1916. Br\T)e AND BiRKS—/mA Ckt'/opoifs. 133 
Lithohius microps Meinert, Natiirh. Tidsskr. v. p. 265. 
Apart from other collections in Copenhagen {Rosenberg Collection, 
Dr. Bergs :>e, and the Botanical Collection) the Museum also contains 
this form from several places in Spain : Menjibar, Seville, and Granada. 
The colour is a fine yellow, but anteriorly and posteriorly the dorsal 
plates are darker in many cases. The ventral plates are lighter and the 
legs pale yellow. 
Sculpture and hairiness wanting. 
The segments of the antennae are for the most part very short, but 
these short segments are irregularly distributed among the others. The 
last segment is usually very long and equal in length to the three previous 
ones. 
Ocelli are always very small and lie so closely together in one straight 
line that it is impossible to separate them ; the hindermost ocellus is 
often .smaller than the others, the exact opposite of the usual arrangement 
in Lithobiids. 
The two terminal claws of the anal-limbs are often completely wanting. 
Limb-armatures are very variable, so that one individual rnay only 
have one very short spine on the last joint of one anal-limb while the 
anal-limb of the other side may have single spines on the two following 
joints as well ; the same individual may have absolutely no spines on 
the penultimate limb. 
The female genital claws are very broad, deeply divided into three 
parts. The spines are very distinct, generally bristle-like, the inner ones 
are more than half the size of the outer ones.^ 
LilJiohiits boreal is Meinert. 
(1868. Naturh. Tidsskr., v. p. 265). 
Brown or chestnut, with ventral plates and limbs lighter, not very 
robust, anteriorly fairly smooth, posteriorly weakly rugose, very sparsely 
haired, with a subcordiform head slightly broader than long. Antennae 
short or fairly long 32-33 jointed. Ocelli 6-8 arranged in 2-3 rows. Coxae 
of the maxillipedes armed with 4 teeth. ^ Dorsal plates 11 & 13 with 
produced angles. Coxal pores 3, 3, 3, 2-3, 4, 4, 3, small or very small, 
circular. Armature of the first pair of limbs i, i, i ; — i, 2, i. Anal 
lirnbs with double claw, armature i, 3, i, o ; — i, 3, 2, o. The first article 
of the anal limbs unarmed. Last limbs short, fairly incras.sate. Female 
genitalia with a tripartite claw. Length lomm. (Mein., 1872.)^ 
Syn. 1872 : Lithohius borealis, Mein., Nat. Tidsskr., viii., p. 322. 
1873 : Lithohius borealis, Stuxb., Oefvers. Vet. Ah. L'orh., p. 73. 
1877 : Lithohius horealis, Fedrizzi, Atti d. Soc.-Ven. -Trent. 
v. p. 223. 
(') Rough translation from the Danish original, 
(i) {i.e., 2+2— H.K.B. et S.G.B.) 
(^) Original in Latin, 
