1921-22.] Myriapods from Mesopotamia and N.W. Persia. 57 
Chamberlin, from the Fijis. Little is known of the former, and its 
geographical distribution makes it highly improbable that the Amara 
specimens should belong to the same species. It is certainly distinct from 
Chamberlin’s erythroceps on account of the shape of its head plate and of its 
last tergite. The author does not state how many of the sternites bear the 
median sulcus, which might lead one to believe that it is to be found on most, 
if not all, of them. 
Pachymerium ferrugineum caucasicum, Attems, 1903. 
7 specimens from “ Amara on Tigris, under clods in garden,” as under : — 
$ with 57 pairs of legs, $ with 55 pairs, $ with 53 pairs (13 ii. 1918) ; 
two ^s with 53 pairs (17 ii. 1918); $ with 55 pairs, ^ with 53 pairs 
(19 ii. 1918). 
One specimen, ^ with 55 pairs of legs, from Amara (2 hi. 1918). 
The difference between P. ferrugineuin and P. caucasicwm. lies essen- 
tially in the presence or absence of longitudinal sulci on the first tergite 
and in the more or less produced maxillipedes. A dissection of an Amara 
specimen with 55 pairs of legs, destitute of such sulci, showed that the 
mouth parts are alike in both forms. Considering, besides, that the sulci 
of the first tergite may occur or be wanting on specimens collected the 
same day on the same spot, it has seemed advisable to reduce Attems’ 
species to the rank of a subspecies of fe7Tugineum. 
Scolopendra valida, Lucas, 1839. 
A specimen from ‘‘ Jebel Hamrin, near Ruz, N.E. of Baghdad, under 
rock, — XL 1918.” 
Tr achy cor mocepkalus mirabilis (Porat, 1876). 
“ Amara on Tigris, in courtyard ” ; an immature specimen (19 xii. 1917) ; 
and a full-grown specimen ( — ii. 1918). 
'' Amara on Tigris, under clod” ; three immature specimens (14 ii. 1918). 
Adult specimens show no sulci on the first tergite ; but immature ones 
may occasionally bear traces of it. Such sulci, when found on adult 
Scolopendrids, might therefore be held as persisting larval structures. 
Cryptops, sp. ?. 
Two specimens, the legs of which are partly missing, could not be 
identified. 
“Amara on Tigris, under clods in garden” (17 ii. 1918 and 2 iii. 1918). 
