22 Arachn. 
AFACHNIDA. 
Ixodes hrevijyes, Ceylon, and distijpes, Tunis [names only], spp. nn., id. 
L c, p. 194. 
Amhlyomma imcificim^ sp. n., id. 1. c, p. 203, Sandwich Isles. 
sp. n., O. F. George, J. Quek. Club, No. 33, 1’eb. 1877, 
and Sci. Gos. 1877, p. 104, figs. 85-87, Lincolnshire; A . inpistrelUe^ 
Aud., teste J. 0. Westwood, P. E. Soc. 1877, p. Ixii. 
Halacarid^e. 
This new family suggested for the marine mites, and, though placed 
between the Ixodidce and Orihatidce, considered rather as a link between 
the Bdellidce or Trombidiidce and the Orihatidce. A. Murray, 1. c. 
p. 205. 
Trombidiidau. 
A. L. Donnadieu’s “Recherches pour servir a I’histoire des Tetra- 
nyques,” referred to in Zool. Rec. xii. p. 260, is also published in Ann* 
Soc. Linn. Lyon (n.s.) xxii. [for 1875, published in 1876], pp. 29-180, 
pis. i.-xii. After a general, historical, and anatomical treatment of his 
subject, the author divides his family “ Tdtranycidds ” into four tribes : 
1, “ T(5tranyques erratils,” for Tenuij)alpu3, g. n., p. 139, comprising 2\ 
palmatus (? Tromhidium caudatum^ Serv., ? Tetr. caudatus, Dug.), 2\ 
s^inosus and glaher (Tromh. glahriim, Dug.), and Bi'evipal^us^ g. n,, p. 143, 
comprising B. ohovatus {Tromh. lapidum^ Herm.), and B. jgereger. 2, 
“ Tetranyques tisserands,” for Distigmatiis, g. n., p. 146, founded on D. 
pilosus {Tetranychus lintearius, Duf.), and Tetranychus, Duf., comprising 
T. majoi\ Dug., pigcr {urticce and idmi^ Koch), minor {Tromh. sociam^ 
Herm., pt.), longitarsis {Tr. socium, pt., and tenuipes, Herm.), jAumisioma 
{Tr. socium, Herm,, pt.), telarius, L., and ruhescens {Tetr. cristatus, Dug., 
2V. lapidunij Herm.). 3, “ Tetranyques gallacares,” for Phytocoptes 
(Thomas, as larva), comprising P. epidermi {Typhlodromus pyri, BodiQn- 
ten), gallarum {Flexipalpus tilice^ Sch.), and nervorum. All these are 
figured, with details. 
Megnin, P. Memoire sur les Metamorphoses des Acariens en general, 
et en particulier sur celles des Trombidions. Ann. Sci. Nat. (6) iii. 
Art. No. 5 [1876], pp. 1-20, pis. xi, & xii. [cf. Zool. Rec. xiii. 
Arachn. p. 19]. 
Tromhidium phalangii, Duges, is a “nymph” of T.fuliginosum, Herm.j 
Leptus autumnalis is the larva of T. holosericeum ; their transformations 
and anatomy described and figured. 
Petrohia^ g. n., A. Murray, Econ. Ent. Apt. p. 118. Differs from 
Bryohia in having three eyes in the posterior angles of cephalothorax, and 
the abdomen without triangular marginal papillm. Type, Tromhidium 
lapidum^ Herm. 
lihaphignathus spinifrons^ p. 25, pi. iii. figs. 2-5, Northumberland, and 
U. hispidiis, p. 25, figs. 1-3, Durham, spp. nn., G. S. Brady, P. Z. S. 1877. 
Tromhidium causing pruritus in the human subject ; T. Fox (“Medical 
Examiner,” Dec. 21, 1876), P. E. Soc. 1877, p. ii. 
