THELYPHONIDEA. SCORPION IDEA. 
Arachn. 21 
THELYPHONIDEA. 
Wood-Mason, J. Notes on the Anatomy of the Scorpion Spiders 
( Thelyphonus ). P. A. S. B. 1882, pp. 59 & 60. 
The scent-glands of Thelyphonus are described ; they are placed near 
the anus, and are paired and tubular organs of large size. The secretion 
in which the odour exists is supposed to be protective, and the female is 
more fully protected than the male by a greater development of this 
structure. 
T. Tiiorell, Ann. Mus. Genov, xviii. p. 35, note 1, adopts for the 
Order Thelyphonidea , Cambr., the name Pedipalpi, Latr., dividing it into 
two sub-orders — i. A mblypygi , containing one family, Phrynidce ; ii. Uro- 
pygi, containing two families, llielyphonidce and Nyctalopoidce ; the latter 
= Tartaridce , Cambr. 
SCORPIONIDEA. 
SCORPIONES. 
P. B. Brodie includes fossil Scorpions in his paper, P. Warw. Club, 
1882, pp. 9-19. \_Cf. supra in General Subject.] 
Joyeux-Laffuie, — . Sur l’appareil venimeux et le venin du Scorpion 
(Sc. occitanus). C. R. xcv. pp. 866-869. 
The anatomical structure of the poison apparatus and its mode of 
action in Scorpions is fully detailed. Also the effect of the poison on a 
rabbit, frog, and ant. Its operation appears to be on the nervous system. 
Lanrester, E. Ray. Observations on Scorpions. P. R. S. xxxiii. 
pp. 95-104. [Abstract in J. R. Micr. Soc. (2) ii. p. 774.] 
The author confirms his previous views of the affinity between Limu- 
lus and Scorpions. He also finds an important difference of internal 
anatomy between Scorpions with a triangular and those with a pentagonal 
sternum. 
. Notes on some habits of the Scorpions Androctonus funestus, Ehr., 
and Euscorpius italicus, Roes. J. L. S. xvi. pp. 455-462, woodcuts. 
The Scorpions observed were kept in confinement. Among other 
points noted were, first, that the Scorpion can direct the blow of its 
sting either forwards, backwards, or to the right or left. Secondly, that 
a Scorpion, during the process of suffocation by chloroform, made re- 
peated, apparently aimless, blows with its sting in the straightforward 
direction of the head ; in one of these, the sting entered under the 
projecting margin of the cephalic shield. From this it is concluded that 
the stories of Scorpions under stress of a cincture of red-hot embers 
having pierced themselves, and so caused their own death, are to that 
extent true. The combs are conjectured to be used in effecting copula- 
tion, appearing, however, to be quite devoid of sensation. 
1882. [vol. xix.] c 12 
