186 
ZOOLOGICAL LITERATURE. 
(/. c. pp. 535-538), referring especially to Listrophorus leuckarti 
(pi. 39. figs. 10-12). 
The following species are figured by Claparede in the mature 
state : — Hypopus dujardmii, pi. 35. figs. 1 & 6-8 ; Hoplophora 
contractilis, pi. 36. figs. 15-18; Myobia muscidi (Schr.), pi. 37. 
figs. 1 & 3 ; Hypopus dugcsiiy pi. 37. fig. 6 ; Rhizoylyphus robinij 
pi. 38. figs. 7-9. 
Robin (Comptes Rendus, Ixvi. pp. 776-786) publishes a de- 
tailed account of his observations on the Mites infesting birds, 
and states that in these the males pass through four, and the 
females through five stages, as follows: — 1, the egg; 2, the 
hexapod larva ; 3, the octopod mjmph, without sexual organs ; 
4, sexual males or females without external sexual organs, but 
which copulate; 5, the sexual and fecundated females. The 
author then treats of the habits of the Mites in some detail, and 
states that the ova are developed in the nymph-like females 
before their final moult. In a note (/. c. p. 786) Robin gives a 
list of the species on which his observations were made, most of 
which are new, and will he described in his memoir. They in- 
clude the types of four new genera, namely, Pterolichus, Ptero- 
nyssus (type Dermal, picinus, Koch), Proctophyllodes (type D. 
glandarinus, Koch), and Pterodectes. 
Boisduval (Eutoinologie horticole, pp. 82-96) gives a detailed popular 
account of the principal species of Acarina which are mischievous in gardens, 
with descriptions of one or two which are rather beneficial than injurious. 
The species described are Acarus telarius, figured p. 83, A. cacimieris, A. 
rosarum, A. tiliarum, A. coccineus, A. cmnabarhms, A. hcematodes, A. pyri, 
A. i'lissulus, A, fimyorum, A. ferrugineus, A. tini, A. linteanus, A, vitis, 
Leptus cmtiimnalis, IVomhiiUmn holosericeum, and Orihatu. 
W. J. Hays publislies a short account, with figures, of a species of Tick 
found in abundance on a Moose Deer. Amer. Natural, ii. p. 559, fig. 1, 
showing the adult and young, and the foot and mouth of the latter. 
Tetranychus lintearius. Lucas describes the habits of this species, which 
he observed forming delicate webs upon furze bushes. Ann. Soc. Ent. Fr. 
4® s6r. viii. pp. 741-743. 
Lichtenstein (Bull. Soc. Ent. Fr. 1868, p. Ixxxvi) notices an Acaride 
living upon the larvie of llymenoptera, for which he proposes the name of 
Physogaster larvarum. Its abdomen is vesicular. 
Rhyncholoplms aidipodarum, sp. n., Frauenfeld, Verb, zool.-bot. Ges. in 
Wien, xviii. pp. 889-893, Austria. Parasitic in the hexapod stage upon 
species of (Edipoda. 
Cyclothorax carcinieola, Frauenfeld, Verh. zool.-bot. Ges. in Wien, xviii. 
pp. 893, 894 (ctim Jigg.}, hexapod form on the abdomen of Carcinus tihicen 
(Ilerbst), from the Nicobars. 
Acarus ? malus, sp. n., Shimer, Trans. Amer. Ent. Soc. i. p. 368, note. 
United States, parasitic on the “Apple Barklouse.” 
