rHALANGIDEA, ACARIDEA. 
235 
tarsi 5-jointed, of 1st pair 1-jointed, and of 3rd pair 4-jointed, all the 
tarsi terminate with 2 claws ; the basal joints of the legs coalesce and 
forma sternum. C. fcedus, sp. n., pi. xxxvii. fig. 5, Amazons, J. O. West- 
wood, 1. c. p. 201. 
J'rogulus cambridgii^ sp. n., id. 1. c. pi. xxxviii. figi 6, Dorsetshire. 
ACARIDEA. 
Eiir.Eiis, E. Dio Kratzmilbon dcr Vogel. Ein Bcitrag zur Kenntniss 
dor Sarcoptidcn. Z. wiss. Zool. xxiii. [1873] pp. 228-253, pis. xii. 
& xiii. (An English abstract in Ann: N. H. (4) xiii. pp, 74-7G.) 
Reviews the literature on the parasitic mites of birds, witli especial 
reference to structure and development. A new genus and species are 
described, in which the male undergoes no great changes between the 
larval and adult states, but the female passes through some remarkable 
transform ations. 
Bdella arctica, Thor., from Nova Zembla, T. von Heuglin, Reisen 
nach dem Nordpolarmeer, iii. p. 23G. 
Sarcoptes scahiei. History and figure; Nat. Canad. ii. pp. 129-130, 
fig. 19. 
Tetranychus lintearius, Duf. A note ; H. Lucas, Ann. Soc. Ent. Fr. 
(5) iii. p. 352. 
Ilydrachnides occurring in Lake Leman discussed ; H. Lebert, Bull. Soc. 
Yaud. (2) xiii. pp. G1-G8. 
Dermatoryrtes, g. n., Ehlers, 1. c. p. 251. Nearest io D ermatophagus imd 
Dermatocoptes, Fiirstb. ; front legs with a small claw near the stalked 
prehensile disc. Sarcoptes mutans, Robin, and D.fossor, sp. n., Ehlers, 
1. c., in the beak of Munia maia, pis. xii. ^ xiii. 
Campognatha, g. n., Lebert, Z, c. p. 93. Allied to Attax, but almost 
spherical ; dorsal stigmata G, distant, ventral closely approximated, palpi 
G-jointed, 3rd joint with one tooth, &c. 0. foreli^ sp. n., id. 1. c. pp. 68-94, 
pis. i. & ii. 
Tyroglyphus phylloxerce^ sp. n., Riley & Planchon, Rep. Ins. Mo. vi. 
pp. 52 & 81, fig. 16, parasitic on Phylloxera [in anticipation of descrip- 
tion of Tr. Ac St. Louis, iii. 1875, p. 215]. 
Hoplophora arctata, sp. n., C. V. Riley, tom. cit. pp. 53 & 81, fig. 17, 
parasitic on Phylloxera in America [also in anticipation, ut supra, p. 216]. 
