1926] Schmitt, Crustaceans Collected by the Congo Expedition 4] 
il i 
¥ 
Wy 
Begs 
Lepy 
ZA 
Fs, / 
i 
i 
iS Bis 
i 
Fig. 66. Pontonia tyrrhena (Petagna), from St. Paul de Loanda. Female, 
A, lateral view of rostral region, X 2.5; B, antennule, X 4.7; C, antennal scale and peduncle, 
4.7, 
D-I, mouth-parts, X 7: D, mandible; £, first maxilla; F, second maxilla; G, first maxilliped; H, 
second maxilliped; J, third maxilliped. : i 
, inner face of chela of first left leg, X 2.1; K, same of first right leg, X 2.1; Z, second right leg, 
J 
< 4.7; M, same, inner face of chela, X 4.7; N, dactyl of third right leg, X 25; O, dorsal view of telson, 
X 6.8. 
also the lateral rostral view is given, is perhaps a little unusual. The 
rostrum carries ventrally a small tooth near the tip. Strange to say, the 
specimen figured by Gueérin (loc. cit.) seems to show a similar 
peculiarity. His figure (loc. cit.) has a small lobule on the under side of 
