512 



pears to me very uncertain whether L. mactans (Fabr.) 1775 ') and 

 L. perfidus Walck. 2 ) belong to the same species as L. curacaviensis ; 

 I should be more inclined to aggregate to it L. variolus Walck. 3 ) 

 which is perhaps the male of Then: verecundum Hentz 4 ) 1850 and 

 Ther. Uneatum id. 5 ); but the habits of these species appear to be 

 somewhat different. 



In the female L. 13-guttatus in my possession, the cephalo- 

 thorax is 4'/, millim., the l:st pair of legs 24, the 2:nd 167 2 , the 

 3:rd 13, the 4:th 22 millim. long. The tibia of the first pair is 

 5 7 2 , the patella 2'/ 4 millim. long, and this tibia is therefore longer 

 than the cephalothorax and more than double as long as the patella. 

 The distance between the two lateral eyes on the same side is rather 

 greater than that between the anterior and posterior centre eyes; 

 the anterior row is slightly curved downwards, its two centre eyes, 

 which are situated on a common protuberance, are separated from 



1) Syst. Ent. , p. 432. — L. mactans is not identical with L. scelio Thoe. 

 and S. Hasseltii Thor. (Aran, nonnulla? Nov. Holl., in Ofvers. af Vet.-Akad. For- 

 handl., XXVII (1870), pp. 369, 370): see L. Koch, Die Arachn. Austral., p. 

 280. — L. KOCH (loc. cit. , p. 278) thinks that L. scelio, of which only the fe- 

 male is known, and L. Hasseltii, of which <J ad. and $ jun. have been de- 

 scribed, belong to one and the same species: if this really be the case, I wish 

 that the species may be called L. Hasseltii. 



2) H. N. d. Ins. Apt., I, p. 647. 



3) Ibid., p. 648. 



4) TJieridium verecttndum. "Deep black, glossy; abdomen with blood-red spots 

 underneath, which sometimes extend above in a chain, and with some waving 

 white lines anteriorly, which are sometimes wanting; feet 1. 4. 2. 3. Male 

 .slender, abdomen with orange and white spots". Hentz, Descr. and fig. of the Aran, 

 of the U. S., in Boston Journ. of Nat. Hist., VI, p. 280, PI. X, figg. 1, 2. 

 The species is said to be very common in North and South Carolina, Georgia, 

 Alabama etc., "under stones, logs, or clods of earth, where it makes a web, the 

 threads of which are so powerful as to arrest the largest hymenopterous insects, 

 such as humble-bees". Of the <5 ad. Hentz says: "It has always been found on 

 the top of weeds in a small web, and never under stones near the females". 



5) Theridium Uneatum. "Cephalothorax blackish; abdomen deep purple, or 

 reddish black, with several diagonal white lines, and a succession of red spots 

 edged with yellow, and sometimes united in the form of a band; a red spot un- 

 derneath also; feet blackish, usually varied with yellow, 1. 4. 2. 3. Male with 

 the same markings". Hentz, loc. cit., p. 281, PI. X, fig. 3. — The male there 

 figured is evidently imperfectly developed, and Hentz himself suspects it may 

 belong to T. verecundum. This form also is very common in North Carolina 

 and Alabama, where it "is usually found under stones , logs, or clods, always near 

 the ground." 



