Fig. 1. 
POR WS 
DIPLOPODA. 
PLATE VIII. 
Anterior aspect of copulatory apparatus of Orthoporus striatulus: a, anterior lamina of 
coleopod; 6, extremity of posterior lamina; c, phallopod with funnel-shaped end 
guarding seminal stile s. 
Ditto of Orthoporus chiriquensis. 
” 7 cordovanus. 
” - teapensis. 
» ” amulensis. 
Ligiodesmus pusillus, gen. et sp. n., lateral view: 6a, head and first two tergal plates 
from the front; 6, posterior extremity from behind; 6c, antenna; 6d, phallopods 
from below; 6¢, phallopods viewed from the right side—c, coxal segment, f, femoral 
segment, ext., external laminate branch, int., internal branch ending in seminal stile s. 
. Spheriodesmus robustus, sp. n., lateral view: 7a, head, antenne, and first three tergal 
plates (1, 2, 3) viewed from the front; 7, lateral portions (keels) of the fourth, 
fifth, and sixth tergal plates (4, 5, 6); 7c, lateral view of the last four tergal plates ; 
7d, posterior view of the same (17, 18,19, 20) : 7 e, posterior end of the body viewed 
from below ; 7 /, leg of first pair of male; 74, phallopods viewed in situ from below ; 
7 h, phallopods from the side. 
. Spheriodesmus oniscus, sp. n., lateral view of keels of fourth, fifth, and sixth (4, 5, 6) 
segments: 8 a, phallopods in setu from below; 8 4, external view of phallopod. 
Spheriodesmus prehensor, sp. n., phallopods in situ from below; 9a, lateral view of 
phallopods. 
