14 Arachn. arachnida. 
Hypoctonus , n. g., for Thelyphonus formosus (Butl.), p. 360 ; id. 
Thelyphonus dorice , n. sp., p. 361, Sarawak ; caudatus (Linn.), syn. 
rufipes , proscorpio (0. Koch), p. 370, Java, Batavia ; asperatus, n. sp., 
p. 382, Java ; papuanus , n. sp., p. 385, New Guinea (Ramai) ; linganus 
(C. Koch), p. 390, Sarawak f id. 
Tetrabalius , n. g., for Thelyphonus seticauda ( Dol.), &c., aeticauda (Dol.), 
p. 395, Ternate, Amboina; nasutus , n. sp., p. 401, Borneo ; id. 
Palaeontology. 
Phrynus marioni, n. sp., Aix, p. 489, pi. xxi, fig. 11 ; Gourret. 
SCOBPIONIDEA. 
Marx, G. On the Organisation of the Scorpionulce. P. Ent. Wash, i, 
pp. 108-112, with figs. 
Saint-R6my, G. Sur la structure des Centres nerveux chez le Scorpion. 
Bull. Soo. Nancy, viii, p. xxix. 
. Sur la structure du cerveau chez le Scorpion et la Scolopeudre- 
Op. cit. ix, p. xxxi. 
Marx (3) gives the following synonymy of Wood’s species — Buthus 
biaculeatus and B. exilicauda are referable to the genus Centrums ; 
B. californicus and carolinianus = C. vittatus (Say) ; B. boreus, puncti- 
palpiSy and spiniger belong to Vcejovis ; B. emarginaticeps and hirsutus to 
Hadrurus ; B. lesueurii to Diplocentrus ; Centrums phcedodactiglus to 
Uroctonus, and Scorpio allenii to Brotheas. 
Buthus raudus , n. sp., p. 377 ; fuloipes, n. sp., p. 378; Icevifrons , n. sp., 
p. 379, S. Africa ; Simon (1). 
Lepreus lunulifer , n. sp., p. 375, S. Africa ; id. t. c. 
Isometrus maculatus (De Geer), synonyms and remarks on distribution, 
p. 81 ; Thorell ; recorded from Tavoy, Moulmein, Rangoon, Andamans, 
Bombay, p. 249, figs. 3 & 4 ; Oates : variatus (Thor.) n. var. papuanus , 
New Guiuea, Cape York, p. 83 ; flavinianus } n. sp., Ajer Mancior (Sumatra), 
p. 85 ; Tiiorell ; shoplandi, n. sp., Palone, Entagaw (Burma), p. 245, 
fig. 7; atomarius (Simon), from Thayetmyo, Tharrawaddy ; varius (C. 
Koch), from Tonasserim to Mandalay, p. 247; phipsoni, n. sp., Tavoy, 
Moulmein, Rangoon, Andamans, Bombay, p. 248, figs. 1 & 2 ; assamensis , 
n. sp., Dhubri (Assam), p. 249, figs. 5 & 6 ; Oates. 
Scorpio ( Pandinus ) indicus (Linn.), syn. afer (Linn.), ad. partem. ; 
cyaneus, reticulatus (C. Koch), Java, p. 88; crassimanus (Becker), 
= P caisar (C. Koch), p. 90 ; Thorell : cavhnanus, n. sp., Kilima- 
Njaro, Umyamuezi, p. 247 ; exitialis , u. sp., Shoa, p. 249 ; dictator , n. sp., 
Psyn. Sc. a/ricanus (Linn.), Fernando-Po, p. 251; remarks on the dis- 
tribution of Sc. roeseli, p. 253 ; ’synoptical table of 6 African species of 
the genus, p. 254 ; Pocock (2). 
The characters of maurus (Linn.) do not appear to be of sufficient 
importance to justify the separation of that species from the genus of 
