OPILIONIDES. 
22a 
Tarsal portion of palpi with terminal claw. 
Terminal claw toothed. 
Ilody without spines Leiohunum^ id. 
Body with spines. 
Body flat, first joint of falces concealed. . Ilomalenotus, id. 
Body arched, first joint of falces free . . lloplites^ g. n. 
Terminal claw untoothed. 
Femur, patella, tibia and metatarsus of fourth pair of legs longer than 
corresponding joints of the rest C. Koch, 
Femur, patella, tibia, and metatarsus of second pair of legs longer than 
those of the other legs. 
Body with spines Acantholophus, 0. Koch. 
Body without spines. 
Eye-eminence very large, broader than long. 
PlatylophuSf 0. Koch. 
Eye-eminence of ordinary size. 
Palpi of S slender, long ; falces elongated above in form of 
a horn Cerastoma, 0. Koch. 
Palpi of (S not strikingly long. No hornlike prominence on 
iipporside of falces Ojnlio, Ilerbst. 
Lcinhnnum hihrachiatuin^ L. humile^ L. glahruniy spp. nn., Tyrol : L. Koch, 
I. c. pp. 151-164. 
Hoplites, g. n. Abdomen arched and armed with a longitudinal row of 
spines ; two projecting plates above the falces 5 eye-eminence armed with 
long spines ; falces projecting freely beneath fore edge of cephalothorax ; 
palpal claw distinctly dentate . — Hoplites {Acantholophus') helleri, Ausserer • 
II. arf/entatus, sp. n., Meran, Tyrol : L. Koch, 1. c. p. 155. 
Cerastoma tirolcnse, C. copricorne, Tyrol ; Opilio rhododendri, Bavarian 
Alps ; Isehnjopsalis mnnicata and Nonnstomn daciscum, Siobenbiirgen ; N, 
superhmn, Naxos ; N. spinulosum, Greece ; N. aurosum, ih . : spp. nn., L. 
Koch, 1. c. pp. 163-106. — N. kochuj sp. n., M. Nowicki, JB. Gesellsch. 
Krakau, 1870, p. 
Ilomalenotiis romanus, PomQ) Il.hispanus^ Spain; Platylophus montamis^ 
Erzgebirge; Acantholophus ohtusedentatus^ Modena, Andalusia: spp. nn., L. 
Koch, L c. pp. 165-167. 
ACARIDEA. 
Acarides. 
Tyroglyphus feeidee, found on potatoes, noted by M. Guerin-M^neville 
in letter to French Academy. 
Sarcoptes ? An Acarus, in some respects agreeing with Sareoptes, found 
in considerable numbers inside Pigeons by Mr. Charles Robertson of Oxford. 
Similar Acari were also found by Col. Montagu in the Gannet, and since by 
Mr. Robertson in the Pelican. Am. Nat. iii. 1860, p. 380. 
Dermaleichiis rostratus, P>. landoisii, D. stylifer, D. ampelides, P. eulabis, 
D. Ihnosce, D. gallinulcs, D. elongatus, D. lialiaeti, I), attejiuatus, D. glandarii^ 
D. columhm^ D. piiffini^ P. alucoiiis, P. ahhreviatus, P. piei-majoris, P. strigis- 
