776 REPORT OF THE HARVARD AFRICAN EXPEDITION 
posterior of the adjacent shields, bounded posteriorly by three granular scales. Scales of upper 
surface small, granular, larger on the snout; abdominal scales large, imbricate, smooth. Digits 
very unequal, free, fourth longest, first rudimentary; four and five pairs of lamellae under the 
other digits; praeanal pores. Tail tapering, rounded, flattened below, covered above with small 
juxtaposed scales, below with very big, transversely enlarged subcaudals except near tip where 
they are paired to form the sucking apparatus characteristic of the genus. 
Coloration. — Above pale brown, freely mottled with darker brown; hind limbs and body 
near base of tail sprinkled with white; tail with a few pale fawn-colored streaks. Beneath immac- 
ulate pure white. 
Measurements. — Length of head and body, 24; tail, 27; head, 6; hind limb, 11 mm. 
AGAMIDAE 
Agama agama agama Linné 
1 ex. (M.C.Z. 22562) Monrovia. 
3 ex. (M.C.Z. 22563-4) Ghanga. 
7 ex. (M.C.Z. 22565-6) Du River. 
The handsomely colored tree or rock lizard has long been known from Liberia 
and Johnston has an excellent colored plate of it in his work. 
VARANIDAE 
Varanus niloticus (Linné) 
1 ex. (M.C.Z. 22567) Lenga Town, Farmington River. 
1 ex. (M.C.Z. 22568) Ghanga. 
The Nilotic Monitor is a well-known pest to the natives whose chickens and 
eggs it steals. 
LACERTIDAE 
Lacerta echinata Cope 
1 ex. (M.C.Z. 22579) Plantation No. 3, Du River. 
This peculiar arboreal lizard was new to the Museum of Comparative Zoology 
and is rare in collections. 
‘Brought in by the tree-cutters.”’ 
SCINCIDAE 
Mabuya raddoni (Gray) 
1 ex. (M.C.Z. 22589) Ghanga. 
2 ex. (M.C.Z. 22590-1) Paiata, St. Paul’s River. 
10 ex. (M.C.Z. 22592-22601) Plantation No. 3, Du River. 
Mabuya bensonii (Peters) 
1 ex. (M.C.Z. 22580) Bonuta. 
3 ex. (M.C.Z. 22581-3) Monrovia. 
6 ex. (M.C.Z. 22584-8) Gbanga. 
‘While pursuing some of these among some black rocks by a small brook near 
Monrovia, we heard a hollow, faint quacking noise — quek, quek, two or three 
times repeated, apparently by these lizards.” 
