam- 
